Abstract: Disclosed is a method and apparatus for shaping a top surface of a product, such as an antiperspirant or deodorant product, to have a compound-curved shape. The apparatus includes at least one cutting blade which moves inward and outward in a second direction while the product passes by in a first direction perpendicular to the second direction, such that the cutting blade cuts the top surface of the product to have a desired profile in the first direction. The cutting blade itself can have a desired profile along a third direction perpendicular to the first and second directions, to impart to the top surface of the product a desired profile in the third direction. A plurality of cutting blades can be used, to incrementally remove product material to form a final shaped product surface. The product cut off in forming the shaped surface can be reclaimed for re-use.

Abstract: The present invention discloses and provides a dough preparation and dividing machine capable of receiving substantially spherical, filled encrusted dough balls and forming them, with a minimum of dough working, into flattened, "D"-shaped configurations to increase the output of a conventional encrusting and co-extruding device for filled, encrusted dough ball products.

Abstract: A system for handling of cheese in the green state particularly directed for handling natural cheese types such as cheddar and colby in a manner so that they can be conveniently sub-divided and individually packaged, on the same day of manufacturing, into a variety of finished consumer and cheese market sized portions. The system includes the handling of green cheese immediately as it is formed through the processes of batch or continuous cheese making equipment and cheese towers to provide, preferably, 40 to 45 or other selected pound blocks of green cheese. The cheese blocks are immediately handled after forming to eliminate the normally utilized bulk block aging or curing systems. The green cheese blocks are selectively handled and may be placed into temporary bulk block pouches and packaged for future handling or are directed to trimming and cutting devices which will trim and cut the blocks into the consumer, market size units.

Abstract: For the purpose of mass-producing sheet pallets made of a synthetic resin with a high productivity and without difficulty, an apparatus for manufacturing sheets is provided, which apparatus includes a process (1001) to feed sheet materials in a predetermined shape and having corner portions, a process (1002) to form sheets of a desired shape by cutting at least the corner portions of said sheet materials and a process (280) to stack said sheets

Abstract: An apparatus for cutting a sheet of dough and delivering a cut dough portion to a surface of a pan. A cutting ring having a cutting edge is positioned on an upper surface of a pan. A sheet of dough above at least a surface of the pan is pressed against the upper cutting edge to fall onto the dough receiving surface.

Abstract: An apparatus for in-line cropping and/or chamfering of a plastic tube. The apparatus includes pressure rollers for deforming a tube section and cutting devices to perform the cropping and/or chamfering operation. The control of movement of the pressure rollers and cutting devices is carried out by a combination of a face cam and a rotor disc; the face cam and rotor disc have the same diameter and may be given rotary speeds which are related to each other in any desired way. Control is carried out preferably by use of an interference box.

Abstract: The present invention provides apparatus for making printed foods such as cookies, crackers, and snacks at high production speeds on a continuous basis. The apparatus includes a rotary printer which is synchronized with dough forming apparatus such as a rotary cutter or rotary molder.

Abstract: A dough portioning machine includes a plurality of dough feeders for feeding dough under pressure from a hopper to a plurality of orifices. The dough blossoms through an open mouth of the orifice and is cut by a rotating wire moving in a circular path across the orifice mouth.

Abstract: plurality of synthetic-resin strands are made in a nozzle having a housing forming a passage having an upstream end and a downstream end. The downstream end is formed as an elongated slot having a relatively great length and a relatively short width measured perpendicular to its length. An extruder connected to the housing at the upstream end of the passage introduces a fluent thermoplastic synthetic resin thereinto under pressure so the resin exits from the slot in a predetermined flow direction. A plurality of blades are retained in holders on the nozzle immediately downstream of the downstream of the passage at the slot with each blade traversing the slot crosswise of its length. Thus the resin exiting from the slot is cut by the blades into the strands. The holders are adjustable along the slot for horizontally displacing and fixing the blades so as to vary the dimensions of the strands.

Abstract: A cutting and forming device for an apparatus for making buns has a base plate, a rotary annular disc and of die pieces combined under the rotary annular disc and on the base plate such that they can be moved by an operating mechanism, to have their front cutting tips gather closely together or retract thus cutting and forming dough into buns.

Abstract: Apparatus for making food product comprising a closed outer shell and a filling is made from a coextruded body. The body advances through a reciprocating cutting head 3 driven by a reciprocating shaft 10. The shaft 10 rotates to drive, through cam means, blades within the head 3.

