Abstract: The present invention concerns a Machine (10, 10?) for simultaneous cutting of a plurality of slabs (18) from a block (B) of stone material through a plurality of band saw blades (11), wherein each of said band saw blades (11) is closed in a loop between a respective driving pulley (12) or a shared driving drum and a respective driven pulley (13) or a shared driven drum, said driving pulleys (12) or said shared driving drum rotating around a first axis (A) of rotation, or respective first axes of rotation parallel to each other, and said driven pulleys (13) or said shared driven drum rotating around the same second axis (A?) of rotation, parallel to said first axis (A) of rotation, or respective second axes of rotation parallel to each other and parallel to said first axes of rotation, said axis (A) of rotation of the driving pulleys (12) or of said shared driving drum and said axis of rotation (A?) of the driven pulleys (13) or of said shared driven drum being in turn mounted on a frame (14) movable with res

Abstract: The present invention includes a chain type cutting apparatus for continuous cutting of a rope of a center-filled consumable product into individual pieces, which includes a first continuous elongate rotary chain with a plurality of first open die cavity portions and a second continuous elongate rotary chain with a plurality of second open die cavity portions. The first and second die cavity portions are mutually engageable to form a closed die cavity about a rope of center filled consumable product, forming pieces. The invention incorporates four main variables, dwell time, chain length, chain speed and the number of closed die cavities in simultaneous engagement. These four variables can be altered to increase the output of the product, as well as maintain a satisfactory seal of the center-filled consumable product.

Abstract: The present invention includes a chain type cutting apparatus for continuous cutting of a rope of a center-filled consumable product into individual pieces, which includes a first continuous elongate rotary chain with a plurality of first open die cavity portions and a second continuous elongate rotary chain with a plurality of second open die cavity portions. The first and second die cavity portions are mutually engageable to form a closed die cavity about a rope of center filled consumable product, forming pieces. The invention incorporates four main variables, dwell time, chain length, chain speed and the number of closed die cavities in simultaneous engagement. These four variables can be altered to increase the output of the product, as well as maintain a satisfactory seal of the center-filled consumable product.

Abstract: Apparatus for longitudinally segmenting a cruciform shaped irradiated boiling water reactor control rod having four elongated blades radially extending from a central spline, into four flat panels. The apparatus employs a double bladed band saw with the band saw blades orthogonally oriented at two different elevations and having one side of each band saw blade crossing over the center of the spline of the control rod in between the control rod blades.

Abstract: A multi-bandsaw machine includes several bandsaws, for cutting a material into a plurality of plates in a single process. At least one side edge of each bandsaw has a plurality of diamond grits, and the bandsaws rotate in a single direction on the multi-bandsaw machine, so as to cut the material with the diamond grits and form a cutting notch on the material. The cutting notch has a depth to kerf ratio at least larger than 100:1 during the process of cutting the material with the diamond grits in each hour.

Abstract: The present invention includes a chain type cutting apparatus for continuous cutting of a rope of a center-filled consumable product into individual pieces, which includes a first continuous elongate rotary chain with a plurality of first open die cavity portions and a second continuous elongate rotary chain with a plurality of second open die cavity portions. The first and second die cavity portions are mutually engageable to form a closed die cavity about a rope of center filled consumable product, forming pieces. The invention incorporates four main variables, dwell time, chain length, chain speed and the number of closed die cavities in simultaneous engagement. These four variables can be altered to increase the output of the product, as well as maintain a satisfactory seal of the center-filled consumable product.

Abstract: In order to improve a saw device with a feed axis for a workpiece to be sawed, with a first saw unit to saw the workpiece in a first sawing plane extending transversely to the feed axis and with a second saw unit to saw the workpiece in a second sawing plane extending transversely to the feed axis, with a central device region arranged between the sawing planes, with a front device region arranged in front of the first sawing plane, viewed in a feed direction, and with a rear device region arranged behind the second sawing plane, viewed in the feed direction, in such a way that as high a cutting efficiency as possible can be achieved, it is proposed that the saw device comprises at least two transport mechanisms arranged in different device regions to transport different workpiece portions along the feed axis.

