Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1980-07-10
1982-03-16
Derrington, James H.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
215 1C, 264 25, 264521, 264523, 428 35, B29D 2303
Patent
active
043200834
ABSTRACT:
A process of producing a reinforced container of thermoplastic material in which a blank is pre-heated from an amorphous structure and finished in a subsequent blowing process with biaxial stretching, wherein it is provided simultaneously with internal reinforcing ribs.
REFERENCES:
patent: 3125619 (1964-03-01), Miller
patent: 3256564 (1966-06-01), Welshon
patent: 4024975 (1977-05-01), Uhlig
patent: 4151249 (1979-04-01), Lee
patent: 4170622 (1979-10-01), Uhlig
patent: 4179488 (1979-12-01), Nishikawa
Derrington James H.
Platmanufaktur AB
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