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(12) Patent: | (11) CA 1264216 |
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(21) Application Number: | 1264216 |
(54) English Title: | PROCESS AND DEVICE FOR CONNECTING TOGETHER BY HEATED- TOOL BUTT-WELDING A VESSEL BODY OBTAINED BY EXTRUSION AND A VESSEL LID |
(54) French Title: | METHODE ET DISPOSITIF DE RACCORDEMENT PAR SOUDAGE ABOUTE A L'OUTIL CHAUFFE, DU CORPS EXTRUDE D'UN CONTENANT ET DE SON COUVERCLE |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | GOWLING WLG (CANADA) LLP |
(74) Associate agent: | |
(45) Issued: | 1990-01-09 |
(22) Filed Date: | 1986-07-16 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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ABSTRACT
Process and device for connecting together an extruded plastic
cylindrical vessel body (2) with a plastic lid (1) by means of butt-
welding of edges (4.5) heated with a heated plate (12) the said lid
being deformed elastically to a larger diameter prior to butt-welding,
the device for expanding the lid (1) having a conical expansion element
(9), a supporting ring (10) and locking elements (11) holding the
expanded lid at a diameter corresponding to the edge diameter of the
body (2).
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Time Limit for Reversal Expired | 2003-01-09 |
Letter Sent | 2002-01-09 |
Inactive: Entity size changed | 2000-01-07 |
Letter Sent | 1999-08-12 |
Letter Sent | 1999-08-12 |
Inactive: Multiple transfers | 1999-05-10 |
Grant by Issuance | 1990-01-09 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Reversal of deemed expiry | 1999-01-11 | 1998-01-05 | |
MF (category 1, 8th anniv.) - small | 1998-01-20 | 1998-01-05 | |
MF (category 1, 9th anniv.) - small | 1999-01-11 | 1998-12-15 | |
Reversal of deemed expiry | 1999-01-11 | 1998-12-15 | |
Registration of a document | 1999-05-10 | ||
MF (category 1, 10th anniv.) - standard | 2000-01-10 | 1999-12-16 | |
MF (category 1, 11th anniv.) - standard | 2001-01-09 | 2001-01-09 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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KONINKLIJKE EMBALLAGE INDUSTRIE VAN LEER N.V. |
Past Owners on Record |
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BERNARD JOHAN DE LOOS |
EDWARD JAMES FARRINGTON |
GERRIT JAN VAN KEIMPEMA |