Patents Examined by Willard E. Hoag
  • Patent number: 5044309
    Abstract: A coating apparatus for applying plastic coatings onto a planar substrate includes an elongate coating head defining therein an elongate distribution channel having a length corresponding to a width of a substrate to be coated, the coating head also defining a coating gap for discharging a coating material from the distribution channel. First and second supply channels are respectively connected between respective pumps and different portions of the distribution channel for respectively supplying first and second coating materials to the distribution channel. A mixing zone is formed in the distribution channel by a partition or a hollow conical body, each of which forms a mixing gradient extending along the length of the mixing zone. Ideally, the pumps for the first and second coating materials provide these materials with the same pressure within the mixing zone.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: September 3, 1991
    Assignee: Saint-Gobain Vitrage International
    Inventors: Richard Crumbach, Otto Jandeleit
  • Patent number: 5044307
    Abstract: A curtain coating width changing device in which the width of the backup device at a coating portion can be rapidly changed continuously and smoothly. A backup roller supports a continuously running web. A pair of collar members is provided at respective opposite edge portions of the backup roller and is movable in the axial direction of the backup roller, the collar members lying on an extension of a top portion of the backup roller. A pair of spacers is provided in the spaces between the roller and corresponding ones of the collar members so as to form an extended surface of the top portion of the backup roller and to fill the spaces. Each of the collar members has a spiral end surface, whereby the effective axial length of the extended portion of the top portion of the roller can be adjusted by rotation of the spacers.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: September 3, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kunio Takahashi, Osamu Yamane, Yasunori Hori, Takanori Endo
  • Patent number: 5042422
    Abstract: The invention provides an apparatus for coating a solution on a tape-shaped flexible support which is moved so as to run along a top surface of coating head. The coating head is slitted so as to form a front edge surface, a back edge surface in order in the moving direction of the flexible support, and a slit therebetween so that the solution is extruded through the slit of the coating head to the flexible support. In this configuration, at least a part of the back edge surface projects beyond the tangent line at the downstream end of the front edge surface.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: August 27, 1991
    Assignee: Konica Corporation
    Inventors: Seiichi Tobisawa, Shigetoshi Kawabe, Takemasa Namiki
  • Patent number: 5040481
    Abstract: An apparatus by which layer thickenings formed transversely to the direction of movement of a coated web are removed after the continuously moving web has been coated with liquids or dispersions, for example a web of photographic film or paper or magnetic recording carrier, are described. A deflecting roller (4) over which the web travels with its coated side facing the roller is situated downstream of the coating and drying devices. When a layer thickening approaches, a cleaning roller (2) covered with a fleece is swung into contact with the web, whereupon the web travels only over the cleaning roller.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: August 20, 1991
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Reinhold Nentwich, Reinhard Kratschmer, Siegfried Rieger, Johann Baarfusser, Lothar Langer, Joachim Mittmeyer
  • Patent number: 5038709
    Abstract: A granulating and coating apparatus in which a rotary drum containing powdery or granular material is rotated about the substantially horizontal axis for granulating and/or coating the powdery or granular material. The apparatus is provided with a disk valve mechanism for switching a gas supply or exhaust path to the rotary drum on the operating side of the rotary drum. The rotary drum is provided inside of itself with a baffle means for stirring powdery or granular material and a baffle displacing means for displacing the baffle means. Inside of the rotary drum is provided a temperature sensor for directly measuring a temperature of powdery or granular material. The rotary drum is composed of porous polygonal. Each side of the polygonal drum includes an outer enclosure mounted thereon and individual detachable.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: August 13, 1991
    Assignee: Freund Industrial Co., Ltd.
