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US 5,962,041 AGranted
Dual flexible lip extrusion apparatus
AssigneeExtrusion Dies, Inc.
InventorsJohn W. Ryan, Vernon J. Krupa, Gregory M. Wilson, Donald R. Garton, Harry G. Lippert
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Abstract
An extrusion apparatus includes first and second die body portions each having a main body and a lip interconnected with the main body wherein the die body portions are joined such that a single die outlet is formed between and bounded by the lips. The apparatus also includes suitable structure for moving the lips to adjust the die outlet.
Claims10
An extrusion die, comprising:
- a pair of main body portions each including a single movable lip coupled to and pivotable about an associated hinge member wherein the main body portions are joined together such that a single die exit is formed between the movable lips and wherein each lip has a width extending entirely across the die exit;
- and
- single-point adjustment apparatus including at least one first member coupled to one of the lips and spanning the associated hinge member and movable along a first direction to move the one lip across the width thereof, a second member coupled to the at least one first member and moveable along a second direction perpendicular to the first direction to move the at least one first member and a third member actuable to move the second member.
An extrusion die, comprising:
- first and second die body portions joined together to form a single die outlet between first and second die lips coupled to first and second hinge portions of the first and second die body portions, respectively;
- a first die lip moving apparatus coupled to the first die lip;
- and
- a second die lip moving apparatus coupled to the second die lip;
- the first die lip moving apparatus including a first sliding member movable in a first direction and including a cam surface, the first die lip moving apparatus further including a second sliding member engaged with the cam surface and the first die lip and movable in a second direction transverse to the first direction and wherein the first die lip is movable toward and away from the second die lip in a third direction different than the second direction.
2 more elements
Dependencies are inferred from the claim text.