Hot melt applicators

Details Hot melt applicators Hot melt applicators

1975-02-28

1976-05-18

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Hand movable, substrate traversing, plural dimension shaping...

118411, 401193, 425458, B28B 1104

Patent

active

039574067

ABSTRACT:
A multi-port applicator for supplying bonding and sealing material(s), for instance to elongated channels and/or recesses, and to members for fitting within channels. The applicator comprises at least two heatable heads in tandem, the trailing head having an orifice arranged for depositing molten thermoplastic on the same or other adhesive material supplied by a preceding or leading head orifice. Opposite sides of the heads are of configuration complemental to the walls defining the space to be filled, for example the peripheral channel of a double glazed unit. The trailing head may include a smoothing follower to shape the deposited material while it is still soft and insure a substantially uniform depth of total deposit.

REFERENCES:
patent: 1864176 (1932-06-01), Baker
patent: 2065298 (1936-12-01), Abbott
patent: 2763019 (1956-09-01), Huber
patent: 3140504 (1964-07-01), Knops
patent: 3632371 (1972-01-01), Mikulka

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