Note: Descriptions are shown in the official language in which they were submitted.
20~7'~9;~
Cooking PQt
Specification
The invention relates to n cooking pot, in particular to a
pressre cooker, in essence comprising a pot-shaped container and
a lid, exhibiting, e g a sealing ring, for the purpose of
sealing, especially pressure-tight, the container, where the
container has a peripheral pot rim that is bent down outwardly
and that, when operating a control knob that can be moved on the
lid in the closing direction, is grasped by peripheral claws that
are bent inwardly towards the bottom and provided at locking
segments that can be moved at the lid e~-entially parallel to the
plane o~ the pot rim, whereas pre~erably an inner section of the
locking segments is braced against one region o~ the lid, and
said pot rim is released again by the p~ripheral claws when the
control knob i5 moved in the opening direction
Such a cooking pot designed as a pressure cooker is known from
the ~P~ 139 772, where in essence aid pot compri~e~ a bottom
pot and a lid unit closing the bottom pot The bottom pot has a
smooth peripheral pot rim The lid unit comprises a bottom lid
and an upper lid The latter is designed as a closing element,
whose ~langes can grasp thc pot ri~ in the closing position To
this end the upper lid exhibits two half lids; each of the half
lids csn be rotated relative to the bottom lid and to the bottom
pot around an axis of rotation, which is essentially parallel to
the vertical geometric center axis of the pot; and~the axes o~
rotation are opposite each other and lie eccentrically relative
to the~centor axis o~ the pot and with respect to this center
axi~ diametrically in a~rotary part that can be rotated in the
center of the bottom lid To open and close the lid manually o~
such a pressure cooker it is n-cessary to xert pres~ure on the
lid unit and simultaneously ~et the control knob into a rotary
motion This m~kes th- operAtion r~lati~ely inconvenient
Pressure cookers are ususlly equipped with socalled ov-r pressure
relief valves, which open when a speci~ied pressure within the
pot is reached and thus the risk of the cooking pot bursting or
:
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t lid unit jumping o~f of t~e bottom pot is prevented How~ver,
it is desirablc to guarantee an even gre~ter protection against
~ursting
Starting from this point, the object o~ the present invention i5
to propose a cooking pot that eliminates the drawbacks of the
prior art and allows said cooking pot to be opened and closed
with greater ease Furthermore, the possibility for greater
protection against bursting should exist
This problem with a cooking pot of the aforementioned kind is
solved according to thr invention in that th- control knob can
be moved axially on the lid; th~t, when the control knob i~
moved axially, e g when pressure is applied, in th- closing
direction, the locking segments with the p~ripheraI claws are
pulled radially towards the inside in the locking position; and
that, when the control knob is moved axially in the opening
direction, the locking ~egments with the peripheral claw5 are
moved again radially in the outward direction into the unlocking
position Thus, it i5 guaranteed that to lock the lid on the
container one need only to press by hand on the control knob The
resulting axial movement i~ converted according to the inventive
idea into a radisl locking movement of the locking segments To
unlock, the control knob is moved axially in the opposite
direction
permanently reliable function of the locking mechanism can be
actualized with a simp1e construction, ~or example, in that the
control knob can be moved at a guid- knob that i 5 attached
ststionarily to the lid and arranged coaxially to the center axi~
of the lid
The conversion of the axial movement of the control knob into the
desired radial movement o~ th- locking egment-, ~n particular
wh-n locking the lid o~ the cooking pot, is achi-ved in a
pre~erred embodiment of the invention in that the radially inn-r
end of the locking segments exhibits an operating section that
extends axially away from the lid snd slopes in the radial
direction inwardly in the direction of the guide knob and that
proiects into the axial path of motion of the control knob When
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pr .sing on the control knob, its bottom rim automatically
engages with the operating sections of the locking segments,
wher~upon th~ lockin~ ~gments are pulled lnwardly owlng to th-
slope which the operating sections exhibit. When moving the
control knob in the opposite direction, thus in tho opening
direction, the locking segments can move again radially towards
the outside and release again the lid, which in the locking
position of the locking segments is clamped between the rim of
the pot and the locking segments.
lt i~ possible to operate the lockin~ mechanism with ease of
motion, especialy when the operating sections and the control
knob interact with faciny, e.g. inclined guide sur~aces.
