Matches 1 - 50 out of 85 1 2 >
Match Document Document Title
7611087 Method and apparatus for winding up coreless and soft-core rolls of film materials  
A method and an apparatus f or winding careless and soft-core rolls ( 11 ), of film materials ( 10 ). The film ( 10 ) is made to advance, at differentiate speeds (S 1 , S 2 ), between a first and a...
7118062 Web handling with tension sensing and adjustment  
A system of detecting and adjusting the normal force exerted by a web material around the circumferential surface of a cylinder is provided. Sensors associated with the cylinder surface are wired...
6595454 Optical fiber tensioning device and method of controlling the tension applied to an optical fiber  
An optical fibre tensioning device, receiving at its input an optical fibre from a traction device and capable of supplying the optical fibre from its output to a device for storing the fibre. The...
6486904 Thermal transfer printer that is capable of maintaining intermediate transfer sheet tension constant  
The thermal transfer line printer is provided with tension roller position detection means having tension rollers, rotatable tension roller support frames that support the tension rollers rotatably...
6082657 Wire-feeding device using logical circuitry and multiple sensors  
A wire-feeding device comprises a wire supply, a buffer tension, a plurality of sensors, a driver and a logical circuit. The wire supply is used for supplying a wire. The buffer tension laterally...
5825374 Apparatus and method for advancing a web  
In an apparatus for intermittently advancing a web, only one surface of the web contacts moving parts of the apparatus. The apparatus includes, in a direction of movement of the web, a device for...
5697573 Apparatus for stably transferring belt-like material  
A belt-like material stably transferring apparatus an absorbing and feeding apparatus for continuously absorbing and feeding the belt-like material by use of a difference in air pressure. The...
5505401 Machine for manipulating web material  
A roll-to-roll paper web feeding system for a laser printer. The paper web is unwound from a roll supported in the unwind machine by a single conveyor belt driven at a speed that varies to match...
5464167 Method and apparatus for the jam-free starting of tape transportation  
A tape transport is disclosed which is for use with a magnetic tape cassette. Under some specific thermal conditions the tape cassette may develop gaps between the reel hubs and the tape rolls...
5178341 Winder speed control apparatus  
A speed control assembly for a rotatable web winding apparatus comprising a dancer engaged with a web of material wound about the winder apparatus for displaceably responding within a predetermined...
5062582 Apparatus and method for producing semi-converted diskette liners  
An apparatus and method for manufacturing partially cut (semi-converted) products in continuous roll form has input feeds for supplying a continuous web of material and a continuous transport web...
5032938 Method and apparatus for controlling reel-to-reel tape transportation  
A magnetic head is provided in a tape transport path along which a magnetic tape is transported from one reel directly to another reel. In order to record or reproduce data to or from the magnetic...
4880175 Tension setting and controlling method and apparatus in an automatic winder  
In an automatic winder, the tension device provided on each winding unit has a tenser in contact with a yarn to apply a resistance thereto, and a driving actuator of said tenser member, and each of...
4807107 Apparatus for providing a profiled tape tension without utilizing a tape pack diameter sensor  
A simplified apparatus for providing a profiled tape tension is described which does not require a tape pack diameter sensor. Desired tape tension profile values corresponding to various tape pack...
4801853 Motion control system for reel to reel web transport apparatus  
A motion control system for a reel to reel web transport apparatus which maintains a controlled tension on a web as it is transported between reels. The motion control system includes brushless...
4777413 Tape speed control device  
The tape speed control apparatus according to the present invention is provided with drum period detecting means which detects the speed of the rotary drum by detecting pulses (SWP) for switching...
4752043 Method of and apparatus for winding a precision optical fiber coil  
During the formation of an optical fiber coil on an elongated rotationally symmetrical support element, the tension applied to the optical fiber as it is being wound into the coil is gradually or...
4729520 Method and apparatus for supplying sheet to winding unit  
A plurality of sets of sheet drive rollers including a touch roller for urging a sheet against a core are provided on a running path, along which a sheet is supplied to a core in a shaft drive type...
4722490 Method and apparatus for winding rolls of paper  
An apparatus and method wherein, with continuous measurement of the stretch directly on the web itself and by controlling the unwinding and winding-up speed in the winding-up roll, a predetermined...
4546931 Method and apparatus for coiling a continuous string of molded items about a vertical axis  
A plurality of continuous strings which have been formed in a molding machine are wound about vertical axes. The strings are pulled from the molding machine simultaneously by a first tensioning...
4517436 Laser marker for articles of manufacture  
A machine for marking articles of manufacture such as electronic components is disclosed. The machine has a plate like frame disclosed generally in a vertical plane. The articles to be marked are...
4469291 Apparatus for introducing strip-shaped material into cassettes or the like  
A copying machine admits a web of freshly exposed photographic paper directly into a cassette whose core engages and convolutes the web therearound. The progress of engagement between the leader of...
4448366 Coil diameter tracking system and tension regulation system using such tracking system  
A reel-tension motor drive system embodies circuitry for the instantaneous calculation of the coil diameter of one reel from the instantaneously derived coil diameter of the other reel, thereby...
4437738 Optical rollfiche reader  
An optical film reader for projecting and enlarging micro copy information recorded in rollfiche format on rolls of photographic film or the like which provides a film transport mechanism enabling...
4364527 Tension take-up and speed control  
Apparatus for controlling the tension and predetermined rate of movement of a continuous strip of elongated material being fed to and/or withdrawn from a processing station for processing at a...