Abstract: Apparatus is provided for making a cookie preform from a continuous cookie dough rope by inserting finger means into said rope in a direction generally transverse to a longitudinal axis of said rope and displacing at least selected ones of said finger means at a velocity relative to the velocity of said rope sufficient to stretch said rope to the breaking point to separate said portion from said rope, whereby said portion has at least one surface formed by said stretching action to have a coarse appearance.

Abstract: A method is shown for forming a wiper blade in which a continuous length of elastomer is extruded through a die having a die opening shaped to produce a pair of wiper blades joined in edge-to-edge relation. The elastomer is preformed to produce a weakened mid- section and then cured. The cured elastomer is then separated into two separate lengths of wiper blade by pulling the length of continuous elastomer along the weakened mid-section.

Abstract: This invention discloses an apparatus for the formation of a shaped food product, and the apparatus adopts the helix disc cutters which make their self rotation and orbital revolution and according to the said rotating and revolving movement the passage is formed for opening and closing, wherein more than two kinds of food material are pushed from the extruder, and finally the desirable formation of a shaped food product is obtained after making the most of passage transformations caused by rotation and revolution of two pairs of helix disc cutters.

Abstract: A method is shown for forming a wiper blade in which a continuous length of elastomer is extruded through a die having a die opening shaped to produce a pair of wiper blades joined in edge-to-edge relation. The elastomer is scored in the mid-section thereof to produce a score line and then cured. The scored and cured elastomer is then separated into two separate lengths of wiper blade by dividing the length of continuous elastomer along the score line.

Abstract: Methods and apparatuses are described for manufacturing, from a coextrusion, food pieces wherein an inner food is fully or partially enrobed by an outer food. In one embodiment the inner food is a dough that is enrobed by an outer dough by severing the outer dough with a blunt severing edge on a severing element which, as it enters the coextrusion, simultaneously draws the outer dough over the inner dough on both sides of the element to form the food piece. A coextrusion of an inner dough inside an outer dough is formed below a die with the extrusion of the inner dough periodically interrupted to form a region in the coextrusion where there is a greater amount of outer dough. A pair of severing elements are operatively located at a predetermined distance below the die where convergence of the severing elements cuts the extrusion in a region having a greater amount of outer dough while simultaneously drawing the outer dough over the inner dough above and below the severing elements.

Abstract: An apparatus is provided for fabricating a wide-mouth plastic container, having an annular flange extending radially outwardly at the wide-mouth, from a stretch blow-molded intermediate article, having a dome-like accommodation portion extending radially-outwardly at a flange area and upwardly and inwardly from the wide-mouth of a generally cylindrical body portion. The apparatus provides for a two stage cutting and trimming operation which produces a precision concentric uniform flange around the wide-mouth of the fabricated container and provides for alternately and simultaneously performing the fabricating operations to provide a desired speed of operation of the apparatus.

Abstract: A mass of flowable food material is extruded to form a moving, continuous, flexible extrudate ribbon that is cured to form a continuous, semi-rigid ribbon. During curing, the ribbon is fed between a pair of pull rollers that pull the ribbon at a rate of speed that is faster than the extrusion rate of the ribbon, to thereby stretch the ribbon while being cured into semi-rigidity. The semi-rigid ribbon then is fed between a cutter roller and an opposing backup roller, the cutter roller including outwardly projecting, transversely mounted blades with edges that bias against an outer support surface of the backup roller during cutting. The opposing cutter and backup rollers rotate at substantially the same speed as the pull rollers to cut the semi-rigid ribbon with cuts that are substantially perpendicular to the direction of ribbon travel, thereby forming individual food pieces having substantially planar cut faces.

Abstract: In a method of manufacturing sheets of highly wear-resistant plastics material, particularly for manufacturing covers subjected to wear, such as, for example, belts, straps, shoe soles or the like, the behavior of the sheets, particularly as far as suppleness, wear-resistance and inexpensiveness in the production are concerned, is to be significantly improved over known sheets of leather or rubber. The blanks manufactured from such sheets are to have the same properties. According to the invention, sheets are manufactured in a high-pressure casting method from a mixture of polyol and a filter portion of up to 30% with the addition of isocyanate, chalk being particularly used as filler.