Abstract: A horizontal meat slicer includes a frame and a lower conveyor belt having forward and rearward ends, the lower conveyor belt operative to receive a meat product thereon and transport it into and through the device. An upper pressing conveyor belt includes forward and rearward ends, the upper pressing conveyor belt and the lower conveyor belt cooperating such that meat product is compressed between the lower conveyor belt and the upper pressing conveyor belt. At least one bandsaw blade is rotatably mounted on the frame, a cutting section of the bandsaw blade traveling between the upper belt and lower belts. Finally, at least one drive device such as a motor is operatively connected to each of the conveyor belts and the bandsaw blade to drive them to pull the meat product through the device and cut the meat product via the cutting edge of the bandsaw blade.

Abstract: A saw mill has a head having at least one saw. The head is configured to travel on a track longitudinally to make alternating cuts between laterally spaced apart first and second work pieces. After traveling forward longitudinally to make a first cut of the first work piece at least one of the heads in the saw move laterally to then cut the second work piece on the return longitudinal trip.

Abstract: A bi-directional cutting band mill apparatus utilizes two band saws mounted on a carriage for cutting horizontal sections from logs through successive back and forth passes across each log as the carriage reciprocates on a lower frame wherein a section of the log is cut with one band saw in one pass and then a next section of the lumber is cut by the other band saw as the carriage travels in the opposite direction in the following pass. The bi-directional cutting band mill apparatus includes structural elements that allow for the coincident raising and lowering of both band saws and structural elements that provide for the sequential and incremental adjustment of each band saw preparatory for cutting the sections from the log so that each respective band saw can be positioned for making the appropriate depth of cut through the section of the log during that respective pass of the respective band saw.

Abstract: A method and an apparatus for dissecting logs in a sawing installation are disclosed. The installation having a reciprocally moving longitudinal conveyor for moving the logs reciprocally through a double band saw assembly utilizing band saw blades having sawing teeth both on a forward longitudinal edge and a rearward longitudinal edge thereof. As a consequence, the log is sawn both during the forward stroke and during the backward stroke of the reciprocally moving conveyor. Between subsequent strokes the band saw blades are displaced radially with respect to the conveying direction such that during each stroke the log first comes into contact with an outward band saw blade and then with an inward band saw blade, both relative to the log axis.

Abstract: A resaw includes a frame having at least one head. The head includes a horizontal mounting beam with four wheels operatively mounted to the mounting beam. The wheels comprise an inner pair of wheels and an outer pair of wheels. The centers of the inner wheels are vertically offset from the center of the outer wheels. A band blade is mounted about the four wheels to define a first blade portion and a second blade portion which are spaced from each other. A single head can simultaneously make two slices in a cant to cut two or more boards from the cant. The inner and outer wheels can be moved as a unit relative to the path of travel of a cant and the inner wheels can be moved relative to the outer wheels to enable adjustment of the thickness of the boards cut from the cant. In variations, the resaw can have two heads, and each head can have one, two, or more band blades. With a two head resaw, four slices can simultaneously be made in the cant.

Abstract: A sawmill for milling a length of sawbolt includes a frame and a plurality of saws movably mounted to the frame. The plurality of saws include bandsaws, edging saws, and chain saws for making various cuts necessary in the milling process. A saw positioning system is coupled to the plurality of saws for positioning the saws relative to the frame. A controller is coupled to the saw positioning system. The controller provides a saw position signal and the saw positioning system positions the saws in response to the saw position signal. A number of log positioning mechanisms are also provided.

Abstract: A bread slicer using endless blades, in which finger holders holding fingers are provided for guiding the endless blades so as to position the blades quickly and accurately. A plurality of endless blades are stretched between a pair of drums and fingers are provided, each finger having engagement pieces for guiding each of the endless blades in engagement therewith so as to position the blades, and each finger is held on a finger holder. The finger holders 1 are slidably positioned on guide bars 2. A spacer shaft is disposed parallel to the guide bars, and rows of plural spacers which are different in terms of width are attached on the spacer shaft. By rotating the spacer shaft, selected rows of spacers can be made to intervene between the finger holders 1. The spacer shaft 5 is rotated after being shifted by an air cylinder.

Abstract: An improved apparatus for cutting conventional pound ice cakes into rectangular blocks suitably sized to be received by commercially available snow-cone shaving machines and the like. An ice cake is placed horizontally upon a tiltable table and then, using an automatic gravity feed, to expeditiously cut the cake into rectangular blocks of prescribed size, with minimal waste. An adjustable horizontal chain saw blade and an adjustable plurality of vertical chain saw blades simultaneously cut rectangular ice blocks.