When the control knob i5 moved away ~rom the lid, thus, in the
opening direction~ the locking segments are automatically guided
by the control knob into their radially external unlocking
position releasing the lid, when the operating sections o~ the
locking segments exhibit on both ~ide~ sloped guide surfaces that
interact with the correspondingly sloped guide surfaces o~ the
control knob.
Said guide surfaces can be actualized in a imple manner
especially when the operating sections project into a slot of the
control knob.
The control knob is braced at the lid pre~erably with at least
one pressure spring acting in the opening direction, so that when
the control knob is released from its closing position, it is
automatically guided again into its upper opening po~ition and
thus~the locking segments are also auto~atically conveyed gain
into~their radially external unlocking position.
Furthermore, the control knob i~ conveyed preferably out o~ it~
opening position by axial pressure into a lockabl- and unlockable
closing position on the lid.
~:
To open the cooking pot, the control knob can be li~ted out o~
the locking position, e.g. by pressing again on the control knob
in the locking position, whereby said control knob i5 pressed
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5~ Jhtly beyond it5 ~topping point in the direction of the lid
Such pressure mechanisms are well-kno~n, e g in the field of
ball point pen5.
The reliability of the function of the cooking pot sccording to
the invention in coniunction with ease of operation can be
further improved in that the locking segments are guided
slidingly and~or rollingly at the lid
Thus, the lid can e~hibit guide grooves for the locking
segments, where the guide grooves can also be designed in such a
manner that thc locking ~egment~ can be moved radially at the
lid, but cannot be completely detached from said lid The lid and
the locking 6egments form in thi~ m~nner a structural unit that
is simply more manipulable
A high degree of safety o~ the cnoking pot i5 guaranteed if in
another embodiment of the inventive idea the peripheral claws of
the locking segments are designed as circular segm-nts and in
this shape reach as far as possible under the rim of the pot in
the locking position Thu-, a relAtively great amount of
deformation work must be performed before the locking segments
can detach themselves from the rim of the pot
For the purpose of a uniform and reliable fit of the lid, it is
especially advantageous if at least three or more locking
segments are distributed over the circumference of the lid, so
that the lid is held at the rim of the pot virtually uniformly
over its circumference in the closing position
Optimal safety can be obtained if the peripheral claws complement
one another essentially over the entire circumf-rence of the lid
The locking segm-nt- can con~i~t, for e~ample, of spring ~teel at
lea-t reqion-by-region~
Therefore, technically and functionally it i 5 advantageous if the
locking segments consist of a bracket member and the peripheral
claw that are separate parts connected together by means of a
jointed flange or spot connection, where preferably the bracket
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m~ ~er consists of sprirl~ wire and the peripheral claw of a rigid
U-shape.
To increase thc safety of the coo~ing pot against bursting, the
invention proposes that an anti-bursting element is arranged
between at least one of the locking segments and the lid. Of
course~ such an additional anti-bursting safety can also be
provided for other kindc of cooking pots, so that in case of a
possible blocking of the safety valve that is generally provided,
the lid can become slightly leaky between the rim of the pot and
the rim of the lid, preferably over the entire circumference when
in the closed state of the cooking pot the internal pres~ure of
the pot is excessive. The release of the steam to reduce the
pressure can be delayed in time by the dimension of the
anti-bursting elements, so that the steam is not released too
suddenly. The slight leakiness is achieved in that the lid can
rise to a limited degree with its seal from the rim of the pot
owing to the design and operating mode of the anti-bursting
elements, but the locking ele0ents with their peripheral claws
remain functional.
This can occur in a simple manner, for example~ in that with an
excessive pressure load on the lid the anti-bursting element i5
deformed reversi bl y or irreversibly and sllows a specified axial
move0ent of the lid with its sealing ring relative to the rim of
the pot.
The anti-bursting element can be formed preferably by A locking
segment itself designed at least region-wise as a resilient
element.
~referably the anti-bursting element is designed as a deformable
stamping of a locking segment, which is braced at the lid.
Yet in another simple embodiment of the invention the lid can
also brace it~elf at one or more of the locking segments by m-an~
of at lea~t one hollow body that i6, far e~ample, roller-shaped
or a resilient element, e.g. a helical or leaf-shaped spring.
