Title:
FLOOR HINGE DEVICE FOR DOOR
Document Type and Number:
Japanese Patent JPH0194179
Kind Code:
A
Abstract:
PURPOSE: To prevent invasion of rainwater into a space of a residual part of a hinge mechanism part in a container for enabling a door to be smoothly rotated for a long period by filling foam material in the space.
CONSTITUTION: A floor hinge device 1 is composed of a box-shaped iron container 2 opened upward, a hinge mechanism part 3 including a door closing speed adjusting mechanism, etc., and a cover body 4. In a space of a residual part of the hinge mechanism part 3 in the container 2, closed cell type foam material 10 of foam polyurethane, foam polyethylene, foam polypropylene, foam polystyrene or the like is filled. Invasion of rainwater into the space can thus be prevented by the closed cell type foam material 10.
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Inventors:
MATSUZAKI HIROHIKO
NISHIZAWA NORIO
OISHI MASAMI
BABA HIROSHI
NISHIZAWA NORIO
OISHI MASAMI
BABA HIROSHI
Application Number:
JP24957987A
Publication Date:
April 12, 1989
Filing Date:
October 02, 1987
Export Citation:
Assignee:
MITSUI CONSTR
NIPPON SEKKEI JIMUSHO KK
NIPPON SEKKEI JIMUSHO KK
International Classes:
E05D11/00; (IPC1-7): E05D11/00
Attorney, Agent or Firm:
Teruaki Koyama
Next Patent: DOOR OPENING/CLOSING MECHANISM