Title:
PRODUCTION OF RESIN FELT BY THERMOFORMING
Document Type and Number:
Japanese Patent JPH04361652
Kind Code:
A
Abstract:
PURPOSE: To obtain lightweight low-density parts of sound insulating material by compressing a fleece formed under a specific condition into given thickness and heating and press forming the fleece by a die of arbitrary shape.
CONSTITUTION: Animal or plant fibers or synthetic resin fibers are mixed with a binder resin, passed through a spiked drum 4 and a form sucking drum 5 rotating in the opposite direction of the spiked drum to form a fleece. The fleece is compressed by a compressor 7 into 40-80mm, made into a semicured state with heated steam and press formed under heating by a die.
Inventors:
UCHIDA TOSHIAKI
OKAMOTO MORIO
NOJIMA MASAHIRO
OKAMOTO MORIO
NOJIMA MASAHIRO
Application Number:
JP16525891A
Publication Date:
December 15, 1992
Filing Date:
June 11, 1991
Export Citation:
Assignee:
NIPPON TOKUSHU TORYO CO LTD
International Classes:
D04H1/08; D04H1/10; (IPC1-7): D04H1/08; D04H1/10