Abstract: In an apparatus for the production of articles from a planar web of thermoplastic material, having heating, hot shaping and punching devices, a web conveying mechanism for stepwisely transporting the web along the substantially planar path through the apparatus includes a plurality of driven stationary conveying units arranged at opposite edges of the web along the path thereof, each conveying unit including a driving wheel and a cooperating free wheeling supporting roller arranged opposite to each other and having their axes of rotation extending substantially parallel to each other and to the plane of the web, the driving wheel having a wedge-like converging circumference with a toothed circumferential edge and connected to a driving mechanism which synchronously drives the driving wheels, and the free wheeling supporting roller having a cylindrical circumference supporting the web in an adjustable position relative to the driving wheel, such that the toothed circumferential edge partly penetrates the web a

Abstract: A machine for producing small dumplings having the shape of helically-grooved spindles, so-called "troffiette", comprising a feeding unit designed to produce roundish raw dumplings from a pre-worked dough and to feed them sequentially to a co-operating forming unit which, first, turns them into plain dough-spindles and, then, into "troffiette" proper, characterized in that said feeding unit comprises a dough-receiving hopper including therein a screw-feeder designed to progressively advance said dough to at least one extruder funnel communicating with the body of said hopper and adapted to expel said dough in the shape of a continuous rod which is cut into pieces by a rotary cutter member arranged at the outlet of said extruder funnel, said pieces constituting the raw dumplings which are sequentially fed through a suitable chute to a conveyor belt exactly at the inlet of the forming tunnel.

Abstract: An apparatus for cutting washers, gaskets, seals and the like from tubular elongate stock having elastomeric properties in which the stock is clamped between two sets of spaced-apart jaws. The jaws are adjustably movable in respect to each other to stretch the tubular elastomeric material. The tubular stock in stretched condition is positioned between a cutting element having plural spaced-apart cutting blades and a cutter block in registry with the blades so that as cutting proceeds, a plurality of precision annular end products are produced with uniform thickness and with the cut surfaces all substantially precisely and repetitively parallel and accurate.

Abstract: Apparatus for making flexible plastic bags with integral pressure interlocking rib and groove elements on the confronting top edges, comprises an extruder for extruding a continuous tube with pairs of closely spaced interlocking elements on the surface of the tube, the total pairs being a multiple of 2 with at least 4 pairs on the tube, a slitter for slitting the tube lengthwise between profiles of alternate pairs, and a folder for folding the tube between each adjacent pair and for bringing the profile adjacent the slit over onto the closest profile of the pair which has not been slit.

Abstract: Round dough pieces having an inner portion enveloped by a dissimilar outer portion are formed without generating waste by continuously extruding two dissimilar materials to form an extrudate rope having a core of one material and an outer tube of the other material, depositing the extrudate rope on a continuously moving conveyor, pinching the extrudate rope at predetermined intervals to form spaced sections of reduced width, and separating the extrudate rope into individual dough pieces at said reduced width sections.

Abstract: There is provided an improved apparatus for forming foldable box blanks from a thermoplastic sheet by forming flexible fold lines in the thermoplastic sheet, with the apparatus including a plurality of scoring tools and a flat plate having a plurality of grooves formed therein opposite to the scoring tools. In addition, the apparatus includes means for heating the scoring tools to less than the melting temperature of the thermoplastic sheet. In this manner, when the heated scoring tools engage the thermoplastic sheet, it is deformed on its upper surface by the scoring tools and on its lower surface by the grooves in the grooved plate to form a plastic sheet having the desired flexible fold lines.

Abstract: Apparatus for making a tubular plastic sheath having one or more imperforate panels around the periphery of the sheath with intervening plastic net connecting the imperforate panels, the apparatus including an extruder, perforating means and stretching means, the improvement being extrusion means to form bands of different thickness asbout the sheath the perforation means being positioned such as to perforate only bands of one thickness.

Abstract: A strip component is extruded through a heated roller die apparatus and fed onto a heated anvil roll where a rotatable knife blade is pressed against the surface of the anvil roll to trim the strip component.The cutter may have a rotatable knife blade mounted on an arm pivoting about an axis spaced from the surface of the anvil roll for swinging the knife blade into and out of engagement with the strip component on the anvil roll surface. A weight may be attached to the arm for holding the arm down on a stop member in the operative position of the cutter. A number of knife blades may be adjustably mounted on a knife shaft supported by a pair of pivot arms for cutting the strip component at a number of positions across the anvil roll. Alternatively each knife blade may be supported on an individual knife holding body with the knife blade being rotatably mounted on a knife supporting arm which is pivotally mounted on the holding body. The knife supporting arms may also be individually depressed and retracted.

