Title:
TUBE-LIKE UNIT
Document Type and Number:
Japanese Patent JP3235964
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a tube-like unit in which release or damage scarcely occurs between fibers or between layers even if an impact is applied with excellent specific strength and specific rigidity.
SOLUTION: In a tube-like unit in which a prepreg of a reinforcing fiber impregnated with a synthetic resin is wound, prepregs 3, 5, 6 in which synthetic resin impregnating amounts of an oblique fiber body layer in which a fiber direction is oriented in an oblique direction and an axial lengthwise fiber body layer in which a fiber direction is oriented in an axis lengthwise direction are set to substantially 10 to less than 25wt.% are wound, and a thin layer 4 having much synthetic resin impregnating amount is formed between the oblique body layer and the axial lengthwise body layer.
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Inventors:
Harunobu Kusumoto
Application Number:
JP15432796A
Publication Date:
December 04, 2001
Filing Date:
June 14, 1996
Export Citation:
Assignee:
Daiwa Seiko Co., Ltd.
International Classes:
A63B53/10; A63C11/22; B29C70/16; B29C70/20; B29C70/30; B32B5/00; A01K87/00; B32B5/12; C08J5/24; A63B102/32; B29L23/00; B29L31/52; (IPC1-7): B29C70/16; A01K87/00; A63B53/10; A63C11/22; B32B5/00; B32B5/12; C08J5/24
Domestic Patent References:
| JP9201434A |
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)