Device for joining plies for tires
CA 1191773 A · Owner: Firestone Tire & Rubber Company (The) · Inventors: Precht, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for joining the plies of tires in the green state, in which the plies are joined together along adjacent edges by the joint action of a first and a second plurality of pairs of rollers disposed one facing the other the first being above and the second being below the said plies and having a V-disposition with vertex along a junction line of the said edges. The rollers of the first plurality of rollers which are externally serrated are supported by, a support body which is adjustable both in height and about a horizontal axis with respect to the second plurality of rollers, and are connected to an operating unit carried by the support body. The rollers of each pair are rigidly …
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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 August 13, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2002.
- 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.