Abstract: Rollers each having a plurality of radially extending vanes are arranged in pairs to define a downwardly extending path therebetween which progressively reduces in width from the top to the bottom, so that a material of a foodstuff is compressed while being fed downwardly by the roller pairs through the path. A horizontal conveyor belt lies below the path and is indexed to transfer a predetermined cut length of the material to a shaping station where the material is pushed up into a shaped cavity of a flexible cup member. The flexible cup member is embraced by presser members to shape the material under a preselected adjustable table pressure. The resulting block of material attains hardness and shape which would be provided by hand-shaping.

Abstract: A runner structure composed of a runner and a sprue is discharged from an injection molding machine into a chopping apparatus having a first cutter mechanism and a second cutter mechanism. The runner structure is guided by a guide mechanism in the chopping apparatus toward the first and second cutter mechanisms. The sprue is cut off from the runner by the first cutter mechanism, and then the runner and the sprue are chopped by the second cutter mechanism. The first cutter mechanism has a lower cutter for stopping the runner structure by engagement with the sprue, and an upper cutter movable into coaction with the lower cutter for cutting off the sprue. The second cutter mechanism includes a feed roller for feeding the runner intermittently and a cutter reciprocably movable for chopping the runner on the feed roller. The chopped pieces are discharged through a hopper and delivered into the injection molding machine for recycling.

Abstract: A method and apparatus are described for cutting the web remaining from a plastic sheet containing thermoformed articles into strips, loosely indexing and aligning a plurality of thermoformed articles in each strip with article punches, sequentially isolating the articles from each other so that they have complete freedom of movement in both across-machine and machine directions, exactly registering the articles with the article punches in a selected sequence, precisely trimming the articles from the plastic web, and ejecting them from the apparatus.

Abstract: Green brick newly formed by pushing a slug through a wire cutter, have their longitudinal edges shaped by means of a plurality of rollers positioned above and across the path of conveyance of the bricks so that each roller simultaneously engages the adjacent edges of two adjacent bricks. The shape imparted to the brick edges is governed by the shape of the peripheral portions of the rollers. The rollers are mounted on a shaft at fixed locations along the shaft in alignment with the wires of the wire cutter. Before operation the locations of the rollers along the shaft may be adjusted through spacers in order to adapt the rollers to different sizes of bricks. The roller mounting shaft may be adjusted in a vertical plane towards or away from the conveyor path to adjust the depth of the rollers for a specific operation or to sufficiently raise the rollers away from the conveyor path where they may be kept idle when not in use.

Abstract: A process for preparing thermoplastic piping for recovery of the thermoplastic in which the piping is cut into a continuous spiral ribbon with straightening of this ribbon to be without substantial curvature and cutting of the straightened ribbon into pieces. Preferably, the process produces pieces of thermoplastic of sufficiently small size to be suitable for feeding to an extruder. An apparatus for preparing thermoplastic piping for recovery of the thermoplastic which combines means for cutting the thermoplastic piping into a continuous spiral ribbon with means for straightening the spiral ribbon so that it is without substantial curvature and means for cutting the straightened ribbon into pieces.

Abstract: This invention relates to an apparatus for forming soft and sticky food material such as kneaded mixture of water and rice flour, wheat flour, etc., into globular shape in formation chambers in the form of pipe. Four crossing members constitute one group and create a formation chamber in the form of pipe. The crossing members on one side of the formation chambers are made to reciprocate in the opposite directions to those on the other side thereof, while touching, whereby the material is kneaded into globular shape,.

Abstract: A tinsel facetting apparatus and method for use in facetting a metallized polyvinyl chloride (PVC) strip including a pair of serrated rolls having a thermal element located in each roll. The PVC strip is facetted as it travels between the two rolls which are maintained at a predetermined temperature determined by the color of the PVC strip. The apparatus and method further provide for timed slitting of the PVC strip into spaced sections constituting facetted icicles, each spaced section separated from the next by a header portion and timed cutting the PVC strip into segments including a spaced section and an unslit header portion so the facetted icicles hang freely from the header portion.