The roller-shaped hollow bodies that can be compressed under
raised internal pressure of the container and are provided
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be ,een locking segments and lid as anti-bursting element~ serve
simultaneously to reduce the frictional forces of the locking
segments wi~h respect to the lid when closin~ and opening the
locking mechanism
To give the cooking pot of the invention an attractive external
appearance, the upper lid can iut over the lid and the locking
segment6 in such a manner that the locking mechanism and the
radially moveable locking segments are largely covered
In this case it is especially expedient i~ the upper lid is
connected to the control knob and thus can move together with the
control knob axially with respect to the lid In the opening
position of the control knob, the upper lid is spaced relatively
far apart from the lid and the locking segments, so that under
flowing water a simp1e cleaning of the lid unit is possible When
rlosing, the upper lid drops over the segments and the lid, 50
that besides the shielding effect against the penetration o~
contaminants into the locking mechanism, the closlng position of
the lid is easy to recognize
In another special embodiment of the invention the locking
segment exhibits a curved intermediate section from which
lateral extensions project sloping in the direction of the plane
of the lid and to which the respective peripheral claw is
attached Like the operating section, the curved intermediate
section and the extensions can ôe bent from spring steel wire In
this manner the locking segment forms in a simple manner an
anti-bursting element~
Within the scope of the invention it is also possible that,
~instead of the guide surfaces of the control knob and the locking
segments interacting, the axial motion of the control knob is
converted into a rotary motlon of a link disk, stating from which
the locking segments are s-t into op-ning and closing motion via
connecting 1-9-
For pressure cookers it is especially important that the sealingring always has a reliable seat on the rim of th- lid This state
can be actualized within the framework of the invention in an
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a~ .ntage~us m~nner i n that the seAling ring i 5 held by toroidal
and/or nub-shaped elements at the rim of the lid. The sealing
ring can be pre~sed into ~ circùmf-r~ntial groove of the lid by
means of a torus, which is provided optionally with a clamping
ring. With such a ring it can also be clamped into suitably
shaped holding members on the rim of the lid. With nubs
distributed over the circumference of the lid, the sealing ring
can be snapped into the lid. The nubs li- outside a sealing lip,
with which the sealing ring abuts the inner surface of the lid.
To improve the sealing function, the sealing ring can also be
in~erted with an arch provided at a sealing lip into a peripheral
bead of the rim of the pot.
Other goals, features, advantages and po~sible applications of
the present invention follow from the following description of
the embodiments with the aid of the drawings. All described
and~or illustrated features form by themselves or in any logical
combination the subject matter of the present invention, even
independently of their summary in the claims or their reference.
Figure 1 is a diagrammatic, vertical view of a cooking pot
exhibiting the invention in the unlocked state.
Figure 2 is a sectional view of the cooking pot according to
Figure 1 in the locked state.
Figure 3 i5 a half top view along line A of Figure 1 and a half
top view along line B of Figure 2.
Figure 4 i 5 a sectional view along line C-C of Figure 2.
Figure 5 is a sectional view alonq line D-D of Figure 3.
Figure ~ is a sectional view alonq line E-E of Figure 3.
Figure 7 is a sectional view alnng line F-F of Fiqure 3.
Figure B is a vertical view in the region of the lid of another
embodiment of the inventian in the locked state.
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Figure q is a ~ectional view along line C-D of Figure ~ in the
region o~ thr combination compri~ing control knob and Quidr knrb
and serving as a handle.
Figure 10 i5 a section~l view along line E-F of Figure ~.
Figure 11 is a view Y of Figure 10.
Figure 12 is a vertical view in the region of the lid, partially
cut away, of still another embodiment of the invention in the
unlocked state.
Figure 1~ is a top view of the lid of Figùre 12 with locking
segments, as seen frDm the direction XIlI.
Figures 14a and 14b are fragmentary views of the lid of Figure
1~, seen from direction XIv, and in particular in the normal
state (Figure 14a) and in the anti-bursting state ~Figure 14b).
Fiqure~ 15a ~nd 15b are vertical views of the lid of Figur-~ 14a
and 14b along the line Xva-XVa or Xvb-Xvb.
Figure 16 is a top view of the locking element without peripheral
claw for the lid according to Figures 12 to 15.
Figures 17a and 17b are inclined views and side views of another
bracket ember of a locking segment of the invention.
Figure 18 shows a bracket member according to Figures 17a snd 17b
with the two assigned peripheral claws.
