Method for producing a columnar shaped piece

Details Method for producing a columnar shaped piece Method for producing a columnar shaped piece

1991-09-24

1993-08-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

15624411, 2642973, 264323, 264348, B29C 4788

Patent

active

052366537

ABSTRACT:
A method of and device for producing a columnar shaped piece. A blend of essentially thermoplastic particles is melted into a billet, introduced into a mold, looped into layers inside the mold, and transformed into a piece, subsequent to which the piece is solidified by cooling and removed. The billet (3) is rotated essentially horizontally around its axis while it is being introduced into the mold (4) at one end and brought to rest inside the mold against the inner surface (6) thereof in the circumferential direction. The billet continues to be introduced until the inner surface is continuously and uniformly covered with constituents of the billet.

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patent: 3121130 (1964-02-01), Wiley et al.
patent: 3407440 (1968-10-01), Myers, Jr.
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patent: 3857914 (1974-12-01), Aishima et al.
patent: 4187352 (1980-02-01), Klobbie
patent: 4738808 (1988-04-01), Hammer et al.
patent: 5032072 (1991-07-01), Heuschkel

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