Apparatus for blow molding thermoplastic material

Details Apparatus for blow molding thermoplastic material Apparatus for blow molding thermoplastic material

1973-06-05

1976-11-02

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Reshaping means utilizing fluid pressure directly contacting...

425DIG214, B29D 300, B29D 2303

Patent

active

039894428

ABSTRACT:
A method of and apparatus for blow molding an article having an insert permanently affixed thereto. The insert is placed on a removable member insertable through a wall of a mold section for positioning the insert in spaced relation to a mold cavity wall. An extruded parison is fed between complementary mold sections which are closed about the parison for enclosing a portion of the same. Air is introduced into the enclosed parison to expand the same into conformity with the cavity defined by the mold sections and the insert. Plastic material flows into the spacing between the insert and mold cavity wall to partially encapsulate the insert in sealed, interlocked relation to the wall of the plastic article.

REFERENCES:
patent: 2349177 (1944-05-01), Kopitke
patent: 3101993 (1963-08-01), Cohn
patent: 3109203 (1963-11-01), Moorman
patent: 3204959 (1965-09-01), Nicholls
patent: 3325031 (1967-06-01), Singier
patent: 3452125 (1969-06-01), Schurman et al.
patent: 3457337 (1969-07-01), Turner
patent: 3575949 (1971-04-01), Humphrey

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