Apparatus for severing sheet material
CA 1093957 A · Owner: Marcal Paper Mills, Inc. · Inventors: Stoveken, F. Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for severing sheet material by a cutter device that is mounted upon a rail assembly for reciprocating movement. The rail assembly includes a channel member with an outwardly extending guide rail. A separate cutter bar is supported on the guide rail and extends longitudinally above the guide rail. A carriage is mounted on the guide rail for reciprocating movement and includes dual rollers which engage opposite sides of the cutter bar. The carriage is held against the guide rail by a pressure roller which engages the inner side of the guide rail. The pressure roller includes an adjustable mounting arrangement for adjusting the force that clamps the carriage against the guide rail. …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.