Title:
ARTIFICIAL LAWN, PILE YARN FOR ARTIFICIAL LAWN, AND METHOD AND SPINNERET FOR PRODUCING SAID LAWN
Document Type and Number:
WIPO Patent Application WO/1990/015193
Kind Code:
A1
Abstract:
A pile yarn for an artificial lawn characterized by having an elongated, substantially spiral section formed by twisting one or a plurality of bundles of flat blank yarns and fixing the twisted state, or a pile yarn for an artificial lawn characterized by comprising a plurality of yarns having an elongated, substantially spiral section formed by twisting in one direction one or a plurality of bundles of flat blank yarns wherein a plurality of said yarns are mutually twisted in the direction opposite to said one direction, and a method and a spinneret for producing such a pile yarn for an artificial lawn.
Inventors:
ISHIKAWA YOSHIO (JP)
Application Number:
PCT/JP1990/000756
Publication Date:
December 13, 1990
Filing Date:
June 08, 1990
Export Citation:
Assignee:
OTSUKA KAGAKU KK (JP)
International Classes:
D01D5/253; D03D27/00; E01C13/08; (IPC1-7): D01D5/253; D03D27/00; E01C13/00
Foreign References:
| JPS6330404B2 | 1988-06-17 | |||
| JPS56101905A | 1981-08-14 | |||
| JPS57193559A | 1982-11-27 | |||
| JPS53119318A | 1978-10-18 |
Other References:
See also references of EP 0432272A4
Attorney, Agent or Firm:
Saegusa, Eiji (2-1-2 Hiranomachi, Chuo-k, Osaka-shi Osaka 541, JP)
Download PDF:
Previous Patent: DEVICE FOR SECURING A RAILWAY TRACK TO A SUPPORT
Next Patent: METHOD AND EQUIPMENT FOR PREVENTING SEPARATION IN BULK MATERIALS
Next Patent: METHOD AND EQUIPMENT FOR PREVENTING SEPARATION IN BULK MATERIALS