Title:
HOLLOW FORMWORK FOR MULTI-RIBBED BEAM
Document Type and Number:
WIPO Patent Application WO/2022/073256
Kind Code:
A1
Abstract:
A hollow formwork for a multi-ribbed beam, the hollow formwork comprising a formwork body (1), wherein the formwork body (1) comprises a formwork upper bottom (11) and a peripheral side wall (12) connected to the formwork upper bottom (11); and the hollow formwork further comprising a frame (2) arranged at the bottom of the peripheral side wall (12), wherein the frame (2) and the formwork body (1) form the formwork, by means of one time forming performed by a mold and then by means of cooling and demolding; the frame (2) is provided with a connecting base (24) surrounding the bottom of the peripheral side wall (12); the connecting base (24) is provided with a side frame (21) extending downwards; and the side frame (21) is provided with a side frame through hole (25). The hollow formwork has the advantages of being lightweight, having impact resistance, a long service life and facilitating mounting.
Inventors:
LIU JINHUI (CN)
WANG XIUJIANG (CN)
WANG XIUJIANG (CN)
Application Number:
PCT/CN2020/122304
Publication Date:
April 14, 2022
Filing Date:
October 21, 2020
Export Citation:
Assignee:
LIU JINHUI (CN)
WANG XIUJIANG (CN)
WANG XIUJIANG (CN)
International Classes:
E04B5/18; B29C39/10; B29C39/18; E04B5/21; E04B5/32
Foreign References:
| CN111734031A | 2020-10-02 | |||
| CN101508158A | 2009-08-19 | |||
| CN2096597U | 1992-02-19 | |||
| CN103161304A | 2013-06-19 | |||
| KR101899248B1 | 2018-09-14 | |||
| CN209082795U | 2019-07-09 | |||
| CN1635238A | 2005-07-06 |
Attorney, Agent or Firm:
IPLEADER ATTORNEYS AT-LAW (CN)
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