US 12,286,761 B2
Foundation formwork
Yoshiyuki Matsubara, Osaka (JP); Yoshinori Sumitomo, Osaka (JP); and Seishi Hirano, Osaka (JP)
Assigned to Sekisui House, LTD., Osaka (JP)
Appl. No. 17/925,670
Filed by Sekisui House, LTD., Osaka (JP)
PCT Filed May 18, 2021, PCT No. PCT/JP2021/018745
§ 371(c)(1), (2) Date Nov. 16, 2022,
PCT Pub. No. WO2021/246157, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 2020-095385 (JP), filed on Jun. 1, 2020.
Prior Publication US 2023/0193578 A1, Jun. 22, 2023
Int. Cl. E02D 27/01 (2006.01); E04G 9/05 (2006.01); E04G 9/10 (2006.01); E04G 11/08 (2006.01); E04G 13/00 (2006.01); E04G 17/12 (2006.01); E04G 21/18 (2006.01)
CPC E02D 27/013 (2013.01) [E04G 9/05 (2013.01); E04G 9/10 (2013.01); E04G 11/08 (2013.01); E04G 13/00 (2013.01); E04G 17/12 (2013.01); E04G 21/185 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A foundation formwork comprising:
a metal frame having a rectangular frame shape; and
a resin faceplate attached to the metal frame and closing an opening of the metal frame;
wherein the metal frame has a first fitting part being one of a pair of fitting parts fitted with each other, and the resin faceplate has a second fitting part being another one of the pair of fitting parts; and
wherein the metal frame has:
a pair of left and right frame bodies facing each other in a horizontal direction when put on a ground;
a pair of upper and lower frame bodies facing each other in a vertical direction when put on the ground; and
a bridged body bridged between the pair of upper and lower frame bodies along the left and right frame bodies, the bridged body being the first fitting part,
the resin faceplate has:
a faceplate main body having a plate shape; and
a protruding body protruding from a main surface of the faceplate main body, and
the second fitting part is a slit provided from one end to another end of the protruding body and configured so that the bridged body is fittingly insertable from a side of the one end.