公开(公告)号：US12031340B1

公开(公告)日：2024-07-09

申请号：US17567843

申请日：2022-01-03

Applicant: PERI Formwork Systems, Inc.

Inventor： David Magnusen ,  Brad Keown

IPC: E04G13/02 ,  E04G17/04 ,  E04G17/00

CPC classification number: E04G17/047 ,  E04G13/021 ,  E04G2017/008

Abstract: A formwork assembly including a plurality of formwork elements defining a concrete-receiving space, at least one of the plurality of formwork elements comprising a first panel, at least one support waler configured to receive at least one vertical fixation element and comprising a second panel, a horizontal fixation element configured to engage with the first panel and the second panel such that rotation of the horizontal fixation element allows for the at least one vertical fixation element to be freely removed from the at least one support waler after curing of concrete in the concrete-receiving space.

公开(公告)号：US12134903B1

公开(公告)日：2024-11-05

申请号：US17818252

申请日：2022-08-08

Applicant: PERI Formwork Systems, Inc.

Inventor： David Magnusen ,  Mark D Henning

IPC: E04G17/00 ,  E04G11/28 ,  E04G11/34 ,  E04G17/18

Abstract: An external platform that translates such that planking and structural members of the platform remain level and maintain a constant working surface area at the beginning, during, and end of the translation movement.

公开(公告)号：US11408188B1

公开(公告)日：2022-08-09

申请号：US16431733

申请日：2019-06-04

Applicant: PERI Formwork Systems, Inc.

Inventor： David Magnusen ,  Mark D. Henning

IPC: E04G11/28 ,  E04G17/00 ,  E04G17/18 ,  E04G11/34

Abstract: An external platform that translates such that planking and structural members of the platform remain level and maintain a constant working surface area at the beginning, during, and end of the translation movement.