Tool Co-axial With Work-conveying Means Patents (Class 83/430)
  • Patent number: 6626096
    Abstract: A ticket making apparatus includes a feed mechanism and a perforating assembly set within a housing that has an opening through which tickets are dispensed. The perforating assembly perforates a flexible material to define individual tickets. The apparatus can also include a slicer assembly to slice the flexible material into strips of tickets. The apparatus can also include a printing mechanism for adding print to the flexible material. A method for making tickets includes feeding a flexible material into a perforating assembly and dispensing the perforated material as a plurality of tickets. The method can also include synchronizing the flexible material to the rotation of the perforating assembly, slicing the flexible material into strips of tickets, and printing on the flexible material.
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: September 30, 2003
    Inventor: Stephen P. Shoemaker, Jr.
  • Patent number: 6209433
    Abstract: A rotary die cutter, comprising a frame, an anvil roll revolvably attached to the frame, a die roll revolvably attached to the frame and positioned in operable contact with the anvil roll, and a drive mechanism for revolving the anvil roll and the die roll. The apparatus further includes an engagement mechanism for selectively engaging and disengaging the drive mechanism from driving the anvil roll and the die roll. The engagement mechanism preferably includes a single revolution clutch that is released by energizing a solenoid. The invention further includes a method of die cutting product comprising the steps of turning a motor, feeding the product sheet between an anvil roll and a die roll and unlatching a clutch to engage the motor with the anvil roll and die roll.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: April 3, 2001
    Assignee: Delta Industrial Services, Inc.
    Inventors: David Schiebout, Daniel Then, Timothy Howard
  • Patent number: 5762111
    Abstract: A weft cutting apparatus contains a first and a second cutting blade as well as a drive element which is connected to the second cutting blade and can be driven by the cloth directly. The cutting process is thereby synchronized with the speed of the cloth. The apparatus is arranged in a weaving machine in the region of the path of the cloth, wherein the apparatus can be placed at a suitable position independent of the weaving machine drive.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: June 9, 1998
    Assignee: Sulzer Rueti AG
    Inventor: Martin Frischknecht
  • Patent number: 5152206
    Abstract: A vinyl trim salvage machine is provided for salvaging vinyl from defective or used vinyl trim for automobiles. The machine includes spaced cutting edges which are mounted for rotation relative to a vinyl trim guide channel so as to engage and move the vinyl trim therebelow while simultaneously severing longitudinal metal crimped edges from a central vinyl portion whereby the central vinyl portion can be reground and reused.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: October 6, 1992
    Assignee: Midville Tool & Die Co., Inc.
    Inventor: John I. Mulling
  • Patent number: 5123319
    Abstract: A circular saw shaft for cutting wood comprises a motor-driven shaft and a ircular saw blade mounted on the shaft. A support disk is mounted on the shaft in spaced relationship to the saw blade to apply to the wood a supporting force in a direction extending parallel to the axis of rotation of the shaft. The support disk can be fixed to the shaft, or biased along the shaft axis by springs. In lieu of springs, the support disk could be elastically flexible.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: June 23, 1992
    Assignee: Gebruder Linck Maschinenfabrik "Gatterlinck" GmbH & Co. KG
    Inventor: Alfred Reuter
  • Patent number: 5107735
    Abstract: A device for high speed automatic wire and cable insulation stripping. The device has pairs of infeed and outfeed cutting assemblies that engage and cut the insulation at multiple points in a two stage process. The cutting devices have multiple parallel space cutting edges that initially remove a strip of insulation insuring rapid removal of the remaining material.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: April 28, 1992
    Inventors: John Ramun, Michael D. Ramun
  • Patent number: 5078001
    Abstract: Two-out terminal strip (44, 44') is produced by stamping and forming the strip such that the terminals (40) on one of the side edges (36) extend laterally in a first direction of the plane of the stock strip (124) and the terminals (40') on the other side edge (36') extend laterally in a second direction which is the opposite of the first direction. The two-out strip is slit along the centerline (30) of the central carrier portion and the resulting single strips (44, 44') of terminals are wound on reels (46, 46'). One of the strips (44') is wound by rotating the reel (46') in a clockwise direction and the other strip (44) is wound on a reel (46) by rotating the reel in a counterclockwise direction. The two strips will then be in the same orientation on their respective reels and re-reeling of one of the strips is not necessary.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: January 7, 1992
    Assignee: AMP Incorporated
    Inventor: Johannes C. W. Bakermans
  • Patent number: 5054351
    Abstract: Tire cutting apparatus comprises first and second tire locating members, a tire cutter on one of the tire locating members and a tire drive. The tire locating members are relatively moveable between a loading position, in which the members are separated to allow location of a tire therebetween and a cutting position, in which the first tire locating member engages an inner surface of a tire and the second tire locating member engages an outer surface of a tire. With the tire locating members in the cutting position the cutter cuts through a portion of the tire between the members and the tire drive effects relative movement of the cutter and the tire to produce a circumferential cut in the tire and thus cut the tire into two separate parts. The cut is preferably located around the tread of the tire such that the two separate halves may be stacked, one inside the other.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: October 8, 1991
    Assignee: MRP Recycling Technologies Inc.
