Method of manufacturing padding cloth for belts having latent warping property
CA 1099208 A · Owner: Michimae, Nobuhiro · Inventors: Michimae, Ryuzo; Michimae, Nobuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing a padding cloth for belts the cloth having a latent curvability property such that it can be deformed by differential shrinkage caused by heat treatment so that one of its side edges becomes concave and its opposite side edge becomes convex. A liquid fabric sizing composition is applied to a continuous belt-like cloth having thermal shrinkage rates which vary stepwise across the width of the cloth so as to increase toward a side edge of the cloth to impart the latent curvability property thereto. The cloth is then dried and moved into and through a heating device. The dried sized cloth is, moved into the heating device at a faster rate than the rate at which it is …
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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 April 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.