Plastic and nonmetallic article shaping or treating: processes – Treating shaped or solid article
Patent
1976-08-05
1979-02-27
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Treating shaped or solid article
264209, 264232, B29C 2500
Patent
active
041419537
ABSTRACT:
A method for the accelerated transformation of the crystalline form of isotactic polybutene pipe, comprising moving the pipe linearly and subjecting the pipe while moving to a plurality of simultaneously inwardly directed radial stresses acting on the outer surface of the pipe along one or more radii of the same transverse cross section and in one or more adjacent cross sections of the pipe and apparatus for carrying out such method.
REFERENCES:
patent: 3089187 (1963-05-01), Wolfe
patent: 3551194 (1970-12-01), Shepherd et al.
patent: 3939243 (1976-02-01), Dawson
Joye Jacques
Kepes Andre
Lowe James B.
Societe Chimique des Charbonnages CDF Chimie
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