    Inventors: William C. Jolliffe, Steve Mandich, Kazuhide Obukuro
  • Patent number: 5054700
    Abstract: An apparatus for severing envelope edges in continuous fashion comprises a plurality of devices for severing an envelope edge and a conveyor mechanism for carrying envelopes past the plurality of severing devices, and for rotating the envelopes to present envelope edges to the plurality of severing devices in orientations which permit the edge-severing of each presented envelope edge. Also a severing device for use in connection with the severing apparatus.
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: October 8, 1991
    Assignee: Opex Corporation
    Inventor: Robert R. DeWitt
  • Patent number: 5009139
    Abstract: An apparatus for orienting a check which has attached to it a corroborating paper strip in a manner such that the check and the paper strip are aligned relative to a cutting station to permit the check and the attached strip to be automatically presented to the cutting knife in a precise location such that the knife can automatically cut the check at the location of the intersection of the check edge and the edge of the corroborating paper strip and thereafter separate the two and cause the detached check to be sent to one processing station while the detached corroborating paper strip is sent to a waste paper station.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: April 23, 1991
    Inventor: Yosi Nissim
  • Patent number: 5007318
    Abstract: An edge trimmer for trimming the side edges of a running length of metal strip having upper and lower rotary shearing cutter discs engaging the top and bottom respectively, of the strip being trimmer includes top and bottom cylindrical strip stabilizers mounted coaxially with the cutter discs engaging the top and bottom surface of the strip adjacent the trim line, and a movable holddown roll disposed inboard of the top strip stabilizer and cooperating with the lower strip stabilizer to stabilize the strip at a location spaced inward from the trim line. The holddown roll is movable between an operable position engaging the strip and an inoperable position permitting access to the cutter disc for servicing.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: April 16, 1991
    Assignee: National Steel Corporation
    Inventors: Laurence C. Cox, Raymond Dugan, Daniel D. Evans, Robert Griffith, Terry L. Handley, Jeffrey J. Leeper
  • Patent number: 4959986
    Abstract: A machine for cutting a relatively wide sheet of material into a plurality of relatively narrow strips to reduce bowing and camber in the cut strips is disclosed. The machine supports and moves the material along a path defined through the machine. The material initially engages a first pair of furrowing disc sets disposed on opposites sides of the sheet, which form a plurality of shallow furrows in the sheet as it passes therebetween. The material next engages a pair of slitting disc sets, also disposed on opposite sides of the sheet, which cut the relatively wide sheet into a plurality of relatively narrow strips as it passes therebetween. The slitting disc sets also engage and firmly hold the sheet near the furrows during the cutting process. Lastly, the material engages a second pair of furrowing disc sets which also engage and firmly hold the sheet near the furrows during the cutting process.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: October 2, 1990
    Assignee: Dana Corporation
    Inventor: Daniel Kranis, Sr.
