Combined blousing, stripping and sealing for bag forming and method
CA 1323830 C · Owner: Bacon, Forrest C. · Inventors: Hadden, William A.; Bacon, Forrest C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A combined blousing stripping and sealing, operation is disclosed for providing increased speed and efficiency to a form, fill and seal packaging system. An AC/DC brushless servo motor 60 50 is, utilized for driving the stripping/sealing carriage 12 as well as operating the sealing jaws 30 32 to form, the bags B from a continuous film tube T. Each servo motor 60, 50 drives a crank 62, 36 that is coupled for oscillating movement in response to a programmable index controller 58. Drive linkage 63 connects the crank to the carriage/sealing jaws. The blousing function is provided by a pair of plates 54 55 on the, top of the sealing jaws. On the return movement of the carriage …
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 November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- 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.