Process to produce enveloped fiberglass product and enveloped fiberglass product
CA 1314202 C · Owner: Molded Acoustical Products, Inc. · Inventors: D'Amico, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molded fiberglass product and process for producing that product are disclosed. A fiberglass mat is molded to a desired shape. It is trimmed and placed between two sheets of facing fabric the facing fabric pretreated, with a thermoset binder and a heat activated adhesive. The facing sheets and fiberglass mat are placed into a press with a heated mold where the fiberglass is compressed at its edges and the sheets are sealed to the fiberglass and beyond the fiberglass edges to each other. The resultant workpiece is trimmed and the final product is a completely enveloped molded fiberglass product with all fiberglass surfaces and edges both, external and internal, enveloped in facing no …
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 March 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 2010.
- 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.