Method of forming densified fiber batt with coil springs interlo

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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5716, 5720, 56558, 156 622, 156 628, 156292, 156293, 156298, 1563031, 1563096, 156321, 29745251, 442409, B29C 6502, B29C 6544

Patent

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060773782

ABSTRACT:
A resilient structure such as a seat cushion, mattress, furniture back or the like has enhanced resiliency and support at strategic locations due to the use of coil springs interlocked and held within a densified heat bonded low melt fiber batt used as the core or cover of the resilient structure. The densified fiber batt core includes low melt fibers which, when heated to the melting point and then cooled, intersect and interlock with the coil springs. The coil springs function as an integral part of the fiber batt, eliminating the need for lattice wires and the like to interlock the springs in the structure. The invention also increases the capability of manufacturing resilient structures in a wide variety of shapes and sizes.

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Translation of NL 7808781.
Whittington's Dictionary of Plastics, 1968, pp. 59, 60.
Hoechst Celanese Brochure: "Textile Fibers Group Hoechst Celanese Corporation", Dec. 1988, two pages.

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