Figure 1~ i5 a sehematic view of another possibility for
operating the peripheraI claws.
Figure~ 20 to 22 are partl~l Vi-W5 0~ the lid and the rim of the
pot in order to illustrate various ~ealing rings acc~rding to the
invention.
According to Figure 1, a lid 3, provided with a sealing ring 4,
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i 5 ~1 ac~d on a cont~i ner 1 equipped wi th a pot rim 2 and designed
as a pot. T~e pot rim 2 is designed as a pouring rim with an
internal p~ripheral bead 33, an outwardly adjoining, essentially
planar sealing surface 34 that is vertical to the center axis M,
and a rim section 35 that is attached externally to said sealing
surf~ce and i5 bent towards the bottom slopinyly? where the
latter 4acilitates the centering of the lid ~, which exhibits a
rim flange 42 that is bent first towards the bottom and then
towards the outside and has an inclined face 36 ~t the same time
the sealing ring 4 of the sealinq lip ~7 rests on the sealing
surface 34 of the pot rim 2
Several, pre~erably 40ur locking segments 5 that are uniformly
distributed over the circumference o4 the lid rest on lid 3 and
are guide along said rim The outer end of the locking segments S
has ~ downwardly and inwardly bent peripheral claw 6, which i5
dimensioned in such a manner that in the locking position shown
in Figure 2, said claw reaches under the pot rim 2 when lid 3 is
clamped between the locking segments 5 and pot rim 2 and, thus,
fastens the lid ~ by means of the sealing rings 4 50 as to be
pressure-tight at container 1 ~t the same time lid 3 with -
region 28, located in the vicinity of its rim, i9 braced against
an external section 27 of the locking segments 5
A guide knob 16, where a control knob 14 can be moved axially,
is fastened to lid 3~ ~s soon as the control knob 14 has reached
i~s bottom closing position with respect to the stationary guide
knob 16 by pressing in the direction D from the top on the
control knob 14, as shown in Figure 2 When the control knob 14
i5 trans4erred 4rom its upper opening position into its bottom
closing posi tion, the locking segments 5 are pulled inwardly into
the locking position owing to the interacting sloped guide
surfaces 29, 30; in said loeking position the inwardly bent
sections of the locking claws 6 reach under the pot rim 2 50 as
to lock it while pressing the sealing lip 37 o~ lid 3 aoainst the
sealing sur4ace 34 In the closing posltion the upper 4aee- of
the control knob 14 and the guide knob 1~ align, making the
closing position visible and the control knob 14 is stopped by
means of ~ sliding bolt 1~ with respect to the guide knob 16 The
upper end o~ the sliding bolt 19 extended longitudinally in the
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a~ al direction has a bolt 20 which points outwardly in the
r~dàal direction and projects into a recess o~ an ins~rt 2~
permanently attached to the control knob 14, wherein thc sliding
bolt 1~ with insert 23 and thus also with the control knob 14 can
be moved Insert 23 is provided to make it easier to assemble the
control knob 14 and guide knob 16 At the bottom end of the
sliding bolt 19 another bolt 21 projects inwardly in the radial
direction into a groove guide 22 that is known, e g , from ball
point pens and defines both the opening position ~Figure 1) and
the closing position (Figure 2) of the control knob 14 and
determines these two end positions If the closing mechanism is
to be released, pressing again in direction D on the control knob
14 suffices, and bolt 21 unlocks itself from the groove guid- 22,
so that the control knob ~4 with it~ inner part 17 is pressed
again into the opening position, counter to the direction of
arrow D, by means of a pressure spring 18 braced at lid 3,
whereby the lockinq segments 5 move again into their radially
external opening position, counter to the direction of motion ~,
by means of the slot guide of the operating sections 7
It is appar-nt from Figure 3 that in the top view the locking
segments 5 exhibit radial legs, on whose radially external ends
the peripheral claws hav- the shape of circular ring segments
If, for example, four such locking segments S are provided at
angular intervals of 90, of which onlv two are shown in Figure
3, the peripheral claws ~ virtually occupy the entire
circumference of lid 3 and thus the pot rim 2, except for a
51 i ght gaps
As especially apparent from Figures 1 and 2 and the view o~
Figure 6, anti-bursting e}ements 12 designed as roller-shaped
hollow bodies 15 are located in the vicinity of the pot rim 2
between aections 27 of the locking segment~ 5 and the regions 7e
of lid ~ The anti-bur-ting elem-nts 12 ar- caught between a
rsised edge of lid ~ in who~e inn-r qroove the sealing ring 4 is
clamped and a recess of the bottom side of the respectlve lockinq
segment S Thus, the radial movement of the locking segments S
relative to lid 3 occurs in part slidingly and in part rollingly,
a state that facilitates the operation The pressure under which
the hollow bodies`15 bend can be readily determined by the wall
, ' .
