Method for forming and keeping molten the recessed area of a fab

Details Method for forming and keeping molten the recessed area of a fab Method for forming and keeping molten the recessed area of a fab

1972-02-14

1977-05-03

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

156 86, 264 97, 264 98, 264249, 264296, 264DIG71, B29C 1707, B29C 2400, B29C 2730

Patent

active

040215199

ABSTRACT:
In a blow-molding operation, a method of forming a recessed area in the exterior wall of the parison and maintaining the recessed area in a heated condition while the remainder of the parison is formed and cooled. Also an apparatus (ram means) employed in such a method comprising (a) an arm, (b) a head and (c) a tip. The method and apparatus find application where a gripping-action is desired or required between the fabricated product and another sub-assembly.

REFERENCES:
patent: 2349177 (1944-05-01), Koritke
patent: 2608334 (1952-08-01), Knocke
patent: 2885105 (1959-05-01), Heyl et al.
patent: 3015856 (1962-01-01), Cohn
patent: 3304354 (1967-02-01), Hill, Jr. et al.
patent: 3507942 (1970-04-01), Lynch

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