Abstract: The processing of thermoplastic materials by working the thermoplastic materials into a hot flat sheet. The sheet material is first deformed or scored into a series of parallel strands that are interconnected by thin ribbons of the thermoplastic material thereby retaining integrity of the sheet material. The sheet material is then severed along the score line of the thin ribbons to form parallel strands which are cooled and guided to a fly cutter which cubes the strand material.

Abstract: An apparatus produces a continuous plurality of generally rectangular dough elements of a controllable weight from a continuous and irregular mass of dough. The invention includes separate forming, dividing, and cutting portions. The forming portion includes multiple rollers disposed both normal to as well as parallel and traverse to the path of movement of the dough which form the irregularly-shaped dough mass to have a uniform width, depth, and consistency. The dividing portion includes a horizontally-disposed, multichannel dividing drum and a plurality of compression rollers which divide the dough from the forming portion into multiple strips of uniform cross section. The cutting portion includes a multiblade assembly having the shape of and being occludable with the channels of the multichannel drum. The blades are driven at constant speed in a planetary fashion whereby the only motions of the blades relative to the strips of dough passing through multichannel drum are inward and outward.

Abstract: Cutting wire for a brick and tile cutting and setting machine is wound on supply spools. A plurality of the supply spools are mounted below the cutting frame of the machine. The supply spools are braked to prevent rotation by inflatable brake hoses. When the hoses are inflated, they push against the spool. The wire from the supply spool extends across the cutting frame to a take up spool. The take up spools are mounted on a shaft for rotation. After a set number of bricks have been processed, the wire is spooled from the supply spool to the take up spool so that new, unworn wire is stretched across the cutting frame. The wire on the supply spools is held in place by a flat spring which prevents the wire from unwinding.

Abstract: Methods and apparatuses for making decorative grass or grass-like product in the form of strips of plastic material of predetermined dimensional characteristics having color, anti-static agents and flame retardants incorporated therein prior to extrusion of the resin thereby preventing rub off of the color and minimizing clinging of grass to the hands and clothes of a decorator. One method and apparatus for making the grass includes an extruder for plastic material and including a film extrusion die or a strand extrusion die. When a film is extruded, the film is cooled and slit longitudinally into strips of predetermined width. In another method, the extruded strips or strands are cooled. In all methods, the plastic strips pass through a slow godet, a drawing oven and a high speed godet to enable the strips or strands to be drawn down in width and thickness without breaking. From the high speed godet, the strips or strands are chopped to a desired length and conveyed to a storage area.

Abstract: An apparatus and method for automatically removing flash from a plastic weld bead formed around the outer periphery of a heat seal juncture between a plastic cover and container of a lead-acid battery cell. The container and cover are automatically positioned with respect to a first set of spaced, heated platens, which are then driven laterally across a first pair of opposed surfaces of the cell along the weld beads formed on these surfaces. The cell is then automatically positioned with respect to a second set of spaced, heated platens, which are then driven longitudinally across a second pair of opposed surfaces of the cell along the weld beads on these surfaces, whereupon the cell is automatically removed.

Abstract: A process and tooling to carry on said process for producing direct from extrusion an open groove plastic cylindrical section which consists in extruding the material around cylindrical pins arranged along a circle and protruding downstream with respect with the die opening and drawing the deformable structure along inner cutters located in the ducts formed by the pins to cut the material between the duct and the outside and further drawing said still deformable structure around flexible wires free to fill said slitted ducts.

Abstract: A process for the continuous production of a hose formed and vulcanized on a mandrel, comprising continuously forming and advancing a hollow mandrel, continuously forming said hose about said mandrel and continuously vulcanizing said hose while advancing said hose in axial direction with said mandrel, after said mandrel arrives at a predetermined location continuously destroying said mandrel within said hose, and removing the remnants of said mandrel from said hose. The mandrel may be formed of a brittle material such as sintered metal or of a relatively low melting material and its destruction can be effected by longitudinal severance into strips and/or melting by induced current and/or fragmentation by ultrasound. Alternatively the mandrel may be made of soluble material and subsequently dissolved away. Endless reinforcements may also be circulated and the mandrel formed so as to partially embed said reinforcements. Corresponding apparatus is provided.

