Method for producing formed blanks from thermoplastically workab

Details Method for producing formed blanks from thermoplastically workab Method for producing formed blanks from thermoplastically workab

1992-10-06

1994-05-03

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

264142, 426454, B29B 900

Patent

active

053085663

ABSTRACT:
A method for producing formed blanks wherein the components are premixed in a first stage and metered. Heat and moisture are added to the mixture in a controlled manner and the mixture is then formed into pellets. The pellets are cooled with air, comminuted and further processed into formed blanks after storage for an arbitrary length of time. The method of this invention leads to more homogeneous and improved results and is extremely inexpensive.

REFERENCES:
patent: 2645587 (1953-07-01), Williamson
patent: 3574632 (1971-04-01), Lanz
patent: 4341180 (1982-07-01), Cortigene et al.
patent: 4882105 (1989-11-01), Volk, Jr.
patent: 4929163 (1990-05-01), Volk, Jr.

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