Impact absorbing bag and manufacturing method thereof
CA 1337944 C · Owner: Kitamura, Atsushi · Inventors: Kitamura, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An impact absorbing bag comprises a seamless tubular woven fabric constituted with a central zone having substantially a circular shape and formed by a non-connecting portion of a tubular weave structure and, an circumferential zone, having a ring-like shape and formed by connecting portion of the tubular weave structure and a non-tubular weave structure. The transition between the non-tubular weave structure and the tubular weave structure is continuous; at least one portion of a surface of the seamless tubular woven fabric is provided with a polymer covering layer. A gas introducing hole is provided in the non-connecting portion of the tubular weave structure at one side of the seamless …
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 16, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 2013.
- 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.