Title:
SHUTTER FOR CARTRIDGES FOR DISKS OR TAPES OF EXCELLENT PRINTABILITY
Document Type and Number:
WIPO Patent Application WO/1994/016012
Kind Code:
A1
Abstract:
A shutter for a cartridge for a disk or a tape which can be obtained by molding a composition containing (A) 100 parts by weight of a polyacetal resin, (B) 0.01-35 parts by weight of a hindered amino compound, and (C), 0.01-5 parts by weight of polyglycerol fatty acid ester having a degree of polymerization of glycerine of 3-8. The present invention is directed to a shutter for a cartridge for a disk or a tape which has excellent printability and preferably little variation with the lapse of time of such printability, and which is useful for opening and closing a head insert window on the outer surface of a case for a disk or tape cartridge containing a magnetic disk, a magnetic tape, an optical disk or an optical tape.
Inventors:
TSUKAHARA HIROSHI (JP)
Application Number:
PCT/JP1994/000015
Publication Date:
July 21, 1994
Filing Date:
January 07, 1994
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
TSUKAHARA HIROSHI (JP)
TSUKAHARA HIROSHI (JP)
International Classes:
C08K5/10; C08K5/103; C08K5/3435; C08K5/3492; C08L59/00; G11B23/03; G11B23/04; (IPC1-7): C08L59/00; C08K5/10; C08K5/17; G11B23/087
Foreign References:
| JPH02180951A | 1990-07-13 | |||
| JPS60161454A | 1985-08-23 | |||
| JPS56161437A | 1981-12-11 |
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