  • Patent number: 4784318
    Abstract: Rectangular drawings of standard dimensions or formats can be automatically cut out of a continuous paper or plastic web (1) by a transverse cutter (9) and a plurality of longitudinal cutters (26), as directed by coding (20) on the edge of the web. The cut-off strips (23) of scrap made by transverse cutter (9) are directed away by a movable deflector (13). Additional deflectors (62) are provided downstream, in web motion direction D, of the longitudinal cutters (26) and serve to separate the scraps (23, 25) produced by the longitudinal cutters from the drawing forms (A0-A4) which have been trimmed on all four sides. Thus, manual separation of the drawings from the surrounding scrap is obviated.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: November 15, 1988
    Inventor: Otto Bay
  • Patent number: 4757732
    Abstract: An apparatus for slitting a web material to a desired width comprises a pair of movable frames each holding a pair of coacting upper and lower slitting edges, and a plurality of rotatable spacer rollers which are positionable selectively between the left and right slitting edges so as to support the web material being slit. The movable frames can be symmetrically moved toward and away from each other so as to adjust the distance between the left and right slitting edges to a desired width to which the web material is to be slit. In accordance with the adjusted distance, the rotatable spacer rollers can be posititioned selectively between the slitting edges, thereby supporting the web material over substantially its entire width.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: July 19, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Shinichi Arima
  • Patent number: 4658685
    Abstract: A device for longitudinally cutting web material, especially paper and cardboard webs with at least one rotating circular knife pair consisting of a freely rotating point knife that enters the material during the cutting process and a pot knife that rests on a power-rotated hub element. To reliably preserve, with simple means, an initial basic or zero adjustment subsequent to regrinding or replacement of the pot knife, the cutting surface of the pot knife rests axially against a contact surface that is stationary in relation to the hub element.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: April 21, 1987
    Assignee: Jagenberg Aktiengesellschaft
    Inventor: Jakob Bodewein
  • Patent number: 4651790
    Abstract: A device for machining elongate rods has a feed means defined by a track and a plurality of V belts which feeds the rods in an uninterrupted succession one behind the other in a feed direction transverse to their longitudinal axes. The track defines a an arc of a circle adjacent the machine tools which is parallel to the circular machining path of cutting elements of the machine tools.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: March 24, 1987
    Inventor: Karl Muller
  • Patent number: 4644837
    Abstract: The invention relates to a device for the burr-free cutting of strip-shaped material, especially made of metal, which has, for each cut, two pairs of circular knives on axis-parallel knife shafts. The strip-shaped material is cut into by the first pair of circular knives in the first parting step and is severed in the opposite direction by the second pair of circular knives in the second parting step. The characteristic feature of the invention is that the counter-knives of the two pairs of circular knives are arranged on a common knife shaft so as to rest against one another, and that they consist of an outer rigid, especially metallic, cutting ring and of an inner annular elastomeric hub part.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: February 24, 1987
    Assignee: Karl Jungel GmbH & Co. KG
    Inventor: Werner Krus
  • Patent number: 4643845
    Abstract: A method of and an apparatus for cutting a high-activity solid waste, such as a used channel box and a used control rod, to reduce same in size to facilitate its disposal. The channel box is cut axially through opposing corners to produce elongated split portions of an L-shaped in cross section, and the control rod is cut axially through a central portion to produce elongated split portions of an L-shape in cross section. The portions obtained by cutting the channel box and control rod are substantially similar in shape and facilitate storing.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: February 17, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Tatsuyuki Omote, Tomiharu Yoshida, Isamu Shimizu, Kichinori Metoki
  • Patent number: 4566471
    Abstract: A cutting apparatus for cutting tobacco leaves into small pieces. The cutting apparatus has a feed belt conveyor including a plurality of parallel narrow endless belts. At the tail section of the feed belt conveyor is provided a pulley on which a plurality of lower rotary cutting blades are coaxially mounted. The diameter of the blades is larger than that of the pulley and each lower cutting blade projects from between adjacent narrow endless belts. There are further provided a plurality of upper rotary cutting blades above the lower rotary cutting blades and each upper rotary cutting blade overlaps each corresponding lower rotary cutting blade. The endless belts are led to proceed from the pulley but not to proceed beyond the outfeeding edges of the lower rotary cutting blades and then return to the head section after they pass the overlap section.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: January 28, 1986
