Abstract: The invention relates to a cutting device for slicing food products, comprising a driven circular blade rotating about a blade axis revolving on a track about a center axis, and a cover element rotatable relative to the circular blade on the side of the circular blade facing away from a product to be sliced. The cover element is driven by an auxiliary drive, such that it rotates relative to the circular blade about the blade axis. The auxiliary drive is diverted from a drive of the circular blade.

Abstract: A cutting arrangement for longitudinally cutting material includes two blades disposed across from one another and which cooperate during cutting. Each blade is embodied as a circular blade having a sharp cutting edge and supported by an adjusting or placement mechanism. During the cutting process, the circular blades are positioned by the adjusting or placement mechanisms so that the cutting edges overlap one another to form an overlap zone, the center of which coincides with the middle of the material that is to be cut. An adaptive control assembly includes individual drive motors for driving each blade and enables constant side load force control for each blade, such that side load pressures are adjustable in response to changes in web sped, web tension, and blade condition in real time. Automatic blade diameter sensors calculate the zero point of the cut, determine the appropriate blade speed and automatically set the overlap.

Abstract: An advancing power saw used for any metal cutting application. The power saw is provided with an oscillating mechanism that drives the saw up and down in a vertical direction. A hydraulic cylinder advances the saw toward the metal being cut while the saw is oscillating creating a circular pathway for the saw blade during the cutting operation. A balancing apparatus is provided in association with the saw blade that advances in an opposite direction to that of the saw blade to act as a counterbalance for the saw. The balancing apparatus has a weight provided at one end which dampens the vibrations created by the saw during the cutting operation and substantially equalizes pressure on the saw blade.

Abstract: A concrete cutting saw (10) includes a wheeled main frame (12) on which a blade support frame (14) is mounted for movement between upper idle and lower cutting positions. Low and high speed blade arbors (16, 18) are rotatably mounted on the blade support frame (14) and each has an arbor head (24, 26) for selectively and alternately mounting either a low or high speed rotary cutting blade without any blade interference with the other arbor head. A drive mechanism (32) rotatively drives the low and high speed blade arbors (16, 18) at low and high speeds such that concrete cutting can be performed at the best rotational speed for the particular job cutting to be performed.

Abstract: A wide-width photographic film is adjusted to have a predetermined supply speed V1 by a sheet feed roller operated by a motor, and it is supplied between upper blades and lower blades. The wide-width photographic film is pressed by an upper blade-pressing mechanism, and it is cut between the upper blades operated by an AC servo motor and rotated at a predetermined circumferential speed V2, and the lower blades operated by the motor and rotated at a predetermined circumferential speed V3. In this process, V1 ×0.1<V2<V1×0.5 is satisfied.

Abstract: A cutting apparatus for cutting a piece of large-sized, printed paper as large as the multiple of a piece of small-sized paper into the multiple number of pieces of small-sized paper each having letters and/or pictures printed thereon such as name cards. The cutting apparatus has two pairs of parallel-arranged rods rotatably supported in its casing. The first pair of parallel-arranged rods has paired sharp blades fixed thereto at a relatively large interval whereas the second pair of parallel-arranged rods has paired sharp blades fixed thereto at a relatively small interval. The two parallel-arranged rods each of the first and second pairs are separated such a predetermined distance as to allow the paired sharp blades to rub circumferentially on each other. A handle is rotatably fixed to the casing, and operatively connected to the two pairs of parallel-arranged rods for turning the paired rods in opposite directions.

Abstract: A variable length rotary cutting system for cutting sheet material in various desired cut lengths, including a knife roll and an anvil roll between which the sheet material is passed for cutting. A drive system drives the knife roll at varying speeds during a cycle of rotation and includes a drive gear and an offset gear mounted in an off-center mounting so as to be rotated at varying speeds by the drive gear. The rotation of the offset gear is transmitted to the knife roll so as to cause the knife roll to rotate at varying speeds about a cycle of rotation to enable the knife roll to cut varying lengths of the sheet material.

Abstract: A method and apparatus for longitudinally slitting a continuously moving shingle of sheets of corrugated paperboard includes a thin, circular rotary slitting blade cooperating with a lower roller assembly which supports the underside of the moving shingle and provides a firm surface to support the shingle against the upper rotating slitting blade. The roller assembly includes an annular circumferential slot in its outer surface through which an edge portion of the upper cutting blade travels with the shingle firmly supported by the roller surfaces on each side of the slot. In an embodiment of the invention for slitting a shingle of preformed knocked down boxes, the lateral edges of the advancing shingle are aligned and the shingle is held for movement into the slitting blade, resulting in extremely good registration and slit quality.

Abstract: A cross cutter for a running web of paper which is transported along a horizontal path has an upper rotary knife holder above and a lower rotary knife holder below the horizontal path. The holders carry knives which extend transversely of the path, and each holder further carries an elastic lip-shaped deflector which is located behind the respective knife and serves to maintain the leader of the web behind the separated length of the web in or close to the path so that the leader can enter a transporting unit which advances the severed lengths of the web to a stacking or other processing station. The lower deflector is installed immediately behind and the upper deflector is spaced apart from the rear side of the respective knife.

Abstract: In a booklet binding machine a flat cover signature is added in leading edge register to a single or collated signatures moving in a travel path prior to saddle folding. The signatures are passed as a unit to a stitching station to be jogged and center stitched. Overlapping pairs of arbor mounted rotary slitting blades at opposing sides of the travel path head and tail trim the signatures during its movement by feed rollers between the pairs of slitting blades. The uppermost arbor and blades are angularly rotated at a greater speed than the lowermost blades to insure a clean cut of the signatures. Cooperating presser rings on the arbors cooperate with the slitting blades prevent buckling of the signatures and strip tail-out of the trimmed edges thereof. Bearings mounting the uppermost presser rings on the upper arbor allow the uppermost rings to rotate at the rate of travel of the lowermost rings.