Nishikawa Rubber Co., Ltd.

Hiroaki Miyahara

Shinichiro Emori

Yoshihiro Kohara

Eiichi Baba

Nobumasa Sato

Masami Isobe

Mitsuaki Arata

Kouji Nawate

Tatsuo Kobayashi

Kotaro Kishi

A glass runfit on a door sashof an automobile has: a cross-section roughly U-shape comprising an outer-cabin side wall, an inner-cabin side walland a connecting wallwhich connects the outer-cabin side walland the inner-cabin side wallfor guiding a door glasslifting or lowering into a ditch part; and an outer lipand an inner liprespectively formed on inner surfaces of both of the side walls, which extend toward a connecting wallside and are slidably brought into contact with the door glasswherein: the connecting wallhas a part thereof swelled and curved toward an inner surface side thereof, which faces a position on the connecting wallwhere the door glasscollides; the connecting wallswelled and curved has two projectionsformed on an outer surface thereof, which come into contact with the door sashand of which an intervaltherebetween is not more than thicknessof the door glass; and a position surrounded by the two projections, the connecting walland the door sashis formed into a spacehaving a cross-section roughly semicylindrical shape.

Glass run

A noise isolation sheet is installed in a car door that includes a door inner panel and an interior door trim. The door trim is provided inside the door inner panel. The noise isolation sheet partially or wholly covers the door inner panel. The noise isolation sheet has at least two layers including an outer side sheet and an inner side sheet. The outer side sheet includes a first foam body having water absorption of less than 30%, and the inner side sheet includes a second foam body having water absorption of 30% or more.

Noise isolation sheet

A car door structure comprises a door inner panel , an interior door trim and a noise insulation sheet . The interior door trim is installed in the interior side of the door inner panel . The noise insulation sheet is provided between the door inner panel and the door trim , where it is hung down from the upper side to the lower side of the door inner panel like a curtain. The noise insulation sheet is fixed to either the door inner panel or the door trim . The noise insulation sheet is provided at about an upper half or a lower half of the door inner panel , or it is provided at a central part of the door inner panel while dividing approximately into three sections in a vertical direction or a horizontal direction.

Car door structure and noise insulation sheet

Growing community of inventors

Hiroshima, Japan

Hiroaki Miyahara