Title:
中空体およびその製造方法
Document Type and Number:
Japanese Patent JP4495731
Kind Code:
B2
Abstract:
A hollow body and a sheet body that are excellent in strength and can be produced at low production costs and in a reduced space, and a method of producing them. In a hollow body (1) having a hollow section forming member (7) between a first sheet (5) and a second sheet (6), an upper surface (7a) of the hollow section forming member (7) is joined to a central region (5g) of the first sheet (5) and a lower surface (7b) of the hollow section forming member (7) is joined to a central region (6g) of the second sheet (6). Side regions (5e, 5f) of the first sheet (5) are joined to the side regions (6e, 6f) of the second sheet (6) to form a hollow section (2). Further, in a sheet structure body (201) having an upper layer sheet (203) joined over a lower layer sheet (202), the upper layer sheet (203) is formed by arranging first and second sheet half bodies (204, 205) side-by-side in the width direction, inner end regions (204e, 205e) of the first and second sheet half bodies (204, 205) are folded upward relative to an upper surface (202a) of the lower layer sheet (202) and joined, and the joined section (203a) is continuously formed between front and rear ends (201a, 201b).
Inventors:
Tatsuki Miyoshi
Application Number:
JP2006548674A
Publication Date:
July 07, 2010
Filing Date:
March 01, 2005
Export Citation:
Assignee:
New Line Co., Ltd.
International Classes:
B29D22/00; B29C65/48; B31B1/60; B32B3/26; B65D30/08; F16L11/04
Domestic Patent References:
| JPH04278332A | 1992-10-02 | |||
| JPS5116373A | 1976-02-09 | |||
| JPH0468836U | 1992-06-18 | |||
| JPH07309371A | 1995-11-28 | |||
| JPH0370009U | 1991-07-12 | |||
| JPS57181847A | 1982-11-09 | |||
| JPH08301307A | 1996-11-19 |
Attorney, Agent or Firm:
野▲崎▼ 照夫