Encapsulated composite metallized strip and method of making the same
CA 1079773 A · Owner: Protective Treatments · Inventors: Wenrick, Brian A.; Gross, Michael G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A longitudinally bendable reflective extrusion is provided in which a thin flat composite metallized strip is encapsulated in a chin sheath of transparent plastic by extruding the transparent plastic about the metallized strip. The hot encapsulant is preferably permanently laterally curved with the metal film being positioned to be visible through the convex portion of the curve. In the composite metallized strip, a metal film having a thickness of less than about 25 microns is sandwiched between and bonded to a thin transparent layer of polyethylene terephthalate and a layer of pigmented polyvinyl chloride which helps to provide the strength needed to avoid delamination as the composite …
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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 June 17, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 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.
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.