2067~9~
th _kness and length of the roller-shaped hollow bodie~ g If the
excess pressure, which can deform or dent the hollow bodies 15,
becomes unallowable in the cooking pot, lid 3 with the 6ealing
ring 4 can be lifted slightly from the top from the flat sealing
surface 34 relative to the locking segments 5, whereby a
desired pressure release takes place and the cooking pot is
prevented from bursting
As apparent from Figure 7, the anti-bursting elements 12 can al50
he designed a stampings 24 of the locking segments 5, which in
this case are made pre~erably o~ superrefined stecl plate Baséd
on the wall thickness of the locking egment~ S ln the region of
the stampings 24 and their length, the pressure in turn can be
determined, ~rom which lid 3 with sealing ring 4 can move
slightly axially relative to the locking segments 5 while
de40rming stampinqs 24, in order to relieve the pressure by means
of the slight leakines~ over the entire pot rim 2~
~s apparent from Figures 1 and 2, the upper expanded knob region
of the guide knob 16 has a depression 40, in which B pressure
and~or temperature indicator can be provided To this end, the
guide knob 16 i5 also connected preferably thermoconductively to
lid 3 by means of a guide and holding rod enveloped by a collar
3~ of lid ~
As also best seen ~rom Figures 1 and 2, an upper lid 25 juts over
lid 3 with the locking segments S The upper lid 25 is connected
to the control knob 14 nd, there~ore, also moves with it
axially In the opening position shown in Figure 1, upper lid 25
i6 spaced rel~tively far ~rom lid 3, so that the entire lid unit
- also the moveable parts - can be easily cleaned and dried In
the closing position according to Figure 2, the upper lid 25
rests with it~ entire outer circum4-rence in the edge region o~
the locking s-gment~ 51 wher-as a downwardly b-nt edge 41ange 41
extending over the entire circum~erence enclosea th- unit
comprising lid ~ and locking segments 5 over a part o4 their
height
As apparont from the sectional view o4 Figure S, a conventional
cooking valve ~aroma valve~ 10 and at least one conventional over
11
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pr~_sure relie~ valve 11 can be mounted on lid 3 The cooking
valve 10 can be operated by means of a pu~h rod 2~ guided axially
in the control knob 14 in order to r~lea~r ~h~ pre~sure, a~
desired, ~rom inside the pot A ring-shaped guard of both valves
10, 11 against 50i 1 i ng due to the product to be cooked i 5
attached to the bottom end of the section o~ the guide and
holding rod Df the guide knob 16 that projects through lid
The embodiment shown in Figure ~ di~fers ~rom the embodiment
explained ebove essentially due to a somewhat different shape o~
the control knob 14 interacting with the guide knob 1~ and the
operating sections 7 of the locking segments 5 and the bracing of
the operating segments 5 at their outer end by means of resilient
elements 41, which are designed as helical springs and which
a~sume the ~unction of the anti-bursting elements 12, which
remain operational even after a maximum internal pressure has
been exceeded in the pot In this embodiment the upper lid 25 can
be readily installed and replaced between two nuts 43 screwed on
the outer circumference o~ the control knob 14
~5 al~o apparent from Figure e, the ~liding of the locking
segments 5 at lid 3 can be guaranteed by a high temperature
resistant, disk-shaped element 44, whereby the frictional force
that becomes ef~ective between the locking segments 5 and lid 3
is 50 low that it can be readily overcome by the pressure springs
18 acting as return springs
Figure 9 shows how the control knob 14 can be braced at l~id 3 by
means of several pressure spring~ 18 The control knob 14 is
locked relative to the guide knob 1~ both in the upper opening
position ~Figure 10) and in the bottom closing position (Figure
9) as in the first embodiment by means of a groove-pin mechanism
22, 42, as shown in Figure lI and as is well-known ~rom the field
of ball point pens This locking limits the path of the control
knob 14 relative to the fitationary guide knob 16 upward agaln~t
the effect of the presfiure ~prings 18 and holds the control knob
14 securely in its bottom closing position, as shown in Figure 9,
until pressure is applied again on the control knob 14 from the
top and the lock i 5 released
- `: ,
' . '
2~7'~9~
~n _he embodiment of the lid shown in Fi~ures 12 to lb, the
locking segments S comprise a bracket member 5 with operating
section 7 and peripheral claw 6 as separate parts. They are
cDnnected together by means of a bead with a holding section 45,
which is bent out of the external wall of the peripheral claw 6.
