Title:
FORM FASTENER
Document Type and Number:
Japanese Patent JP2023096614
Kind Code:
A
Abstract:
To separate a plurality of connected forms (concrete panel forms) from a building frame in an assembled state without disassembling them, to enable movement and transfer of the forms in a suspended state, and to improve work performance and safety.SOLUTION: A form fastener comprises: an inter-form support fastener 12; and a butter wood fastening fixing tool 13. After placing and solidifying concrete, a form fastening shaft bolt 10 fitted to the inter-form support fastener 12 is rotated to be removed, thereby separating a form (concrete panel form) fixed to butter wood 14 from a building form. The construction period is shortened and work safety is improved by moving and transferring the form in a suspended state. A round washer 5d is retained in a fastening shaft 5c so as not to be removed by setting the diameter of the fastening shaft 5c smaller than that of a pinching part body 5ba of a guide pin 5 fitted to the form fastener. Further, the work performance is improved by forming a seat tool 11 by concrete and burying it and fitting it only through insertion.SELECTED DRAWING: Figure 1
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Inventors:
HIRAGA KENICHI
Application Number:
JP2021212494A
Publication Date:
July 07, 2023
Filing Date:
December 27, 2021
Export Citation:
Assignee:
HIRAGA KENICHI
International Classes:
E04G17/065; E04G17/075