Patents Examined by John Hong
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Patent number: 7246439Abstract: A relatively economical process allows producing sintered shaped parts, such as sliding sleeves in motor vehicle transmissions. Open-pored undercut surfaces are formed at an internal toothing by hypocycloid milling of the part prior to its final hardening.Type: GrantFiled: October 21, 2003Date of Patent: July 24, 2007Assignee: PMG Fuessen GmbHInventors: Günter Rau, Lorenz Sigl
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Patent number: 7237311Abstract: An apparatus 1 for securing a closure 2 in an aperture 3 of a container 4 comprises a securing cap 5 adapted to engage the closure 2 and the container 4 to secure the closure 2, and fittings to provide for generation and release of a vacuum or partial vacuum between the securing cap 5 and the closure 2 to move the securing cap 5 into a securing position.Type: GrantFiled: January 26, 2001Date of Patent: July 3, 2007Assignee: Matcon (R & D) LimitedInventor: Edward John Piepereit
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Patent number: 7222407Abstract: A method of making a metering orifice disc from a work piece is disclosed. The work piece has a first surface spaced apart from a second surface over a first distance. The metering orifice disc has an outer diameter from 4 to 6 millimeters with at least one orifice disposed through the metering disc of about 75 to 150 microns in effective diameter. The method can be achieved by removing material from one of the first and second surfaces of the work piece to define a recessed surface between first and second walls, the recessed surface being located between the first and second surfaces of the work piece; and forming an orifice in the recessed surface proximate a shortest distance between the first and second walls to define two channels that extend towards the longitudinal axis, the orifice extends through the recessed surface to one of the first and second surfaces. A method of making a valve seat is also described.Type: GrantFiled: October 26, 2004Date of Patent: May 29, 2007Assignee: Siemens VDO Automotive CorporationInventor: Hamid Sayar
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Patent number: 6560846Abstract: Method and apparatus for effecting an interference fit of a first part and a second part, wherein a thrust force is applied to the second part in a direction toward the first part to thereby accelerate the second part for applying a kinetic energy to the second part to cause abutting contact of the second part with the first part for achieving the interference fit of the first and second parts, and wherein the initiation of acceleration of the second part by the thrust force is inhibited until the thrust force has been increased to a predetermined threshold, and is permitted when the thrust force has been increased to the predetermined threshold.Type: GrantFiled: December 8, 1997Date of Patent: May 13, 2003Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shigemi Shioya, Wataru Fuwa
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Patent number: 6279219Abstract: A roller turret including a turret body having a plurality of mounting holes formed therein such that the mounting holes are arranged in a rotating direction of the turret body, a plurality of roller shafts each including a roller support portion and a stud portion eccentric with respect to the roller support portion and fitted in the corresponding mounting hole, a plurality of rollers rotatably mounted on the roller support portions of the respective roller shafts, and a device provided for each mounting hole, for fixing the stud portion to the turret body, at a desired angular position of the corresponding roller shaft.Type: GrantFiled: September 20, 1999Date of Patent: August 28, 2001Assignee: Takahiro Engineering Works Ltd.Inventor: Yoshihisa Ohsawa
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Patent number: 6101699Abstract: A screw with replaceable threads is particularly useful to releasably join the spiders of rotational molding machines. The screw comprises a master bolt that passes through a first spider, and a tip that is removably assembled to the master bolt. The tip is threaded to selectively engage and disengage a receiver on the second spider. When the tip is assembled to the master bolt, the screw is captured in the first spider. When the tip has worn through use, it can be replaced without disturbing the master bolt. Similarly, when the tip seizes to the receiver, the tip and receiver are replaceable as a unit without disturbing the master bolt.Type: GrantFiled: June 26, 1998Date of Patent: August 15, 2000Inventor: Robert G. Defatte
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Patent number: 6073331Abstract: A method for manufacturing a seamless pipe, comprises:preparing a billet made of an alloy steel or an alloy;joining a steel plate to an end surface at which piercing of the billet is commenced;preparing a piercing plug made of Mo, a Mo alloy or a heat-resisting steel;hot-piercing the billet by using the piercing plug to produce a hollow shell; androlling the hollow shell to produce a seamless pipe.Type: GrantFiled: January 21, 1998Date of Patent: June 13, 2000Assignee: NKK CorporationInventors: Tatsuro Katsumura, Takashi Ariizumi
