Process for the continuous production of elongate hollow bodies

Details Process for the continuous production of elongate hollow bodies Process for the continuous production of elongate hollow bodies

1987-06-16

1988-07-19

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With mold element formation or removal

156173, 15624413, 156289, 264172, 264173, 2642092, 264213, 264216, 264338, 427231, 427258, 4274123, B29C 3368, B29C 4126, B29D 2300

Patent

active

047583975

ABSTRACT:
The present invention is directed to a process for the continuous production of elongate hollow bodies or inner linings for such hollow bodies, from a liquid material wherein the peripheral surface of a mandrel rotating about a horizontal or slightly inclined shaft is covered with a separating film and the liquid material is applied to said separating film and the resulting hollow body is continuously drawn from the mandrel in the axial direction of the shaft while observing the solidification speed of the material, the improvement wherein the separating film is applied to the mandrel in the axial direction of the shaft and to an apparatus for the use therein.

REFERENCES:
patent: 1309424 (1919-07-01), Seiberling
patent: 1669555 (1928-05-01), Finley
patent: 1914455 (1933-06-01), Pahl
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patent: 3886338 (1975-05-01), Lokun et al.
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patent: 4213811 (1980-07-01), Hall et al.
patent: 4361459 (1982-11-01), Martin
patent: 4689003 (1987-08-01), Schreiner et al.

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