    Assignees: The Japan Tobacco & Salt Public Co., Tokyo Shisetsu Kogyo Kabushiki Kaisha
    Inventors: Takeo Kumasako, Kiyomi Sato, Akira Kawakatsu, Akinori Sato, Isamu Mamiya
  • Patent number: 4559855
    Abstract: In a copier with a copy sheet output slitter for slitting the copy sheets outputted by the copier into a selected plural number of smaller sub-sheets cut in the direction of movement of the outputted copy sheets, and wherein the output slitter also optionally provides uncut copy sheet output, and provides a transport path for both cut and uncut copy sheet output, the improvement wherein the output slitter comprises a plurality of first generally cylindrical metal rollers rotatably driven on a first shaft and a second plurality of generally cylindrical metal rollers on a second shaft parallel to and spaced from the first shaft, the spacing and the diameters of these rollers being such that the first rollers interdigitate the second rollers, the first and second rollers having sharpened opposing radial end surfaces selectively forming paper slitting shears therebetween by end-abutting selected ones, or none, of the first and second rollers by selective movement of rollers along the axis of at least one of the s
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: December 24, 1985
    Assignee: Xerox Corporation
    Inventor: Richard A. Schieck
  • Patent number: 4501177
    Abstract: A system for trimming the edges of a metal strip and chopping the trimmed metal into small pieces. The system includes an automatic twin-edge trimmer, two chutes fastened to the trimmer and a scrap chopper. The twin-edge trimmer comprises two sets of coacting rotary slitter knives, one set for each edge of the strip and a backup roll adjacent to each knife in order to hold the strip flat while the cuts are being made. There are two mirror image chutes, each of which receives trimmings from one edge of the strip. Each chute is shaped and fastened to the trimmer in such a way that it completely surrounds the trim cut by the edge trimmer. The chutes are inclined downwardly at an angle with respect to the plane of the strip that matches that of the trimmings. The scrap chopper receives trim from both chutes and cuts the trim into small pieces. One edge trimmer is mounted for lateral movement with respect to the strip during trimming to provide an "on-the-fly" adjustment in the width of the strip thus trimmed.
    Type: Grant
    Filed: October 26, 1982
    Date of Patent: February 26, 1985
    Assignee: Kennecott Corporation
    Inventors: Russell J. Logan, Arthur J. Glass
  • Patent number: 4492135
    Abstract: A high speed slitter for slitting large sheets (3) of thin metal into rectangular strips has pairs of rollers (10, 10') mounted on parallel, driven shafts (12, 13). Each roller has a hub (98, 98') carrying a cutter ring (100, 100') with a circular cutting edge (112). A draw ring (92, 92'), cooperating with the opposite cutting ring (100', 100) to draw the sheet between the rollers, consists of a resilient ring (94, 94'), gripping the hub but capable of slipping around it when subjected to sufficient appropriate force, and a steel tire (96, 96'), carried only by the resilient ring and engaging the sheet. The tire can be deflected radially by virtue of the resilient ring.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 8, 1985
    Assignee: Metal Box Public Limited Company
    Inventors: Ian D. Ginn, Leonard Gleave, Leslie Woods
  • Patent number: 4422581
    Abstract: One aspect of the invention is a tire debeading machine (10). A tire is supported on a guide apparatus (15) and raised to an operative position by the action of a support arm (21). A cutting blade (33) is moved against the sidewall of the tire, cutting off the bead. After the initial cut is made, the tire is raised slightly further by the combined action of an initially interlocking vertical arm (75), which extends from said support arm (21), and a roller (71) on an L-shaped arm (69). The further cut by blade (33) is closer to the bead. Another aspect of the invention is a granulating machine which includes three feed rollers (93) (95) (97) which feed the debeaded tires into a cylindrical cutting chamber (106). Inside the cutting chamber (106) are a plurality of rotary cutting blades (127) mounted on mounting plates (130), which cooperate with stationary cutting blades to produce granulated rubber particles and fiber particles.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: December 27, 1983
    Inventor: Milton R. Chryst
  • Patent number: 4381605
    Abstract: A shearing machine for shearing sheet material, comprises a body (1) and to co-operating shearing wheels (5, 6) between whose shearing edges (41, 42) the sheet is cut. The stand (1) comprises a first part (2) and a second part (3), which are laterally offset from one another, and an intermediate horizontal connecting part (4). The shearing wheels (5, 6) are axially offset from one another and have their shearing edges (41, 42) in tangential contact with one another. The intermediate horizontal stand part (4) forms a wedge-shaped deflector and has its leading edge (27) disposed in line with and at a distance from the nip (28) between the shearing wheels (5, 6). The shearing machine is free from structural elements on either side of the shearing wheels (5, 6), thus enabling sheet of any width to be cut.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: May 3, 1983
