Apparatus for adjusting die lip gap

Details Apparatus for adjusting die lip gap Apparatus for adjusting die lip gap

1997-09-24

2000-01-25

Ryan, Patrick

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Control means responsive to product weight or dimension

425381, 425466, B29C 4716

Patent

active

06017207&

ABSTRACT:
An extrusion apparatus including a flexible lip for adjusting the lip gap, and including reciprocally movable members in operative contact with the flexible lip is described. Beneficially, a generally laterally movable actuator bar is connected to angled slots of the reciprocally movable members by pin members rotatably mounted in bores of the actuator bar. Lateral movement of the actuator bar advantageously results in lip gap control across the full width of the lip gap. Use of reciprocally movable members with slots of selected angles provides for profiling the lip gap. Also provided is an advantageous mechanism for controlling movement of the actuator bar and reciprocally movable members.

REFERENCES:
patent: 3264686 (1966-08-01), Soloduk
patent: 3829274 (1974-08-01), Melead
patent: 3836313 (1974-09-01), Stafford
patent: 3859032 (1975-01-01), Krupa
patent: 3870453 (1975-03-01), Howard
patent: 3877857 (1975-04-01), Melead
patent: 5679383 (1997-10-01), Ryan et al.
Drawing AT (Figs. 1 to 3).
Prior Art Sliding Wedge Deckle Drawing.
Prior Art R-Bar Adjustment Assembly Drawing.

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