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Patent number: 6044537Abstract: A metal gasket is composed of a plurality of metal sheets superimposed one above the other and including a plurality of joints. Each of the joints includes a plurality of cut lines defining inner side edges of the metal sheets, and a bent portion located between the cut lines and having outer side edges which are frictionally engaged with the inner side edges of the metal sheets. The joints are oriented in different directions to accommodate a shear force.Type: GrantFiled: December 9, 1997Date of Patent: April 4, 2000Assignee: Nippon Reinz Co., Ltd.Inventors: Koichi Tokuda, Fumio Kishi
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Patent number: 5991996Abstract: For disassembly purposes, a holder holds the bearing assembly of a spindle assembly so that a free end of the spindle of the spindle assembly extends upward from the bearing assembly. A guide aligns a disassembly striker with the free end of the spindle and the disassembly striker drives the spindle at least partially through the bearing assembly. The holder defines a lower collection chamber that the spindle falls into. For assembly purposes, the holder holds the bearing assembly and the spindle so that the spindle extends through the bearing assembly and the free end of the spindle extends upward from the bearing assembly. The guide aligns an assembly striker with the spindle and a collar that encircles the spindle. An internal surface of the assembly striker includes a annular first portion that abuts the collar. The assembly striker drives the collar onto the spindle until a stop arrests movement of the assembly striker and the collar.Type: GrantFiled: June 27, 1997Date of Patent: November 30, 1999Inventor: Felton Clark Leverette
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Patent number: 5974649Abstract: A lightweight hose assembly (10) of the type adapted for conveying fuels and other corrosive fluids is disclosed. The assembly (10) includes a tubular inner liner (12) including a polymeric fluorocarbon material resistant to chemical and heat degradation. A reinforcing layer (14) having gaps extending therethrough is disposed about the inner linear (12). The assembly (10) further includes an outer fluorocarbon coating (16) dispersed throughout the reinforcing layer (14) The hose assembly (10) is characterized by including a metallic reinforcing layer (18) disposed about the reinforcing layer (14) for increasing the strength and bending properties of the hose assembly (10).Type: GrantFiled: January 27, 1997Date of Patent: November 2, 1999Assignee: Teleflex, Inc.Inventor: Alfonso Marena
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Patent number: 5966795Abstract: A slide mount has a first portion and a second portion. The first portion includes an interior region, an edge, and a slot extending from the interior region to the edge. A cavity is formed between the first portion and the second portion, and extends to the first edge, with a film segment in the cavity extracted therefrom by a film extraction system. The film extraction system includes a piston for disengaging a latch mechanism from the film segment. An extractor arm enters the slot to engage a second perforation in the film segment, and slidably moves within the slot to move the film segment through and out of the cavity toward a roller.Type: GrantFiled: July 18, 1997Date of Patent: October 19, 1999Assignee: Eastman Kodak CompanyInventors: Daniel M. Pagano, Dale F. McIntyre, David L. Patton, Edward Weissberger
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Patent number: 5964023Abstract: A mechanical joint tube assembly and method of creating the same is disclosed for providing an improved fluid fitting assembly. A fitting having a primary tapered bore is forced onto a tube that has a larger diameter. The tube is radially contracted in certain portions and is radially expanded in other portions of the fitting in order to create a plurality of compression seals. A collar of the fitting is crimped around the bead that is formed in the tube in order to provide an additional compression seal and means for retaining the tube within the fitting. Alternative forms of the primary bore in the fitting includes a hexagonal shaped configuration, a splined shaped configuration and a slotted collar configuration for enhancing retention of the tube within the fitting. A unique method of manufacturing is used to make these tube fitting assemblies.Type: GrantFiled: September 17, 1998Date of Patent: October 12, 1999Assignee: Lincoln Brass Works, Inc.Inventors: Anthony Wade Simpson, Garry W. Woods
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Patent number: 5964026Abstract: The invention relates to a sheet metal work center, in which a locking arrangement (15) is placed between the stationary part (9) of the buffer structure (2) and the releaser (13), wherein at least some of the vertical movements of the upper tool (7) and the releaser (13) can be implemented by using the transfer device (12), the stationary part (9) of the buffer structure (2) and the releaser (13) being connected with the locking arrangement (15).Type: GrantFiled: October 27, 1997Date of Patent: October 12, 1999Assignee: Lillbacka Jetair OyInventors: Jorma Taijonlahti, Mikael Ollikainen
