Quasi-random dot pattern adhesive joining method

Details Quasi-random dot pattern adhesive joining method Quasi-random dot pattern adhesive joining method

1988-12-21

1990-02-13

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156295, 118313, 239 8, 264 13, 427256, 427422, 427424, B32B 714

Patent

active

049003909

ABSTRACT:
A method of joining surfaces involving dispensing of hot-melt adhesive onto one of the surfaces in a pattern of quasi-random dots splattered onto the surface. The dots are made by breaking a fluid stream of hot-melt adhesive into irregular globules near the tip of a nozzle. The globules are sufficiently massive to remain molten yet will travel in a directed trajectory. Coverage in a stripe pattern has a quasi-random coverage feature where there is a more than likely probability of encountering a dot along any line parallel to the stripe direction within a distance less than the width of the stripe.

REFERENCES:
patent: 2551538 (1951-05-01), Hensel
patent: 3348520 (1967-10-01), Lockwood
patent: 3406905 (1968-10-01), Reilly et al.
patent: 4031854 (1977-06-01), Sprague, Jr.
patent: 4065057 (1977-12-01), Durmann
patent: 4549915 (1985-10-01), Ritschel et al.
patent: 4592507 (1986-06-01), Benedict
patent: 4636425 (1987-01-01), Johnson et al.
patent: 4721252 (1988-01-01), Colton

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