The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 1998
Filed:
Jan. 28, 1997
Sou Koike, Toyama-ken, JP;
Masao Hirano, Toyama-ken, JP;
YKK Architectural Products Inc., Tokyo, JP;
Abstract
In a double door assembly in which first and second doors are respectively mounted to bilateral vertical frame members of a door frame in the manner that each door can swing both to the indoor side and to the outdoor side for its opening and closing, a structure of mating portions of the doors comprises a first mating frame element constituting the first door and providing a first mating surface, a second mating frame element constituting the second door and providing a second mating surface, a first mating seal member attached to the first mating surface to project toward the second mating surface and a second mating seal member attached to the second mating surface to the indoor side relative to the first mating seal member to project toward the first mating surface. The first mating seal member is adapted to contact the second mating surface when the first and second doors are closed while the second mating seal member is adapted to be apart from the first mating surface when the first and second doors are closed.