Method and apparatus for packaging compressible fibrous batts and package of same
CA 1089752 A · Owner: Owens-Corning Fiberglas Corporation · Inventors: Finn, Lawrence R.; Schmandt, Gary M.; Mccartan, Daniel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for packaging compressible fibrous batts and a package of same are provided. The batts are formed by severing a longitudinally-extending strip of compressible fibrous material into batts of discrete lengths with the batts then being collected in end-to-end relationship. The batts are then moved into a loop of a packaging machine which loop is, formed by a belt maintained under controlled tension. The batts are fed longitudinally in abutting, end-to-end relationship into the belt loop which places them under compression as they are wound into a package, with the loop gradually expanding in diameter as the package size increases. Tapes are placed directly around the …
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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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 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
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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.