Dockboard seal

Details Dockboard seal Dockboard seal

1981-10-09

1983-12-27

Byers, Jr., Nile C.

Bridges

Gangway, ramp, or dock leveler

Attached

14 713, E01D 100

Patent

active

044221991

ABSTRACT:
A flexible seal for use in adjustable dockboard unit for sealing the unit against the flow of air therethrough into and/or out of the building in which the dockboard is being used.

REFERENCES:
patent: 2681698 (1954-06-01), Herman
patent: 2904802 (1959-09-01), Hartman
patent: 2924336 (1961-03-01), Kelley
patent: 3117332 (1964-01-01), Kelley
patent: 3137017 (1964-06-01), Pfleger
patent: 3255478 (1966-06-01), Lambert
patent: 3456274 (1969-07-01), McGuire
patent: 4110860 (1978-09-01), Neff

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