    Inventors: Shuri Yamada, Kei Takebayashi, Narimichi Takei, Nagahiko Tanaka
  • Patent number: 5038714
    Abstract: A masonry stencil for masking preselected mortar patterns on a masonry surface and an associated method for coloring or staining a masonry surface. The stencil comprises a latticework structure including an open framework of strips defining a pattern corresponding to the desired or the pre-existing mortar pattern of the masonry, and defining open spaces through which a coloring medium can be applied to the masonry surface. The stencil further comprises a gasket secured to the under surface of the latticework structure for sealably engaging the masonry surface. In accordance with the method of the present invention the masonry stencil is placed on the masonry surface so as to mask the desired mortar pattern or an existing mortar pattern, and a coloring medium is applied to the unmasked surface area exposed by the open spaces of the stencil. The stencil is then removed leaving the mortar pattern uncolored.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: August 13, 1991
    Inventors: Robert E. Dye, Kenneth W. Turner
  • Patent number: 5039295
    Abstract: An apparatus for forming viscous flowable material, such as meat and food, into specific shapes such as meatballs and cylindrical fillings for egg rolls. The apparatus includes a container having side walls and a curved pressure plate positioned between the side walls. A rotor is located between the side walls and it has a rim facing the curved, adjustable pressure plate so that the rim and the pressure plate converge in the direction of rotation of the rotor to define a flow channel of decreasing volume for the viscous flowable material. A motor is provided to rotate the rotor in the direction of convergence with the adjustable pressure plate. Scrapers are carried by the rotor to force the viscous material flow into the channel toward the convergence of the rotor and the pressure plate to compress the viscous flowable material. A mold cavity is provided located relative to the rotor rim and the pressure plate to receive the viscous flowable material from the flow channel.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: August 13, 1991
    Inventor: Yau Tak Cheung
  • Patent number: 5038706
    Abstract: An apparatus for soldering, leveling and cooling printed circuit panels including a preheater, a fluxer, and soldering, leveling and cooling stations. The cooperation of the soldering, leveling and cooling stations provides for efficient processing of printed circuit panels. The soldering station, which includes a solder immersion chamber through which the panels are conveyed, provides an oil coating on the solder to minimize formation of dross. Automatic replenishment of oil through use of suitable flux on the panels to be soldered provide continuous cleaning of the soldering system to permit extended operation. A cooling table transports the soldered panels on a cushion of air to prevent marring.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: August 13, 1991
    Assignee: Teledyne Industries, Inc.
    Inventor: Gilbert V. Morris
  • Patent number: 5035597
    Abstract: An apparatus for manufacturing a multielement sintered material is provided, more particularly an appartus of the automated type which weighs and mixes predetermined amounts of powdery elements, molds the mixed elements and then sinters them.
    Type: Grant
    Filed: November 2, 1990
    Date of Patent: July 30, 1991
    Assignees: Toyo Engineering Corporation, International Superconductivity Technology Center, Taiyo Corporation
    Inventors: Shoji Tanaka, Hisao Yamauchi, Yukio Yamada, Masayoshi Ohnuki, Etsuji Morita, Mitsunobu Toyoshima, Yasuo Wada, Hirotaka Hinoshita, Wataru Ikeda, Etsuji Aihara, Tutomu Kobayashi, Kuniaki Suguro
  • Patent number: 5035600
    Abstract: Apparatus for converting thermoplastic blanks into shaped articles has a wheel-shaped conveyor which carries an outwardly extending link for a coupling which can engage successive blanks of a series of blanks during advancement along a first portion of its endless path. The blank is transported through a heating unit and thereupon enters the cavity of a mold to be converted into a shaped article which is removed from the mold and is delivered to an article receiving unit. The blank heating unit, the mold and the article receiving unit are respectively adjacent to second, third and fourth portions of the endless path. The conveyor can be driven at a variable speed and in stepwise fashion to be decelerated during advancement of a blank through the heating unit and to come to a halt while the blank is being converted into a shaped article. Alternatively, the link can be pivoted in and counter to the direction of rotation of the conveyor to thus accelerate or decelerate the coupling relative to the conveyor.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: July 30, 1991
    Assignee: Nissei ASB Machine Co., Ltd.
    Inventor: Hermann Voss
  • Patent number: 5035591
    Abstract: A vulcanizing apparatus having penetrating passages connected and communicated with a jacket portion of a mold member. An upper open end portion of one of the penetrating passages is connected to a steam inlet pipe while an upper open end portion of the other penetrating passage is connected to a steam outlet pipe. The connections and communications of the jacket portion with the steam inlet and outlet pipes can be simultaneously and efficiently completed in a single operation. Inner tubes are slidably disposed along the penetrating passages and pressed against the connecting surface of the mold, and appropriate pressure is applied on the seal packing member on the connecting surface independent from the clamping force of the upper mold in order to ensure reliable sealing.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: July 30, 1991
    Assignees: Sumitomo Rubber Industries, Ltd., Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Koji Soeda, Yoshiya Kubota, Shoji Okamoto, Akinori Kubota, Michihito Kobayashi, Masaaki Ijiri, Susumu Ozawa, Kiyoshi Tomosada, Nobuhiko Irie, Akira Hasegawa, Hideaki Katayama, Toshifumi Murakami, Katsuyoshi Sakaguchi
  • Patent number: 5035594
    Abstract: A compression molding apparatus for forming a plastic grip ring and simultaneously linking it integrally to a linking protruding piece of a container closure body. The apparatus includes a mold composed of a first mold portion and a second mold portion adapted to be opened or closed by being moved relative to each other in a predetermined direction. The first mold portion has an accommodating space for receiving the closure body and a first mold cavity extending in a ring-like shape. At least the free end portion of the linking protruding piece of the closure body to be received in the accommodating space is projected into the first mold cavity. The second mold portion has a main part consisting of a second mold cavity extending in a ring-like shape and a conduit hole extending in said predetermining direction from the second mold cavity and a compression rod to be slidably inserted into the conduit hole.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: July 30, 1991
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Kashiwa Murayama, Nobu Utsunomiya
  • Patent number: 5033955
    Abstract: Mold handling apparatus especially adapted for use in a reaction injection molding machine. A pair of platens is supported in a frame, and one of the platens is adaped to be moved toward and away from the other by means of a toggle-type actuation system. The movable platen is slidably carried on a plurality of movable platen guide rods that are contained within longitudinally extending frame members that define the frame for the machine. A stationary platen is pivotally supported by the frame member for pivotal movement about a vertical axis through an angle of approximately The movable mold platen includes a movable mold carrier plate that is pivotally carried for movement about a second vertical pivot axis through an angle of about
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: July 23, 1991
    Assignee: Cincinnati Milacron Inc.
