B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 13/04 (2006.01) A41H 37/00 (2006.01) A47G 27/04 (2006.01) B29C 65/50 (2006.01) B29C 70/86 (2006.01) D04H 1/00 (2006.01)
Patent
CA 2071521
A device and method for attaching thermoformed substrate material (10) having front and back surfaces to a support frame are disclosed. The device includes a fastener (16) having a base portion (90) and an attachment portion (22) projecting from the base portion for engagement with the support frame. An adhesive mechanism secures the base portion to the substrate. The adhesive mechanism is thermoplastic and heat activatable at thermoforming temperatures prior to bonding and has a suffi- ciently high softening point after bonding to prevent flow at temperatures of up to about 250 °C. The adhesive mechanism in the form of a nonwoven, needle-punched fiber sheet having an enriched surface of lower melting point fiber or an effective amount of a hot melt adhesive adopted for reactivation at thermoforming temperatures.
Fetherstonhaugh & Co.
Gates Formed-Fibre Products Inc.
LandOfFree
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