Patent Yard Sign in
Expired Canadian patentCanada

Belting with tubular edge portions

CA 1069802 A · Owner: Berger, Johann · Inventors: Berger, Josef; Berger, Said Johann; Papageorgiou, Constantin

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 belting with a single-layer central portion and two tubular edge portions is made on a needle ribbon weaving machine. One of the tubular edge portions is woven as single layer and then closed to form the tubular edge portion by pull on the weft thread. A knitting course which keeps this tubular edge portion closed is made by means of a tuck and/or interlocking thread in such a way that it disappears in the fabric and does not project therefrom. This is achieved either by feeding more tuck thread as usual so that tuck thread loops are drawn by the weft thread from the knitting course into the fabric or by utilizing no tuck thread but only an interlocking thread in making this tubular edge …

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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 15, 1980
Term endedJanuary 15, 1997
Patent numberCA 1069802 A
Classification (IPC)D03D47/42 +2 more

Sources & verification

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