U.S. patents subclasses for class: Presses

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Title
Acting at opposite ends of cross bar on movable platen
Adding materials
Adjustable choke
Adjustable die openings
Adjustable line of force
Adjustable size
Aligned oppositely conveying
Alternately compressing
Approaching arms embracing receptacle
Apron type (embracing belt loop)
Assembled rings or hoops
Assembled slats or staves
Associated with door or cover
AUTOMATIC OR MATERIAL TRIGGERED CONTROL
Axially aligned pistons
Axially slidable
Bale thrower
Barrier type (e.g., guard, shield, screen, hood, etc.)
Belt
Between opposed belts
Binder applying
BINDER CONTAINERS
Binder retaining material holders
Binder supported across passageway for material
Binder tighteners
Binder tighteners and joiners
BINDING
Blocking mechanism between press surfaces
BOLSTER AND DIE
Box and piston type
Box guided piston
Box or pot type
Box traversing spreader
Box, frame, cage, or annular wall
Boxes or plates
By pressure applied to material
By rotation of material
By swing of material gripping jaw
C-frame type
Cake loosening or ejecting
Calendar pressure regulation
Cam or tapering wedge
CAN CRUSHERS
Central strain rod type
Chute or conveyer between stages
Circularly deposited through eccentric opening
Circumferentially tightened loop
CLOTHS FROM CAKE STRIPPERS
Co-acting presser roll
COIL TIGHTENER AND BINDER

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