B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1014
B29C 70/00 (2006.01) B29C 67/24 (2006.01)
Patent
CA 1105225
USE OF AN OPEN POROUS THERMOPLASTIC NETTING AS THE LAMINATING ADHESIVE IN FORMING A MINERAL WOOL FIBERBOARD PRODUCT ABSTRACT OF THE DISCLOSURE An apparatus for forming a mineral wool fiberboard product is described in Canadian copending application, Serial No. 289,463 filed October 25, 1977. This invention constitutes an improvement thereover in that an open porous thermoplastic netting is utilized as the laminating adhesive for bonding the open mesh glass fabric to the mineral wool fiberboard. The thermoplastic netting is fed into the forming chamber immediately over the open mesh glass fabric and beneath the layer of fibers and resins being formed thereover.
295525
Armstrong World Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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