Device for the melting and measured discharge of thermoplastic a

Details Device for the melting and measured discharge of thermoplastic a Device for the melting and measured discharge of thermoplastic a

1980-04-25

1982-11-09

Rolla, Joseph J.

Dispensing

With heating or cooling means

Cooling only

219230, 308 35, B67D 562

Patent

active

043580300

ABSTRACT:
In a device for the melting and measured discharge of a thermoplastic adhesive, a sealing sleeve conveys the solid thermoplastic adhesive into the inlet end of a melting chamber. The sealing sleeve is formed of a temperature resistant, poor heat conductive material with good sliding properties, such as polytetrafluoroethylene. Further, the sealing sleeve is provided with slots extending in the axial direction of the sleeve from the end more remote from the melting chamber toward the melting chamber.

REFERENCES:
patent: 341973 (1886-05-01), Watson
patent: 3298572 (1967-01-01), Newton
patent: 3330605 (1967-07-01), Jasmand
patent: 3570037 (1971-03-01), Rood
patent: 4150770 (1979-04-01), Weiland et al.

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