Clamping device for a blow moulding machine

Details Clamping device for a blow moulding machine Clamping device for a blow moulding machine

1993-09-17

1995-02-14

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425192R, 425539, B29C 4510

Patent

active

053889770

ABSTRACT:
An annular block (3) and an annular housing (23) are arranged in a lower portion of a head unit (1). A plurality of cylinder bores (27) are arranged within the housing (23) in along its outer periphery. The cylinder bores (27) are opened inwardly and acclivously in an inner peripheral surface (26) of the housing (23). At the time of clamping actuation, pistons (28) inserted into the respective cylinder bores (27) are adapted to be advanced inwardly and acclivously. Thereupon, a flange (15) provided in the upper portion of a die (5) is pressed to a bottom surface of a receiving hole (14) provided in the block (3) by clamping members (42) of the pistons (28).

REFERENCES:
patent: 4652410 (1987-03-01), Inoue et al.
patent: 4948105 (1990-08-01), Yonezawa
patent: 5147091 (1992-09-01), Yonezawa et al.
patent: 5174554 (1992-12-01), Yonezawa

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