Bridge maintenance method and equipment

Details Bridge maintenance method and equipment Bridge maintenance method and equipment

1988-11-10

1991-04-30

Morgenstern, Norman

Coating processes

Restoring or repairing

Metal article

427140, 427290, 427292, 427327, 427421, 51424, 51426, 182129, 182142, 182150, E04G 118, E04G 100, B24C 900

Patent

active

050117106

ABSTRACT:
Surfaces of a structure are treated from a walkway within an enclosure suspended from the structure. The enclosure has a downwardly-converging cross section terminating in a vacuum conveyor for collecting and removing particles accumulating from the blasting process. The enclosure is preferably provided in modules. The vacuum conveyor removes the particulate material for transfer to conventional separating and re-cycling equipment. the enclosure and walkway are moveably suspended from transverse guideways secured to the structure.

REFERENCES:
patent: 3076522 (1963-02-01), Goodell
patent: 3394776 (1968-07-01), Abrams
patent: 3765923 (1973-10-01), Bender-Christensen
patent: 4351863 (1982-09-01), Roesner
patent: 4429764 (1984-07-01), Park
patent: 4649672 (1987-03-01), Thomann
patent: 4660680 (1987-04-01), Potin
patent: 4848516 (1989-07-01), Nakai et al.
patent: 4852687 (1989-08-01), Hittler
patent: 4854419 (1989-08-01), Lyras et al.

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