Stock material or miscellaneous articles – Pile or nap type surface or component
Patent
1978-04-11
1981-05-05
Bell, James J.
Stock material or miscellaneous articles
Pile or nap type surface or component
156 72, 156181, 156272, 264 25, 428 95, 428131, 428195, 428288, 428296, 156290, 156297, 1563084, 430 11, 430330, B32B 302
Patent
active
042659540
ABSTRACT:
A non-woven sheet or web of fibers, containing at least some thermoplastic fibers, is fused to consolidate the fibers, bond another sheet of material thereto, perforate the sheet or bind tufting fibers therein by heating the sheet to a temperature and for a time sufficient to fuse at least some of the fibers in preselected areas of the sheet while simultaneously blocking heat transmission to the non-selected areas, or by pretreating patterned areas of the sheet to increase or decrease the heat-absorptivity of the patterned areas relative to the remainder of the sheet and thereafter heating the sheet. Improved non-woven fabrics, consolidated in preselected areas, non-woven fabrics bonded to another sheet material in preselected areas, non-woven fabrics perforated in predetermined areas and non-woven fabric substrates firmly holding tufting materials in preselected areas, are also produced.
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Bell James J.
Phillips Petroleum Company
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