Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Two or more non-extruded coatings or impregnations
Reexamination Certificate
2007-08-21
2007-08-21
Salvatore, Lynda (Department: 1771)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Two or more non-extruded coatings or impregnations
C442S062000, C442S149000
Reexamination Certificate
active
10723145
ABSTRACT:
The invention is a heat curable extruded adhesive laminate system for producing collapsible tanks. The laminate is a composite of a fabric; an extruded linear hydroxyl adhesive having an uretdione that serves as a latent thermally activated curing component, and a high cyrstallinity thermoplastic polyurethane. In the system, panels cut from the adhesive laminate are assembled and seamed in a compression press operating at about 260° F. to about 350° F. The bonding process takes about 20-45 minutes, which causes the latent thermally activated curing component to cure the adhesive. Following compression heating in the press, the resulting seams have a strength that exceeds the minimum acceptable performance of 25 lbs/in, after being immersed in water and/or fuel at 160° F. for six weeks.
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D.C. Allport and W.H. Janes, Block Copolymers, Applied Science Publishers, Ltd.
Andreas Wenning Jurn-Volker Weib Werner Grenda, Polyisocyanates Today and Tomorrow.
Cooley Incorporated
Lowrie Lando & Anastasi, LLP
Salvatore Lynda
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