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6457667 |
Method and apparatus for controlling the tension of wire being pulled from a wire spool on a bead wire letoff stand
The present invention relates to an improved bead wire letoff assembly and method of operation that controls the tension of wire being pulled from a wire spool mounted to the bead wire letoff...
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6293192 |
Newsprint core brake system for newspaper presses
Combined newsprint core brake system and newsprint supply reel in a continuous running roll press, for full and fractional running web supply, web tension sensor control braking coupled to core...
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6216747 |
Beam let-off apparatus and a method for letting off filaments
A beam let-off apparatus capable of adjusting the tension of a plurality of filaments as they are removed from a beam through the controlled movement of a pivoting arm directed by the tension of...
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6073876 |
Tension control device for paper web in a rotary printing machine
A tension control device for paper web used in a rotary printing machine which includes paper rolls each of which has a brake mechanism varied in response to fluid pressure to splice to a new roll...
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5186409 |
Tension control device for printing paper
A tension control device is capable of controlling the tension applied to a printing paper after a paper setting work in a printing apparatus. The tension control device comprises a paper feeding...
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4793564 |
Device for controlling unwinding in a web-feeding device of a printing machine
A device for controlling an unwinding of a continually fed material web in a printing machine comprises a web storage to which the web is loaded from the unwinding roller and which includes a...
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4709872 |
Web tension control and emergency stop system
To provide for controlled braking effort on a selected paper roll (5) from which a web (14) is applied to a utilization machine, and additionally for fast-stop or holding conditions, the roll is...
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4565334 |
Electrohydraulic drive for process line winders, unwinders and other equipment
An electrohydraulic drive for process line equipment, especially a spooler that winds and pays out an indefinite length of metallic strand, varies the output torque of a hydraulic motor by...
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4411393 |
Web tension control apparatus
Apparatus for controlling the tension of a web during transport, such as a label-carrying web in a heat transfer labelling machine. The web travels from a supply reel, around a dancer roll and...
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4337904 |
Web tension control method and apparatus
This invention provides an improved method and apparatus for controlling the tension in a tensionally fragile web of material being pulled by a constant speed processing machine from either one of...
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4318513 |
Tension adjustment system of the paper belt on feeding units of paper manufacturing machines
The invention relates to a system for providing a constant tension of the paper belt being fed from a paper coil. According to the invention, a floating roller is mounted between two displaceable...
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4316587 |
Device for regulating the tension of a travelling web
A device for regulating the tension of a travelling web moved as a result of the application of traction includes a roller freely rotatable about its axis arranged transversely with respect to the...
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4288045 |
Device for controlling the tension of a web
The invention describes a device for controlling the tension of a web discharged from a delivery spool including a compensating roller around which the web is guided to which a tiltingly supported...
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4245793 |
Draw off control system for a roll of material
The disclosure relates to a draw off control system for a roll of material in which a pivoted arm carries one end of a roller around which the material is passed to pull the arm in one direction,...
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4241884 |
Powered device for controlling the rotation of a reel
To control the rotation of wire being fed from a reel, the tension of the wire is sensed by a pivotable arm which, through a valve system, controls operation of a pneumatic cylinder having a...
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4065067 |
System for automatic coupling or splicing of bobbins, submitting a strip to a continuous feed process for paper manufacturing machines
A continuous paper supply is provided from alternative supply rolls by momentarily stopping the paper being supplied and adhesively joining the leading edge of a new supply severing the old supply...
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4000865 |
Controlled tension let-off for unwinding rolls of material
Controlled tension letoff apparatus for unwinding rolls of material includes a constant tension dancer roll operatively associated with the material being unwound, and a plurality of air pressure...
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3963191 |
Strap dispenser for automatic strapping machine
A strap dispenser for a strapping machine includes a dancer arm connected to a double acting pneumatic cylinder assembly wherein the piston has a rod end and a larger area piston end. Air under the...
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3921928 |
Web roll cradle with positive drive
Apparatus and method of cyclic or intermittent feeding and unwinding of sheet material includes a pneumatic motor that drives the rotary web roll support and a brake that serves to stall out the...
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3913855 |
Device for controlling the tension in a web of material being unwound from a roll
In controlling the tension in a web of material unwound from a roll, the web passes over a pendulum roll and a control system is connected to the pendulum roll to measure the tension and to...
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3889895 |
Web-tension sensing and control apparatus
A web-tension sensing and control apparatus for sensing and controlling the tension of the webs of feed rolls and webs of paper, plastic resinous films, and the like, fed from such rolls. Pneumatic...
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3862724 |
APPARATUS FOR CONTROLLING WEB TENSION
Apparatus and method for controlling the unreeling of a roll of web-like material into equipment for processing the web where the equipment exerts a pulling force on the web, including maintining a...
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3836089 |
WEB SPLICING, UNWINDING AND FORWARDING APPARATUS
An improved web splicing, unwinding and forwarding apparatus for unwinding web from a succession of supply rolls and forwarding web uninterruptedly to downstream apparatus at substantially constant...
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3813052 |
WEB TENSION CONTROL SYSTEM
A system for use in controlling the substitution of a replacement roll of paper for an expiring roll of paper, while maintaining essentially uniform tension conditions in the paper web forwarded to...
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3717313 |
COIL UNREELER
An unreeler for coils of a strapping material includes a coil support rotatably driven by a reversible air motor in either an unreeling or a reeling direction, two halves respectively controlling...
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3672596 |
FEEDING DEVICE FOR STRAPPING MACHINE
A feed device for supplying a continuous length of strapping band from a supply reel having an accumulator assembly and an intermittent drive assembly. The accumulator assembly stores a variable...
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3630463 |
WEB-TENSION CONTROL APPARATUS
A web-tension control apparatus for maintaining tension in a web being unwound from a roll in an unwind stand. The stand has a brake for retarding rotation of the roll and a sensory means, such as...
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3627217 |
REEL STANDS
A reel stand for supporting reels on which can be wound webs of paper, metal foil, polythene film or like material, comprises a pair of supporting arms between which two reels are supported for...
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3596848 |
WEB FEEDING MECHANISMS
A web is fed from a reel located on a table about a dancing roller which varies position with tension on the web. The reel is supported on a cushion of air passed through a plurality of ball...
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3528620 |
UNWIND STAND WEB TENSION CONTROL SYSTEM
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3465981 |
DISC BRAKES AND TORQUE VARYING MEANS THEREFOR
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3464644 |
DEVICE FOR WINDING OFF FLEXIBLE MATERIAL
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3455192 |
PAPER WEB UNWINDER SHOE BRAKE
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3446451 |
SYSTEM FOR CONTROLLING WEB TENSION
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3414208 |
Apparatus for controlling the unwinding of web
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3390843 |
Apparatus for controlling the tension of a moving web of material
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3389871 |
Fluid regulating system
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3386681 |
Winder tension control
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3330457 |
Total tension monitor and control system
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3312415 |
Means for controlling the tension of a web
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3289967 |
Tension regulator
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3252415 |
Zoned tension control for printing press
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3240058 |
Continuous tension monitor for webfeeding mechanisms
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3164333 |
Tension control system for web-feeding mechanisms
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3161368 |
Butt splicer
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3160238 |
Pressure actuated disk brake
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3101915 |
Apparatus for controlling tension in a running web
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3083602 |
Precise web metering device
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3081957 |
Wire-feeding apparatus for a machine, such as a packaging machine
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3061227 |
Web tensioning device
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