Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1976-03-10
1978-06-06
Lusignan, Michael R.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
156180, 156296, 156305, 156306, 264128, 401198, 427244, 428297, 428304, 428394, B43K 112, D04H 314
Patent
active
040937690
ABSTRACT:
A fibre bundle is first formed of entangled fibres by use of a tapered mold of an extruder. Then, the fibre bundle thus formed is dipped into an urethane prepolymer to fill the spaces among fibres by impregnating it with said prepolymer. After removal from the liquid prepolymer, it is left for a period of time to allow the reactions among the constituents in the prepolymer and the volatilization of solvent generate gases to form gas escape holes or capillary passages along the length of the fibre bundle.
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patent: 3502417 (1970-03-01), Hartmann
patent: 3558392 (1971-01-01), Goodenow et al.
patent: 3562374 (1971-02-01), Okamoto et al.
patent: 3767520 (1973-10-01), Dick et al.
patent: 3864183 (1975-02-01), Hori
patent: 3881828 (1975-05-01), Jones
Glasrock Products, Inc.
Lusignan Michael R.
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