Abstract: A band saw machine utilizes a column assembly in which the column is integrally formed from steel plate. The blade-carrying pulleys are mounted on one side of the column, which is mounted to pivot about a selected axis. A double-acting saw employs two confronting column assemblies.

Abstract: A dual blade band saw cutting machine which allows two individuals to work on two different objects at two separate work stations within the same machine. Through the utilization of a single variable speed motor and two overlapping triangular rotational patterns, two safe and independent work stations with large working areas, each having its own cutting band, are provided. Additional features of the cutting machine include assemblies for adjusting the tension of the cutting bands, an assembly for varying the speed of the motor, and a display for informing the individuals operating the cutting machine of the rotational speed of the cutting bands in blade feet per minute.

Abstract: An apparatus and method for slicing food products such as loaves of bread and the like where multiple slices are formed at substantially the same time. A blade cleaning assembly is included for removing slicing debris from band slicing blades after having moved through the product being sliced. Multiple blade continuous cleaning by opposed scraper blades through which each band blade passes achieve the desired cleaning function. The apparatus and method are particularly well-suited for removing slicing debris from loaves of bread which are of the so-called no-fat or low-fat variety.

Abstract: An apparatus for slicing a loaf of bread includes a frame, first and second drums rotatably coupled to the frame and aligned in a vertical plane, at least one endless slicing band having a cutting edge being passed around the first and second drums to form a figure eight with an up leg and a down leg with the cutting edge of the band up leg facing in the same direction as the cutting edge of the band down leg. A mechanism is provided for rotating the first drum to drive the slicing band in a circle so that the cutting edge of the band up leg and the cutting edge of the band down leg cross each other at a point. The cutting edges have a horizontal velocity at the crossing point so that the cutting edges can engage and pull the loaf through the crossing point at a predetermined velocity. The apparatus further comprises a conveying element for horizontally conveying the loaf at a predetermined velocity into the slicing band at the crossing point.

Abstract: In an automatic sawmill, logs are first sawn horizontally into pieces that are respectively deposited flat side down on a bed plate and conveyed through multiple, close spaced horizontal bandsaws located above the bed plate. Sawn cants are positioned by clamps to have their waney edges removed by a flying saw after clamp retraction.

Abstract: A hay bale cutting chain with each pair of side links including a cutting link. The chain is without any protrusions other than the cutter portions, e.g. depth gauges and bumper portions are eliminated. The cutting edge, from a side view, is substantially vertical, and the side plate configuration is otherwise without a hook angle. The top plate is terminated short of the chain's mid-point to allow long strands that can get trapped under the top plates of the cutting links to escape. The chain is a small pitch chain, e.g. three-eights inch pitch, and drive at a rapid speed so that small bits are removed that more closely simulate sawdust than wood chips as in typical wood cutting.

Abstract: A multiple bandmill (10) for sawing a log (L) moving past that multiple bandmill. This multiple bandmill includes two pairs of bandmills (20, 22 and 24, 26) located at a common longitudinal position with respect to a log being cut. The bandmills comprising the multiple bandmill are slanted with respect to vertical in the longitudinal direction. The bandsaw blades (50, 52 and 54, 56) of each pair of bandmills within the multiple bandmill cross each other in a X-pattern in the log cutting region (30). One bandmill (20, 26) of each pair is located within the area defined by the other bandmill (22, 24). All four sawlines (12, 14, 16, 18) are made at the same time at a single longitudinal location on the log.

Abstract: A band saw, especially intended for sawing logs with the grain or dividing wood blocks, comprising upper and lower band pulleys (6,4) which can be adjusted relative to one another. Extending around the pulleys is an endless, band-like saw blade (11) which is driven by one (4) of the bandpulleys. The lower band pulley (4) is journalled in a frame structure (3) which can be moved along two mutually parallel guides (13,14) extending at right angles to the feed direction of the material to be sawn. The frame structure carries a post (5) which in turn carries at the top thereof the other band pulley (6). In accordance with the invention the one guide (14) is located substantially vertically above the other guide (13), suitably so that the two guides (13,14) are located in a common vertical plane which passes vertically through the post (5).