    Inventor: Folke Holm
  • Patent number: 4290906
    Abstract: Apparatus including two types of cutting means or roller cutters and shears for cutting a channel box for a fuel assembly for a nuclear reactor and method therefor. The roller cutters and shears are located in the lower portion of a casing having inserted thereinto the channel box from which the fuel assembly has been removed, with the shears being located beneath the roller cutters. The roller cutters continuously cut the channel box axially thereof, while the shears shear the axially-split portions of the channel box in a direction intersecting the center axis of the channel box. Means for outwardly expanding the axially-split portions of the channel box is provided between the roller cutters and the shears. Means for downwardly moving the channel box in the casing is inserted in the casing. Means for drawing off coolant from the casing to clean the latter is connected to the upper portion of the casing.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: September 22, 1981
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Saito, Masataka Ohwada, Shozo Saito
  • Patent number: 4276798
    Abstract: A cable separator including a pair of slotted rolls that define uniformly spaced apart slitting or shearing sites which are spaced from one another by a distance corresponding to the conductor spacing of a flat cable. A guiding structure at the inlet of the slitting sites for guiding the flat cable thereinto at a proper transverse position to assure that slitting takes place between adjacent conductors. The guiding structure has a plurality of longitudinally extending spring loaded ribs that are spaced from one another by an integral multiple of the interconductor spacing of the cable. A pivotal clamping frame mounted at the inlet of the guiding structure and a mechanism for adjusting the clamping frame to adjust the distance over which the cable conductors are separated by the apparatus.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: July 7, 1981
    Inventor: Klaus W. Gottschalk
  • Patent number: 4274319
    Abstract: Cooperating slitter blades in a slitter for high bulk traveling paper web material attain high cut point pressure and minimum slit plowing and dusting as a result of critical cooperation of the slitting edges of the blades wherein one of blade edges rotates in a plane parallel to the longitudinal axis of travel of the web, and the slitting edge of the other of the blades cooperates to a penetration or overlap extent of less than 0.030 inch at a rake angle of 0 to 10 minutes and a toe-in of 5 to 30 minutes. Where the other blade edge is of high angle type an included angle between opposite faces of the edge of 15 to 30 degrees is provided and where a low angle edge is preferred, the included angle between opposite faces of the blade is between 75 and 85 degrees.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: June 23, 1981
    Assignee: Lenox Machine Company, Inc.
    Inventors: Kenneth G. Frye, Donald C. Fitzpatrick
  • Patent number: 4273014
    Abstract: A method and a device for cutting out pieces of material webs, the cutting taking place between a spherical surface and a sharp edge. The spherical surface consists of a freely movable, non-driven ball. The ball can be made of hard material such as steel and the cutting edge of softer material, or vice versa. The device consists of a roller over which the web is led and a member acting against it. The roller has a groove corresponding to the desired contours of the formed piece. A ball, guided by the groove made in the roller, presses against the edge of the groove for cutting through the web.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: June 16, 1981
    Assignee: Molnlycke AB
    Inventor: Ernst G. S. Edling
  • Patent number: 4224850
    Abstract: An apparatus for cutting a blank sheet into strips and for stacking these strips in adjoining compartments separated by partitions is disclosed, the apparatus having circular blades mounted opposite each other in such a manner that they slightly overlap and are at an interval from each other in the axial direction on at least two shafts which can be rotated in opposite directions and are substantially one above the other, in order to cut the blank sheet fed between the circular blades and to feed the cut strips in the direction of the feed downward onto an inclined slide surface, which has, substantially on the same vertical longitudinal plane as the walls of the said adjacent compartments, guide walls the upper ends of which are preferably beveled and meet the inclined surface in order to receive the cut strips and to guide each of them into its respective compartment, lateral-transfer trays which extend, as seen in the direction of the feed, slightly forward and downward from the circular blades, are also i
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: September 30, 1980
    Assignee: Outokumpu Oy
    Inventors: Ismo V. J. Holmi, Ismo I. Virtanen
  • Patent number: 4168643
    Abstract: A slitter for cutting lengthwise a wide and flexible web into a predetermined width is provided with a press roller in which a resilient outer peripheral surface may be pressed against an outer peripheral surface of the lower cutting edge under predetermined pressure. The press roller has a resilient body having a rubber hardness of 20 to 80 degrees and which is finished to a surface roughness of 10 to 50 .mu. H max.