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Patent number: 5953807Abstract: A punch assembly including at least one punch installed and aligned on a carrier plate. The carrier plate includes a plurality of openings which are configured to mate with corresponding precision locator pins on an imaging system. The punch assembly is installed on the imaging system by inserting the precision locator pins through the plurality of openings in the carrier plate.Type: GrantFiled: December 30, 1997Date of Patent: September 21, 1999Assignee: Agfa CorporationInventor: Donald J. Garand
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Patent number: 5950297Abstract: A support member attached to a support surface is rotated about a threaded stud to change the distance between an object on the support member and the support surface. The support member is fixed relative to the stud when the desired distance is attained, and a nut is fastened onto the stud, thereby trapping the object between the nut and the support member, and fixing the distance between the object and the support surface.Type: GrantFiled: January 16, 1998Date of Patent: September 14, 1999Assignee: MHE Technologies, Inc.Inventors: Richard J. Baker, Steven L. James
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Patent number: 5946787Abstract: A substrate method of repairing a array including the step of cutting longitudinal frame sections, transverse frame sections and connecting portions of a prime substrate array to remove a defective substrate from it, permitting the prime substrate array to be separated into two separated substrate arrays; and the step of fastening the cut longitudinal frame sections, transverse frame sections of the two separated substrate arrays together, so as to form a repaired substrate array.Type: GrantFiled: December 17, 1997Date of Patent: September 7, 1999Assignee: Caesar Technology Inc.Inventor: Mei-Jen Chiou
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Patent number: 5943759Abstract: This invention relates to a method for manufacturing a needle attached suture and an apparatus therefor. A needle attached suture is obtained by inserting a suture into an insertion hole formed in the end of a needle N which is held by a needle retaining unit 16 and by swaging the end of the needle with the suture. The method and the apparatus have been developed to accurately position the end of the needle for swaging with the suture to stabilize the swaging strength between the suture and the needle. Before the swaging, the needle is held by the needle retaining unit 16, and the end of the needle N is pushed to a certain position by a rod 99 or its equivalent. Thereby, the end of the needle N relative to the needle retaining unit 16 is accurately positioned.Type: GrantFiled: September 29, 1997Date of Patent: August 31, 1999Assignee: Kabushiki Kaisha Azwell (Azwell Inc.)Inventors: Kenji Shikakubo, Satoshi Omuraya, Gennai Yanagisawa
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Patent number: 5940953Abstract: A wheeled tooling cart for a thermoformer machine enabling quick and easy removal and installation of upper and lower tooling plates from their respective platens. The tooling plates are held on upper framework on the cart, which are removed one at a time with the cart in position adjacent the machine with one and the opposite end successively. The tooling plates are held in position on the cart for reinstallation when the cart is appropriately repositioned with respect to the thermoformer machine. An elevator mechanism allows an upper framework having attachment brackets and rails for holding the tooling plates to be raised and lowered on a wheeled lower framework to move the attachment brackets and rails into proper position for attachment and removal of the tooling plates.Type: GrantFiled: September 3, 1997Date of Patent: August 24, 1999Assignee: Brown Machine LLC.Inventors: Albert W. Arends, Andrew P. Richard
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Patent number: 5926935Abstract: A torsion spring having a central coiled portion and a pair of resilient arms projecting from the coiled portion in different directions is incorporated in a workpiece so that the coiled portion is fitted on a support pin on the workpiece and the arms are engaged with first and second engagement portions on the workpiece. A center pin is inserted into the coiled portion of the torsion spring, and the coiled portion is held by attraction of an attracting portion provided around the center pin. A pair of forming pins are moved relative to the center pin in directions perpendicular to the longitudinal axis of the center pin to abut against the respective arms of the torsion spring and deflect them.Type: GrantFiled: December 30, 1997Date of Patent: July 27, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Akira Mizuta, Mitsuyoshi Okiyama
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Patent number: 5915743Abstract: An under-dimensioned surface on metal tooling used in repetitive high temperature formation of parts is repaired by application of a metallic coating by use of a metal arc spray system. The under-dimensioned area is first roughened, and then is bordered by a raised template spaced a short distance above the surface of the tool by shims. Next the metal spray coating is applied, followed by machining of the metal coating to the proper dimensions of the tool.Type: GrantFiled: June 30, 1997Date of Patent: June 29, 1999Assignee: The Boeing CompanyInventor: Jay M. Palma