Method and apparatus for applying sealant to insulating glass panel spacer frames
CA 1231156 A · Owner: Glass Equipment Development, Inc. · Inventors: Leopold, Edmund A.; Mckeown, Glen D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and Apparatus for Applying Sealant to Insulating Glass Panel Spacer Frames, Abstract Partially assembled spacer frames formed by a plurality of joined spacer frame segments are advanced past a sealant applying station defined by first and second sealant extrusion nozzles positioned for applying sealant to opposite spacer frame segment sides and a third sealant extrusion nozzle positioned for applying sealant to the exterior spacer frame side. Extrusion nozzle controllers render the nozzles operative to apply sealant to the spacer frame segments in response to control signals. A spacer frame detection system produces signals indicating the presence of the spacer frame at the sealant …
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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 January 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 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.