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US 7,256,966 B2Granted
Ramp made of polyoxymethylene resin
AssigneeAsahi Kasei Chemicals Corporation
InventorsMitsuhiro Horio, Hiroshi Tsukahara, Yuuji Yoshinaga
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Abstract
A ramp for hard discs which is obtained by molding a resin composition containing (A) a polyoxymethylene resin, and (B) at least one polymeric lubricant selected from the group consisting of (b-1) a polyolefin resin, and (b-2) a polymer obtained by polymerizing an isocyanate compound and a polyalkylene oxide, and which has an excellent sliding property and no deterioration of sliding property due to solvent washing.
Claims24
A ramp which is obtained by molding a resin composition comprising:
- (A) 100 parts by weight of a polyoxymethylene resin;
- and
- (B) 0.1 to 10 parts by weight of at least one polymeric lubricant comprising (b-2) a polymer composed of an isocyanate compound and a polyalkylene oxide;
- and provided that said ramp is a ramp for a hard disc.
1 more element
A ramp which is obtained by molding a resin composition comprising:
- (A) 100parts by weight of a polyoxymethylene resin;
- and
- (B) 0.1 to 10 parts by weight of (b-2) a polymer composed of an isocyanate compound and a polyalkylene oxide;
- provided that said ramp is a ramp for a hard disc.
1 more element
Dependencies are inferred from the claim text.