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 1240496 |
---|---|
(21) Application Number: | 1240496 |
(54) English Title: | SYSTEME DE MONTAGE DES SECTEURS PORTE-PICS SUR UNE ROUE DE TRANCHEUSE OU TAMBOUR DE FRAISE |
(54) French Title: | MOUNTING SYSTEM FOR DIGGER TOOTH SECTORS ON A TRENCHING WHEEL OR A TUNNELING DRUM |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : |
|
(71) Applicants : |
|
(74) Agent: | ROBIC, ROBIC & ASSOCIES/ASSOCIATES |
(74) Associate agent: | |
(45) Issued: | 1988-08-16 |
(22) Filed Date: | 1983-07-20 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
---|
(30) Application Priority Data: | ||||||
---|---|---|---|---|---|---|
|
PRECIS DE LA DIVULGATION:
Un système de montage des secteurs porte-pics sur
une roue de trancheuse ou tambour de fraise (ou de haveuse)
permettant le montage rapide des secteurs, ainsi que le
changement de sens de travail de la roue ou du tambour
autour de son axe. Des supports fixés à la roue par leur
base sont limités par deux surfaces latérales et une face
supérieure qui s'appuient sur une embase en forme de chape
des secteurs porte-pics. Le support présente une forme
symétrique par rapport à son axe et dont les surfaces laté-
rales forment, à leur extrémité externe, un angle (.alpha.) infé-
rieur à 90° avec la perpendiculaire à l'axe. Le secteur
porte-pics est ferme sur le côté qui s'appuie sur la surface
avant lors du travail. Le secteur porte-pics est fixé sur
son support par un cavalier élastique.
,
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.
Sorry, the representative drawing for patent document number 1240496 was not found.
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 |
---|---|
Inactive: IPC from MCD | 2006-03-11 |
Inactive: Expired (old Act Patent) latest possible expiry date | 2005-08-16 |
Grant by Issuance | 1988-08-16 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
EUROTUNGSTENE |
Past Owners on Record |
---|
JOSEPH ALLARD |