Door for ticket gate

Details Door for ticket gate Door for ticket gate

2005-01-04

2005-01-04

Glessner, Brian E. (Department: 3635)

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Sandwich or hollow with sheet-like facing members

C052S309700, C052S309900, C052S309160, C049S501000

Reexamination Certificate

active

06837021

ABSTRACT:
A door for a ticket gate is disclosed. The door is composed of a metal plate as a core material and a cushioning material covering the metal plate. The metal plate defines at least one through-hole therein. The cushioning material comprises expanded polyolefin plates, and the metal plate and the expanded polyolefin plates have been integrated together by arranging the polyolefin plates on opposite sides of the metal plate, respectively, and then press molding them together.

REFERENCES:
patent: 3359699 (1967-12-01), Jackson
patent: 3742647 (1973-07-01), Tomita
patent: 3854263 (1974-12-01), Eckel
patent: 3950894 (1976-04-01), DiMaio
patent: 4159681 (1979-07-01), Vandament
patent: 4206267 (1980-06-01), Jungbluth
patent: 5426908 (1995-06-01), Shayman
patent: 5474841 (1995-12-01), Matsuki et al.
patent: 5925207 (1999-07-01), Itoh et al.
patent: 6389769 (2002-05-01), McKinney et al.

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