Foaming method and device

Details Foaming method and device Foaming method and device

2006-11-07

2006-11-07

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S079000, C156S578000, C264S050000

Reexamination Certificate

active

07132023

ABSTRACT:
The invention relates to a method and a device for foaming glue for the production of wood-based sheets. Gluing substance and gas are fed (1,2) into the foaming device through nozzles (3,4), which are directed to mix the gluing substance and gas to be fed to form an essentially homogenous mixture prior to foaming. After this the gluing substance is foamed mechanically in the foaming chamber (5) with the aid of gas.

REFERENCES:
patent: 3965860 (1976-06-01), Cone et al.
patent: 4059714 (1977-11-01), Scholl et al.
patent: 4396529 (1983-08-01), Price et al.
patent: 4405063 (1983-09-01), Wydro et al.
patent: 4779462 (1988-10-01), Boullet et al.
patent: 5492655 (1996-02-01), Morton et al.
patent: 1139448 (1985-02-01), None

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