Patent Yard Sign in
Expired Canadian patentCanada

Form-fill-seal machine

CA 1291414 C · Owner: Mugnai, Giorgio · Inventors: Mugnai, Giorgio

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A forming shoulder for an HFFS machine comprises a pair of side wires 3a and 3b each comprising an upper limb 11 joined to a lower limb 14 at an elbow 12 and each supported near a respective end of a support bar 16. The width of the tube, defined by side walls where the tube passes inwardly of the two lower limbs 14 and by a floor (defined by the marginal portions of the film 10) and a ceiling (defined by the central portion 10a of the film spanning the gap between the two elbows 12) is adjustable, by re-positioning of the side wires 3a and 3b on the support bar 16 and the height of the tube is adjustable by replacement of one pair of side wires by a different pair having an alternative …

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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1985
GrantedOctober 29, 1991
Term endedOctober 29, 2008
Patent numberCA 1291414 C
Classification (IPC)B65B9/22 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 1, 1985Patent grantedOct 29, 1991Term endedOct 29, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.