Loop producing apparatus

Details Loop producing apparatus Loop producing apparatus

1991-10-29

1993-03-16

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156290, 239298, 239370, 239421, B32B 3100

Patent

active

051941155

ABSTRACT:
An improved loop producing apparatus includes an adhesive gun and a nozzle member for emanating a bead of adhesive in a spiral pattern caused by the direction of air jets toward the adhesive bead as it emanates from the nozzle. A plenum chamber just upstream of the nozzle member is provided with diffusing or baffling means for diffusing the flow of air before it is introduced to the bores in the nozzle member. Overlapping loops of an adhesive bead are deposited onto a substrate in very consistent loop widths and with little loop width variation independently of the angular orientation of the nozzle member.

REFERENCES:
patent: Re33481 (1990-12-01), Ziecker et al.
patent: 3421702 (1969-01-01), O'Brien
patent: 3659151 (1972-04-01), Fabre
patent: 3888649 (1975-06-01), Simhan
patent: 4031854 (1977-06-01), Sprague, Jr.
patent: 4055300 (1977-10-01), Binoche
patent: 4218019 (1980-08-01), Baldwin et al.
patent: 4815660 (1989-03-01), Boger
patent: 4983109 (1991-01-01), Miller et al.

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