Door with guide insulation and weatherstripping
CA 1190468 A · Owner: Harsco Corporation · Inventors: Downey, Robert C. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulation and weatherstripping arrangement and associated method for a rolling door includes an insulation supporting member to support a block of expanded polystyrene or similar insulation inside a vertically extending cavity disposed between a guide track and a wall. Most advantageously metallic parts disposed on the inside, of the door are thermally isolated from metallic parts disposed on the outside of the door. Additionally inner, and outer weatherstrips are used for further minimizing heat loss.
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 July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.