4342432 Control system for slitter-rewinder apparatus  
A control system for a slitter-rewinder apparatus which forms a web of material into a plurality of individual rolls, the web being unwound from around a supply core and slit into strips which are...
4275856 Heat transfer labeling machine  
An apparatus for and method of applying heat transferable labels from a web onto a hollow article. The articles to be decorated pass through the apparatus continuously with the label being applied...
RE30422 Graphic recorder  
4. An instrument for graphically recording information by providing a visually perceptable image on a web of flexible, wide sheet material comprising: a pair of spools with flexible wide sheet...
4097005 Web transport system  
A highly compact and functional professional audio magnetic tape transport provides a simple, symmetrical tape path including a pair of reels positioned in side-by-side relationship, a pair of...
4039160 Film transport system  
A film transport system, usable in conjunction with a standard projector incorporating a feed reel and a take-up reel, both of which utilize a braking system providing a continuous drag on the...
4030131 Slack tape loader  
A slack tape loader for a tape transport apparatus has a signal generator selectively energized by a tape loading control switch to produce an enabling signal for a reel motor control servo...
4025005 Web feeding and collecting apparatus for photographic printers or the like  
A photographic printer wherein a web of photographic paper is being withdrawn by advancing rolls stepwise from a supply reel and is fed toward a copying station where successive increments of the...
3982710 Photoelectrophoretic web tension system  
A photoelectrophoretic imaging apparatus web tension system for providing, in a preferred embodiment, constant tension to at least two webs. The drive rolls for each web are driven by a common...
3913866 Cross coupled reels system  
A magnetic tape recorder system which provides constant tape tension independent of reel diameter and eliminates tension sensing devices. A signal proportional to the angular velocity of the supply...
3904145 Apparatus for stepwise transport of webs in photographic copying machines or the like  
Apparatus for transporting webs of photosensitive material in a copying machine has a driven takeup reel which collects exposed material and intermittently driven advancing rolls which withdraw the...
3841583 MAGNETIC TAPE DRIVING SYSTEM  
A magnetic tape drive system for maintaining a tape supply reel at a predetermined rotational speed during the first half of a fast tape winding operation while maintaining a tape take-up reel at...
3815847 RECORDING OR REPRODUCING APPARATUS  
A strip handling apparatus which comprises a drive, a device for receiving a supply reel having a coil of strip and a device for receiving a take-up reel for the strip. The device for receiving a...
3797773 MAINTAINING RIBBON TENSION WITH TAPERED-SHUNT REED SWITCH CONTROL APPARATUS  
Apparatus for maintaining tension in a ribbon which is being wound on an intermittently driven take-up spool. A reed switch having a tapered shunt is used to control a motor which drives the...
3787690 TENSION TRANSDUCER  
A strip tension transducer includes a pair of strip guide rollers around which strip material, in which tension is to be measured, is passed so that the strip path is through the axis of rotation...
3785588 TAPE TRANSPORT REEL SERVO SYSTEM  
In a tape transport system including first and second rotatable tape storage reels, the nonlinear servo mechanism associated with the first reel is enabled during the fast wind mode to control the...
3780959 SUPPLY AND TAKE-UP SYSTEM FOR FILM AND THE LIKE  
A pair of coaxial horizontal disks, driven by respective motors, respectively support a supply coil and a take-up coil of a film strip passing through a projector on its way from the first to the...
3731890 DIGITAL MAGNETIC TAPE TRANSPORTS  
This invention relates to a device for sensing tape position on a reel to reel tape handling mechanism. The device is essentially a tape tension arm angular position transducer having two parts,...
3717314 AIR TURBINE DRIVE SYSTEM FOR TAPE WINDING AND SPLICING MACHINE  
A drive system for transporting tape that is capable of rapidly accelerating to a high speed and of maintaining tension on the tape as it is being transported. The drive system utilizes two air...
3697017 FILM TRANSPORT DECK UNIT  
A film transport deck unit having a driven supply capstan and a driven film advance capstan, each with a pinch roller in driving contact with its capstan to prevent slippage. In each capstan and...
3697016 TAPE LOADING AND UNLOADING MECHANISM  
In a tape transport including the proposed tape loading-unloading mechanism, multiple-loop tape-storage arms are automatically retracted for tape loading and unloading, and then returned to normal...
3695549 TAPE TENSION CONTROL MEANS WITH SENSING LEVERS, PARTICULARLY FOR MAGNETIC SOUND RECORDERS  
A drive for a tape recorder by means of which a recording tape can be fed from a storage reel to a take-up reel or vice versa at different speeds corresponding to the operating functions `normal...
3674221 DYNAMIC STRESS-STRAIN TESTING OF RIBBONS OF FILM  
This disclosure refers to an improved method and apparatus for dynamically, non-destructively testing ribbons of film to determine the stress-strain characteristics of the film under conditions...
3667700 TAPE TRANSPORT APPARATUS  
Apparatus for transferring a flexible tape from a supply reel to a take-up reel including drive motor and brake means for each of the tape reels, a capstan disposed between the reels for effecting...
3661337 SUPPLY AND TAKEUP SYSTEM FOR FILM AND THE LIKE  
A reel system for film and the like includes a pair of film plates or disks mounted on respective horizontal arms of an upright support carrying a pair of turntables drivable by respective electric...
3601333 TAPE-REELING SYSTEM HAVING TAPE TENSION CONTROL  
A tape-reeling system having a tension-control arm which is pivotable in response to a change in tension in the tape, and a motor for applying a takeup torque to the reel through a continually...
Matches 1 - 50 out of 85 1 2 >