Abstract: A band saw (1) for slicing e.g. deepfrozen fish blocks. The band saw comprises two drums (10) arranged on a frame (11) and at least two saw blades (12), which run over the drums beside each other. The saw blades pass through one or several parallel blade guiding units (13) where they are twisted or inclined a predetermined angle (x) relative to the axis of the drum. The guiding unit (13) comprises cylinders (25) having inserts (20-22) which positively guide the saw blades parallel to each other. The cylinders (25) are locked in place by washers (19), which are positioned and aligned by an alignment tool.

Abstract: A method of manufacturing curved wall portions of a heat insulating wall for a container having a curved surface, includes the steps of forming a block of heat insulating synthetic foam material with a contour embracing a section of a container surface to be insulated, cutting the block of synthetic foam material over the contour so as to form a curved blank, coating the curved blank with a baffle layer of the same contour, and finally cutting the coated blank along joining surfaces so as to produce a wall portion with final dimensions.

Abstract: In a bandmill having a column and a pair of arbor-supported wheels carrying and driving an endless saw, a mechanism is provided to move the first wheel relative to the second wheel to accommodate fluctuations resulting from saw loading conditions; the mechanism comprises: a vertical post having one end slidably received in the column; a horizontal plate fixed to the other end of the post; a arbor support fixedly mounted to the plate and having a hinge portion; a tension arm having a first portion attached to the arbor and a second portion extending lengthwise over the plate; and resilient elements located between the second portion of the tension arm and the plate.

Abstract: A plant for slitting a hot slab, emerging from a continuous casting machine, by means of band sawing machines of which two or more are guided in the serial direction of the slab and are slidably guided transversely to the slab feed direction so that saw changing can be performed in a position outside the rollers of the roller table. Normally, all band sawing machines are in the operating position so that a second, third and so on band sawing machine continues the slitting cut if the saw blade of the preceding machine breaks. The band sawing machines are conveniently provided with one-sided, C-frames, each of which has at least three cantilevered guide rollers for the saw blade, of which one roller is driven.

Abstract: A sawmill apparatus includes first and second carriages for supporting first and second logging dogs therebeneath, with the second carriage being movable upon the first whereby to engage the ends of a log between the dogs. The carriages support the dogs at the end of steel baldes which are moved in a vertical direction by a combination of air cylinders and ball screws to provide the desired positioning of the log in a vertical direction. As the carriages urge the log between the blades of a bandsaw, rubber tired wheels are raised against the underside of the log for supporting cants or boards sawn therefrom and preventing splitting at the finally sawn edge.

Abstract: The blade guide invention relates to devices employed in bread slicing machines to guide band blades. Mounting to increase cutting accuracy and providing for increased life and reduced tendency to seize the band blades is achieved by a blade guide (11) with body, guide and attachment portions (16, 17, 18) formed in a unitary construction. The guide portion includes spaced apart prongs (19, 21, 22) with improved wear surfaces (24, 31a, 31b) forming a channel (36a) for the band blade.

Abstract: The invention relates to a method and apparatus for sawing logs having a curved longitudinal length to obtain maximum recovery of sawed planks therefrom. There are provided several sawing stations for handling the curved log including edge sawing, heart split sawing along the curved center line of the log and perpendicular to the edge sawed surfaces to produce two sections having curved center cut surfaces, and dividing sawing each section parallel to the center cut surface.

Abstract: A band saw having a frame supporting a main shaft on which driven wheels of progressively decreasing diameter are rotatably mounted. Idler wheels are journalled on the frame and endless band saw blades are carried by the several driven and idler wheels to provide transversely spaced cutting runs along one side of the frame. Drive is transmitted to one driven wheel, thence through a system of gears to the other driven wheels to move all the cutting runs at the same speed. The driven wheels are rotatably mounted on eccentrics carried by the main shaft and the idler wheels are movable by a cam shaft arrangement relative to one another across the frame. The main shaft and cam shaft are connected by a mechanism which allows both shafts to be rotated simultaneously to shift the position of the several wheels and thus selectively adjust the spacing between the cutting runs.

Abstract: Fabric cutting apparatus for accurately cutting over-cut pattern pieces, including a pair of band knives spaced apart a distance equal to the width of the pattern pieces, and a plurality of clamp members which hold a stack of the over-cut pattern pieces while a continuous conveying means carries the clamp members between the band knives for cutting.

Abstract: An apparatus and method for cutting compressed oriented fibers held in position by a peripheral sleeve and transporting the fibers from the cutting zone by means of a vacuum belt that contacts the ends of the fibers.