    Type: Grant
    Filed: November 9, 1977
    Date of Patent: September 25, 1979
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisashi Takimoto, Akira Yamaguchi
  • Patent number: 4119002
    Abstract: There is provided a device for cutting large blocks of sod into either strips or small blocks suitable for planting. The device includes first and second spaced cutting mechanisms to sever the large sod blocks along lines parallel and transverse to the path of sod movement through the device. With both of the cutting mechanisms operative, small sod blocks are discharged from the machine. In order to discharge sod strips, means are provided to disable one of the cutting mechanisms.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: October 10, 1978
    Assignee: Turf-Tech Inc.
    Inventor: Ronnie Hamilton Coldiron
  • Patent number: 4046043
    Abstract: A device for conveying and cutting a pile of sheets with a disk-knife having an associated conveyor for continuously supplying the pile of sheets to the disk-knife, being of relatively simple construction and guaranteeing a satisfactory smooth cut acceptable for a visible surface, through a specially designed clamping member.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: September 6, 1977
    Assignee: Maschinenbau Oppenweiler GmbH
    Inventors: Hermann Kistner, Gunthart Lehmann
  • Patent number: 4024782
    Abstract: An apparatus is disclosed for splicing the trailing end of an expiring web of an old stock roll to the leading web end of a new stock roll. The new stock roll is provided with a splicing tape for initially releasably attaching the leading end of the new stock roll to its outer web convolution. A plurality of sensors are provided for positioning the new stock roll and splicing tape in a precise presplicing position prior to the splicing operation. During the splicing operation, a web guiding and severing mechanism guides the expiring web into engagement with the new stock roll, severs the expiring web, and splices the trailing end of the expiring web to the splicing tape on the leading end of the new stock roll.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: May 24, 1977
    Assignee: Eastman Kodak Company
    Inventors: Martin W. Kron, Victor I. Polz
  • Patent number: 4016708
    Abstract: A table top extractor unit for removing contents from previously opened envelopes which have two panels connected along three side edges comprises a chadless cutter assembly and a vacuum feed mechanism for sequentially feeding envelopes to a transport conveyor which advances each successive envelope into the cutter assembly. The cutter assembly cuts through one panel of the envelope to sever the one panel from the other along opposite connected edges and simultaneously conveys the envelope to a vacuum separator drum located at the front end of the machine. The rotatable drum grips one panel of the envelope and carries the envelope past a stationary deflector or chute which enters between the envelope panels to cause the other panel to be folded back and into a trailing position relative to the one panel allowing the contents of the envelope to drop from juxtaposition between the panels and travel down the chute.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: April 12, 1977
    Assignee: Docutronix, Inc.
    Inventor: John R. DeHart
  • Patent number: 3982455
    Abstract: A device for slitting billets rolled to produce a multiple stranded bar, in which a guide member and support rollers direct the multiple stranded bar, emerging from a stand, against a rotary knife having a circular blade bevelled peripherally to provide shoulders over which individual strands will ride, thus splitting the bar in advance of the knife. Passages behind the knife channel the individual strands.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: September 28, 1976
    Assignee: Co-Steel International Limited
    Inventor: Raymond Earl Bowman
  • Patent number: 3964359
    Abstract: Apparatus for cutting sheet material suitable for use with a card-dispensing business machine is disclosed. The apparatus includes cooperative roller mechanism having side by side cylindrical portions of selected different diameters, which define cutting edges to slit sheet material fed therethrough. The cutting edges are preferably formed by undercutting the ends of the cylindrical roller portions defining the cutting edges, thereby to form sharp cutting surfaces.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: June 22, 1976
    Assignee: Bell & Howell Company
    Inventor: Dwight G. Westover