Title:
HEAT INSULATING FRAME BODY HAVING FIREPROOF AND RUST-PREVENTIVE FUNCTIONS
Document Type and Number:
Japanese Patent JP2023145397
Kind Code:
A
Abstract:
To provide a heat insulating frame body having fireproof and rust-preventive functions.SOLUTION: A door stop part in a steel square fitting frame is made up of a first frame body W1 which provides an outdoor surface and which has a substantially U-shaped joining part, a second frame body W2 which provides an indoor surface facing the outdoor surface and which serves as a joining body forming the door stop part, and a U-shaped plate-shaped closing plate which is formed by joining the first frame body W1 and the second frame body W2 so as to be a reinforcement material for the joined frame bodies of the first frame body W1 and the second frame body W2. The first frame body W1 as the outdoor surface is provided with frame-cut long hole-like notch parts of a rectangular surface in a pair of rows in a phase-difference state so that an airtight gasket material can be inserted in the center position of a groove structure body as the groove structure body having two rows of defect parts as notches along the outer peripheral surfaces of an upper frame and right and left vertical frames. In addition, a connection reinforcing member having a shape for closing the frame body made up of the first frame body W1 and the second frame body W2 is firmly fixed, and a heat insulating plate material is fitted between the connection reinforcing members having a closing plate shape.SELECTED DRAWING: Figure 1
Inventors:
FUJISHIN SHIGENOBU
IMUTA RYU
INOUE SHOTA
IMUTA RYU
INOUE SHOTA
Application Number:
JP2023049421A
Publication Date:
October 11, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
NISSHO KOGYO KK
International Classes:
E06B5/16; E06B1/18; E06B1/52; E06B7/22