Title:
【発明の名称】ら旋状の剛毛を製造するための方法
Document Type and Number:
Japanese Patent JPH11511812
Kind Code:
A
Abstract:
PCT No. PCT/EP96/03874 Sec. 371 Date Aug. 11, 1998 Sec. 102(e) Date Aug. 11, 1998 PCT Filed Sep. 4, 1996 PCT Pub. No. WO97/10374 PCT Pub. Date Mar. 20, 1997The invention relates to a method for the manufacture of screwlike bristles by extruding monofilaments. In order to provide a method with which screwlike bristles can be inexpensively manufactured in the same way as conventional bristles with an identical, predeterminable quality, a monofilament having a non-circular cross-section is extruded and is prestretched after drawing off, accompanied by a reduction in its cross-section, followed by further stretching, twisting to a screwlike bristle material over at least part of its length and then stabilization by shrinkage. It is possible to extrude a monofilament with an oval or polygonal cross-section or having a core and at least one axially parallel rib. According to a further method, at least two monofilaments are prestretched on drawing off, accompanied by a reduction of their cross-section, followed by further stretching, twisting together to give a screwlike bristle material and stabilization by heat shrinkage.
Inventors:
Georg Weilauho
Application Number:
JP53282596A
Publication Date:
October 12, 1999
Filing Date:
September 04, 1996
Export Citation:
Assignee:
Coronet-Werke Gezel Shaft Mitt Beschlenktel Haftung
International Classes:
A46D1/00; D01D5/253; D01F6/00; D01F8/04; D02G1/02; (IPC1-7): D02G1/02; A46D1/00; D01D5/253; D01F6/00; D01F8/04
Attorney, Agent or Firm:
Toshio Yano (3 outside)