Title:
【発明の名称】多角形の横断面をもつコンクリート又はそれに類するものでできた長柱の製造のための方法と装置
Document Type and Number:
Japanese Patent JP2838438
Kind Code:
B2
Abstract:
PCT No. PCT/FR89/00585 Sec. 371 Date May 15, 1991 Sec. 102(e) Date May 15, 1991 PCT Filed Nov. 15, 1989 PCT Pub. No. WO90/05622 PCT Pub. Date May 31, 1990.A method and device for fabricating posts made of concrete having a polygonal cross-section includes the steps of providing and opening an integral liner, applying backing panels to the liner, holding the panels together with a hooping means, and pouring and hardening concrete in the integral liner. The liner is collapsible and preformed to open in the shape of a right prism with an internal section identical to that of the post to be manufactured. Backing panels made of cardboard or plastic material support the external faces of the liner and entirely cover the external faces of the liner. At least one of the backing panels is adhered to an external face of the liner. A hooping means holds the liner and the backing panels assembled in mutual contact during the use of the device.
Inventors:
RU GURIERETSUKU RORAN
Application Number:
JP50004989A
Publication Date:
December 16, 1998
Filing Date:
November 15, 1989
Export Citation:
Assignee:
RU GURIERETSUKU RORAN
International Classes:
B28B7/28; B28B7/34; E04G13/02; (IPC1-7): B28B7/34
Domestic Patent References:
| JP5515590B2 |
Attorney, Agent or Firm:
Yu Saito (2 outside)