Porous core rod

Details Porous core rod Porous core rod

1979-07-19

1981-12-08

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Utilizing laminated parison

264511, 264513, 264526, 425112, 425533, 425535, 425468, B29C 1707

Patent

active

043045421

ABSTRACT:
A blow slot equipped core rod assembly which incorporates a porous metal wall portion. Internal conduit means in the assembly permit a fluid (such as air, or the like) to be supplied to said blow slot (when open) and to such porous metal wall portion under superatmospheric or under subatmospheric pressure. The core rod is particularly useful in the manufacture of multilayered thermoplastic containers by injection blow molding procedures.

REFERENCES:
patent: 3122598 (1964-02-01), Berger
patent: 3170970 (1965-02-01), Adams
patent: 3247550 (1966-04-01), Haines, Jr.
patent: 3342914 (1967-09-01), Edwards
patent: 3470282 (1969-09-01), Scalora
patent: 3717544 (1973-02-01), Valyi
patent: 3740180 (1973-06-01), Sidur
patent: 3752621 (1973-08-01), Shelby
patent: 3776991 (1973-12-01), Marcus
patent: 3804573 (1974-04-01), Del Piero
patent: 3947205 (1976-03-01), Edwards
patent: 4020137 (1977-04-01), Lachner
patent: 4150689 (1979-04-01), Britten

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