Patent Yard Sign in
Expired Canadian patentCanada

Hot semisolid material packaging with dynamic precooling and rope cutting

CA 1237105 A · Owner: Nihon Spindle Seizo Kabushiki Kaisha · Inventors: Mori, Takuzo; Fujita, Tsutomu; Hamamoto, Hideki

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 method of packing a semisolid compound into a bag comprising the steps of precooling a high temperature semisolid compound to such a temperature at which it can mantain the desired viscosity, filling said precooled semisolid compound into a packing bag made of synthetic resin while cooling its outer surface with water, heat-sealing an opening part of the bag putting the bag in a water tank for cooling removing, the cooled bag and transporting it and an apparatus, for carrying out the above described method.

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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 1984
GrantedMay 24, 1988
Term endedMay 24, 2005
Patent numberCA 1237105 A
Classification (IPC)B65B1/00 +2 more

Sources & verification

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