    Inventors: Harold Faig, Raymond E. Ross
  • Patent number: 5033405
    Abstract: A granulating and coating apparatus comprising a rotary drum to be charged therein a powdery or granular material, and a baffle plate provided in the rotary drum and not rotatable together with the rotary drum. The rotary drum is formed to be a polygonal shape. This polygonal shape may be, for example, a pentagon, a hexagon, an octagon or a decagon. The baffle plate may be positionally fixedly supported. Or, the baffle plate can be made to change a position in a rocking direction, a position of the rotary drum in the axial direction, a depth of insertion into a layer of a powdery or granular material or an angle of insertion by use of plurality of actuators.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: July 23, 1991
    Assignee: Freund Industrial Col, Ltd.
    Inventors: Shuri Yamada, Narimichi Takei, Nagahiko Tanaka, Kazuomi Unosawa
  • Patent number: 5032071
    Abstract: Press with rotary die plate having plural cavities and punches cooperating therewith.Provided are means for sensing the amount of material in the die cavities and sensing means for sensing movement of the die plate.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: July 16, 1991
    Assignee: Nabisco Brands, Inc.
    Inventors: Eric M. Bliss, William G. Wunder, Sr.
  • Patent number: 5030078
    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.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: July 9, 1991
    Assignee: Bernard Matthews plc
    Inventors: Bernard T. Matthews, David J. Joll, David N. Wilson, John H. Barker
  • Patent number: 5029804
    Abstract: A mold for forming walls in situ by forming a wall portion and sequentially moving the mold as the wall is formed. The mold has opposed form walls and partitions which together define a wider space in the middle than adjacent the form walls.
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: July 9, 1991
    Inventor: Stephen P. McGregor
  • Patent number: 5030081
    Abstract: An apparatus is disclosed for the production of a multi-ply sheet product in which separate non-woven fibrous webs are combined into a multi-ply sheet before embossment, embossed as a multi-ply sheet, the embossed webs separated from one another and longitudinally displaced realtive to one another, and then recombined into an embossed multi-ply sheet with the embossments out of register with one another. The resulting product exhibits enhanced softness and absorbence as compared with similar products comprising simultaneously embossed multi-ply webs.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: July 9, 1991
    Assignee: James River Corporation of Virginia
    Inventor: Galyn A. Schulz
  • Patent number: 5027743
    Abstract: In an apparatus for applying liquid, pasty or plastic substances, particularly thermoplastic substances, to a substrate with a device for melting the substances and a feed head for transferring the melted substances to the substrate via at least one nozzle orifice, the device for melting the substances comprises a melting container and a pressure container connected thereto. In order to facilitate melting, heat exchanger surfaces, particularly heat exchanger tubes are arranged in the melting container.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: July 2, 1991
    Inventor: Volker Ludwig
  • Patent number: 5028231
    Abstract: An optically clear custom tooth positioning and retaining appliance made in a flask or mold device having mold members from an elastomeric or resilient thermoplastic material with the capability of having optically clear transparentness. After the appliance has been trimmed and/or buff polished subsequent to molding thereof which causes the appliance to have a frosty or translucent appearance, the exterior surfaces of the appliance has been subjected to a source of concentrated heat to cause surface melting which produces transparentness, cooling the appliance before, during and after heating as needed to preserve its integrity, and optionally utilizing the mold members from the flask or reproductions thereof in the archways of the appliance during heating thereof.
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: July 2, 1991
    Assignee: TP Orthodontics, Inc.
    Inventor: Arthur B. Hall