Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:
(12) Patent: | (11) CA 2417847 |
---|---|
(54) English Title: | PLASTIC CARTRIDGE CASE AND DEVICE FOR THE PRODUCTION THEREOF |
(54) French Title: | DOUILLE DE CARTOUCHE EN PLASTIQUE ET DISPOSITIF SERVANT A SA FABRICATION |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : |
|
(71) Applicants : |
|
(74) Agent: | SMART & BIGGAR LP |
(74) Associate agent: | |
(45) Issued: | 2005-12-06 |
(86) PCT Filing Date: | 2002-05-15 |
(87) Open to Public Inspection: | 2002-11-21 |
Examination requested: | 2003-06-12 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | Yes |
---|---|
(86) PCT Filing Number: | PCT/RU2002/000232 |
(87) International Publication Number: | RU2002000232 |
(85) National Entry: | 2003-01-29 |
(30) Application Priority Data: | ||||||
---|---|---|---|---|---|---|
|
The present invention generally relates to small arms technology and, more
particularly, is
concerned with hunting and sporting cartridges having plastic cases.
The objective of the invention is increasing of the ballistic data and
structural strength of the
product with low price of its manufacturing.
This problem is solved by supplying of the plastic cartridge case in the shape
of thin-walled
cup of cylindrical external surface and internal surface comprising three
conical portions of
length and taper increasing from the bottom having the opening for the primer
with a
dam-diaphragm separating the cartridge case part and the part for the primer
installation. The
dam-diaphragm thickness is selected within the range of 0,2 - 0,5 mm.
The device for manufacturing of the plastic cartridge case contains a mold
performed of a
matrix forming the external surface of the cartridge case, a halfmatrix with
conical casting
opening which forms the cup bottom and a punch forming the internal surface of
the cartridge
case. On the halfmatrix is a cylindrical hollow pin forming a closed primer
opening. The
cylindrical hollow pin together with the punch form a ring spree.
Cette invention se rapporte au domaine de l'armement et concerne des douilles de cartouches en plastique utilisées pour la chasse et le sport. Cette invention vise à améliorer les propriétés balistiques et la résistance de l'article ainsi qu'à réduire son coût de fabrication. La douille de cartouche en plastique de la présente invention se présente sous la forme d'un cylindre à parois minces pourvu d'une paroi cylindrique externe et d'une paroi interne définissant trois parties coniques dont l'étendue et la conicité augmentent lorsqu'on s'éloigne du fond du cylindre. Le fond du cylindre comporte un orifice d'amorce de mise à feu. Cette douille de cartouche en plastique comprend également une cloison à paroi mince qui sépare la cavité du cylindre de la cavité de l'amorce de mise à feu. L'épaisseur de la cloison-diaphragme est comprise entre environ 0,2 et 0,5 mm. Le dispositif servant à fabriquer cette douille de cartouche en plastique comprend un moule en forme de matrice définissant la surface externe de la douille, une demi-matrice pourvue d'un orifice de remplissage conique et formant le fond du cylindre, et un poinçon, définissant la surface interne de la douille. Cette demi-matrice est pourvue d'un doigt cylindrique creux définissant un orifice d'amorce de mise à feu borgne et formant conjointement avec le poinçon une buse annulaire d'injection.
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.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee and Payment History should be consulted.
Description | Date |
---|---|
Time Limit for Reversal Expired | 2012-05-15 |
Letter Sent | 2011-05-16 |
Inactive: Late MF processed | 2006-08-25 |
Letter Sent | 2006-05-15 |
Grant by Issuance | 2005-12-06 |
Inactive: Cover page published | 2005-12-05 |
Pre-grant | 2005-09-15 |
Inactive: Final fee received | 2005-09-15 |
Notice of Allowance is Issued | 2005-07-26 |
Letter Sent | 2005-07-26 |
Notice of Allowance is Issued | 2005-07-26 |
Inactive: Approved for allowance (AFA) | 2005-06-15 |
Letter Sent | 2003-07-09 |
Letter Sent | 2003-07-04 |
Request for Examination Requirements Determined Compliant | 2003-06-12 |
All Requirements for Examination Determined Compliant | 2003-06-12 |
Request for Examination Received | 2003-06-12 |
Request for Examination Received | 2003-05-07 |
Inactive: Single transfer | 2003-05-07 |
Inactive: Cover page published | 2003-04-24 |
Inactive: Inventor deleted | 2003-04-22 |
Inactive: Notice - National entry - No RFE | 2003-04-22 |
Inactive: First IPC assigned | 2003-04-22 |
Inactive: Inventor deleted | 2003-04-22 |
Inactive: Inventor deleted | 2003-04-22 |
Application Received - PCT | 2003-03-03 |
National Entry Requirements Determined Compliant | 2003-01-29 |
Application Published (Open to Public Inspection) | 2002-11-21 |
There is no abandonment history.
The last payment was received on 2005-05-12
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
---|---|---|---|
Basic national fee - standard | 2003-01-29 | ||
Request for examination - standard | 2003-05-07 | ||
Registration of a document | 2003-05-07 | ||
MF (application, 2nd anniv.) - standard | 02 | 2004-05-17 | 2004-02-16 |
MF (application, 3rd anniv.) - standard | 03 | 2005-05-16 | 2005-05-12 |
Final fee - standard | 2005-09-15 | ||
Reversal of deemed expiry | 2006-05-15 | 2006-08-25 | |
MF (patent, 4th anniv.) - standard | 2006-05-15 | 2006-08-25 | |
MF (patent, 5th anniv.) - standard | 2007-05-15 | 2007-04-04 | |
MF (patent, 6th anniv.) - standard | 2008-05-15 | 2008-02-26 | |
MF (patent, 7th anniv.) - standard | 2009-05-15 | 2009-04-14 | |
MF (patent, 8th anniv.) - standard | 2010-05-17 | 2010-03-24 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
ABSARA |
Past Owners on Record |
---|
DAVID EDUARDOVICH KHVICHIA |
EDUARD ILLARIONOVICH KHVICHIA |
GEORGY EDUARDOVICH KHVICHIA |