Compact heater assembly for a hot melt applicator

Details Compact heater assembly for a hot melt applicator Compact heater assembly for a hot melt applicator

1988-12-19

1990-08-14

Envall, Jr., Roy N.

Electric heating

Heating devices

Tool or instrument

2221465, H05B 300

Patent

active

049489445

ABSTRACT:
A heater assembly for a hot melt applicator includes a heating block having a melting chamber and two compartments receiving a pair of elongated heating elements along opposite sides of the chamber. The heating elements have respective longitudinal axes that lie in a common plane which extends toward an outlet of the melting chamber at an angle relative to a central axis of the melting chamber. In preferred forms, the longitudinal axes of the heating elements converge toward each other as the outlet of the melting chamber is approached.

REFERENCES:
patent: 3743142 (1973-07-01), Elliott et al.
patent: 3776426 (1973-12-01), Newton
patent: 4014464 (1977-03-01), Newton et al.
patent: 4059204 (1977-11-01), Duncan et al.
patent: 4493972 (1985-01-01), Steinel et al.
patent: 4637745 (1987-01-01), Speisebecher et al.

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