Abstract: A continuous, moving length of substantially rigid thermoplastic synthetic resin material is marked with a hot die at spaced intervals along its length. The hot die is mounted for movement parallel to the direction of movement of the sheet from the sheet forming apparatus, and is actuated in coordination with a sheet cutter which cuts the continuous length into individual sheets so that a die mark is provided at the desired position on each sheet cut from the continuous length.

Abstract: The apparatus includes a first conveyor for carrying dough portions in a first direction, and a second, endless conveyor for carrying the dough portions in a second direction out of plane with the first direction, the second conveyor having a pickup end immediately adjacent the first conveyor and a discharge end for delivering the dough portions to the pans. The cross-sectional dimension of the second conveyor at the pickup end is relatively thin, in order to insure that all of the dough portions are conveyed onto the second conveyor. A third conveyor is provided having a pickup portion underneath the discharge end of the second conveyor, such that pans fed onto the third conveyor receive the dough portions from the discharge end of the second conveyor.

Abstract: A device for the production of corrugated, protective separators for batteries which are made of woven polyester material. The device is provided with two alternating sets of shaping rods and two sets of clamping jaws which are movable in both the vertical and lateral direction. A third set of jaws is movable only in the vertical direction. The shaping rods are inserted into alternating channels in the material while the material is securely held by the clamping jaws and the material is hardened by means of a furnace. Once the channels are heat set, the shaping rods are withdrawn and the separator is severed by means of a cutting unit. A new piece of material is then positioned for similar fabrication.

Abstract: A noodle making machine for vertical mounting in a kitchen area designed to move and shape a lump of noodle dough into a strip or flat and pass it downward through pairs of rollers having progressively narrower spacing and progressively increasing speed to narrow and stretch the dough prior to introduction into noddle cutting rollers. Roller cleaning and clearing blades, together with funnel type guides, insure downward progress of the dough. The roller speed progression preferably has an exponential relationship to insure proper progress of the dough.

Abstract: Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament, the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exposed on an exterior surface. The dosage forms have a consistency of release of medicament which can be controlled to exacting specifications. The disclosed solid dosage forms are prepared by high speed automated equipment and the process by which they are made is characterized by non-destructive quality control analysis and performance evaluation both conducted on-line and integrated into the manufacturing operation. Included in the scope of the disclosed invention are certain apparatus and methods of manufacture.

Abstract: Apparatus for rolling, forming and severing a product such as comestible dough. A mass of unformed dough is placed on a conveyor belt above which a rigid board is supported and inclined downwardly in the direction of movement of the belt whereby the dough is rolled, as it passes under the board, into a cylinder having a diameter corresponding to the spacing between the belt and board at the exit end. The cylinder of dough is then deposited at the opposite end of the apparatus to pass between a pair of spaced rollers, thus being rolled into a sheet. A guide roller receives the sheet of dough emerging from between the forming rollers and guides it toward a plurality of cutter disks. The dough is severed into side-by-side strips as it passes between the guide roller and cutter disks and is deposited on the same conveyor belt used in the initial rolling operation for transport to a final receiving station or pan.

Abstract: An improved cutter for hot plastic strands is provided which uses an annular die plate having a plurality of strand-extruding openings, the openings being generally coplanar. A rotating cutter is provided adjacent the die plate with cutting knives resiliently tensioned toward the face of the die, the cutter being adjustably mounted relative to the die in a manner to provide highly accurate adjustment and to minimize thermal movement of the die relative to the cutter.

Abstract: Synthetic plastics film manufacturing plant comprising material feed means, preferably in the form of a screw extruder and rolling mill, feeding a sheet material to a multiple roll calender, the multiple roll calender comprising seven rolls comprising four bottom rolls disposed in an L-shape, one of which four bottom rolls provided in the foot of the L, is an input feed roll, and three rolls disposed one above the other with their axes disposed substantially in the same vertical plane, the lowest roll of said three other rolls being disposed in a horizontal juxtaposition and in rolling contact with the topmost roll of said four bottom rolls and on the same side thereof as the input feed roll.

Abstract: A blow molding machine having plural molds cyclically movable past an extruder for delivery to those molds of a tubular plastic parison includes a reciprocating blade which, upon interruption of the motion of the molds, is set in motion across the path of the parison emerging from the extruder to chop the parison into fragments and with a retractable trough for collecting the fragments for recycling or other disposition.