The bracket member 5 consists of ~ spring wire, which ic bent
into a central U-shaped section, to whose two legs wing-shaped
extensions 47 are attached outwardly in the circumferential
direction ~Figure 16~. ~5 especially apparent from Figure 14a,
the extension~ 47 are slightly bent from the horizontal plane, 50
that lid 3 with sealing rin~ 4 can rise from the pot rim 2
relative to the peripheral claws 6 when a predetermined excess
pressure is exceeded within the pot; and a circumferential gap
opens to reduce the pressure. Thus, the bracket member S acts as
an anti-bursting element. The peripheral claw 6 consists of a
rigid U pro~ile, which normally guarantees a pressure-tight
locking of lid 3~with respect to the pot rim 2 and holds lid 3
securely on pot rim 2 even if there is a need to safeguard
against bursting, even though the pressure is reduced.
Figures 17a to 18 show a bracket member 5 accordinq to a
different embodiment~ which is also designed as a resilient
anti-bursting element f~r lid 3 owing to its shape. The spring
force vertical to the plane of the lid is generated by a curved
intermediate section 48 to which the extensions 47, sloped
relative to the plane of the lid, are attached, as shown the best
in Figure 17b.
Figure 19 shows an embodiment, according to which the axial
movement of the control knob is converted into a rotary movement
of a link disk 49, in order to sccomplish with connecting legs 50
the displacement of the peripheral claws 6 from the opening
position into the locking position and vice v-rsa.
Figures 20 to 22 show vsriou~ embodiments of the ~ealing rinq 4.
~ccording to Figure 20, the sesling ring 4 has a torus 51 with an
outer circumferential surface that is essentially circularly
cylindrical, in order to be accommodated by clamping in suitably
shaped~ curved straps S2 of the lid rim. Two sealing lips 37
project inwardly from the torus 51, in order, on the one hand, to
13
2~67~9~
be araced against the inner ~urf ACe of lid 3 and, on the other
hand, against the sealing surface 34 This i5 accomplished in
such ~ m~nner that a5 the internal pre-~ure o~ the pot ri s-~ the
sealing force increR~es The sealing ring 4, according to Figure
21, can be snapped into the lid rim by means of nubs 53
distributed over the circumference The upper sealing lip 37
rests on the inner surface of lid 3 The bottom sealing lip 37
has an arch 54, with which it is inserted into bead 33 of the pot
rim 2 The sealing ring 4, according to Figure 22, has an upper
torus SS, which is pressed into a circumferential groove S7 of
lid 3 by means of a clamping ring 56 In the region of the bottom
sealing lip 37, this sealing ring 4 is designcd in a manner
analogous to that according to Figure 21
2~6749~
Li ~ _ of ref erence numeral 5
contai ner
2 pot rim
3 lid
4 sealing ring
locking segments
5' bracket member
6 peripheral claws
7 operating sections
8 guide grooves
9 ring
aroma valve
11 over pressure relief valve
12 anti-bursting element
~3 slot
14 control knob
roller-shaped hollow bodies
16 guide knob
17 inner part
18 pressure springs
19 sliding bolt
bolt
21 bolt
22 groove guide
23 insert
24 stamping
upper lid
26 push rod
27 ~section
28 region
29 guide surface
~ guide sur~ac-
3I guide ur~ac-
32 guid- sur~ace
33 bead
34 sealing sur~ace
35~ rim section
36 ~ace
37 sealing lip
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3t collar
39 ring groove
depression
41 resilient elements
42 pin
4~ nuts
44 element
4S holding section
46 section
47 extensions
4~ intermediate section
49 link disk
connecting leg
51 torus
52 strap
5~ nubs
54 arch
tQrus
56 clamping ring
M center axi 5
