Pipe insulation for cold weather applications
CA 1232213 A · Owner: Venture Tape Corp. · Inventors: Cohen, Lewis S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulation system for pipes which includes segments of fiberglass insulation or other mineral fiber slit along their length for surrounding the pipe, a butt strip tape for sealing abutting ends of the segments of insulation and means for, sealing a flap on the insulation segment covering the slit after the pipe has been inserted therethrough. The butt strip tape is a laminated tape which includes a layer of paper a, layer of fiberglass, a layer of foil and a pressure sensitive acrylic adhesive The means for sealing the slit may be either an adhesive film cast on a release liner and applied to the flap or a double sided adhesive tape. The double sided tape is a laminate which has an …
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 February 2, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2005.
- 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.