Apparatus for welding thermoplastics by high pressure injection

Dispensing – With heating or cooling means – Heating only

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Details

222391, 226128, B67D 562

Patent

active

059712120

ABSTRACT:
An apparatus for advancing a thermoplastic rod to a heated chamber. A housing, having a first end for communication with the chamber and a second end, receives the rod. A feeding mechanism applies an advancement force to the rod at a first location in a first direction towards the chamber. A retaining mechanism applies a retaining force to the rod at a second location in response to a force applied to the rod in a second direction opposite the first location. The rod is substantially supported within the housing from at least the first location to the first end. The retaining force is applied to the rod substantially about the entire circumference of the rod. The advancement force is applied to the rod at the first location between the first and second ends and the retaining force is applied to the rod at a second location between the first location and the second end.

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Schematic drawing of "Drader Injectiweld" dated 1988 (1 page).
Brochure of Drader Manufacturing Industries Ltd. entitled "Drader Injectiweld" dated 1986 (4 pages).
Pamphlet of Drader Manufacturing Industries Ltd. entitled "Drader Injectiweld" dated 1988 (1 page).
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