Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7788777 | Device for installing piston ring A piston-ring-installing device including a base (110) having a through-hole (111); and a guide member (120) disposed in the through-hole and fixed to the base, for positioning a piston in the vertical direction while receiving a head of the pis... | 09/07/2010 |
| 7345293 | Device and method for inspecting piston ring A piston-ring inspecting device includes a sensor unit (27) including a light emitting system (27a) that emits slit-like detection light toward an outer peripheral surface (Ps) of a piston (P) and an outer peripheral surface (2c) o... | 03/18/2008 |
| 7146724 | Method of Assembling an internal combustion engine This invention provides a method of assembling a modular internal combustion engine. The modular engine includes a cast crankcase having an open top and a closed bottom, a mid-plate, and an extruded cylinder bore block. A pre-assembled crankshaft with bearings, conn... | 12/12/2006 |
| 7114228 | Motor vehicle suspension spring compressor A spring compressor comprising an actuator with a body and a rod that are telescopically movable relative to each other and two jaws each comprising an attachment portion (2) for attachment to the actuator and a working portion (3) for engaging a turn ... | 10/03/2006 |
| 6789313 | Piston pin lock ring insertion tool and method A piston-pin lock-ring-insertion tool has a ring-insertion tube (1) in ring-insertion relationship to a ring pusher (2). The ring-insertion tube has an inside periphery with a press-close taper (8) that is tapered inwardly from a ring-feeder end... | 09/14/2004 |
| 6722011 | Apparatus and method for installing a c-clip Disclosed herein is an apparatus and method for installing a c-clip outside a far end of a passage. In some embodiments, the apparatus comprises prong members each comprising a prong end, a base end, and a lip part. A base is secured to the base ends, so the prong m... | 04/20/2004 |
| 6722006 | Seal ring installation tool A seal ring tool that allows an installer to position a primary seal ring between hub ends of pipe flanges that are being assembled together. The tool includes a pivoting handle member and extension arms attached to the pivoting handle member. The ends of the arms h... | 04/20/2004 |
| 6516511 | Position sensor for piston ring compressor A piston ring compressor having position sensors for aligning a piston assembly with a cylinder of an engine block. The position sensors enable a piston assembly to be properly aligned with the cylinder prior to inserting the piston assembly into the cyli... | 02/11/2003 |
| 6427301 | Piston ring compressor tool system The piston ring compressor tool system comprises a compression skirt. The skirt has an interior surface and an exterior surface. It also has an upper edge and a lower edge. The tool system has a hollow, generally tapered, cylindrical tubular form and is f... | 08/06/2002 |
| 6415488 | Tube joint and apparatus for producing the same A ring member and ring members made of metal are tightened and installed to the outer circumferential surface of a body made of a resin material. Accordingly, the body is prevented from outward deformation. When a tube joint is used in a high temperature ... | 07/09/2002 |
| 6389667 | Piston ring compressor A piston ring compressor for compressing a piston ring about a circumference of a piston so that the piston can be inserted into a cylinder. The piston ring compressor includes a wall forming a hollow shaped member and an inner compression surface formed ... | 05/21/2002 |
| 5765272 | Piston ring compressor A ring compressor is provided including a resilient compression band for encircling, and applying a compression force to, the ring, and a band actuation device connected to the compression band for moving the compression band between a decompressed positi... | 06/16/1998 |
| 5737831 | Piston ring apparatus Piston-ringing apparatus comprises a tubular piston nest member for receiving each piston to locate the piston groove in a predetermined ring-receiving position, a plurality of ring cartridges positionable one at a time in alignment with the piston nest m... | 04/14/1998 |
| 5592740 | Piston ring method Method for assembling a piston ring in a circumferential groove of a piston wherein a plurality of ring nest members are disposed about a common axis for radial movement toward or away from the axis between radially contracted positions and radially expan... | 01/14/1997 |
| 5588208 | Method of assembling set oil ring on piston A set oil ring to be assembled into a piston ring groove is made up of a spacer ring and a pair of side rail rings to be placed on both sides thereof. In assembling one of the side rail rings into a first groove portion which is on an upper side of the sp... | 12/31/1996 |
| 5435056 | Piston ring apparatus Piston-ringing apparatus comprises a tubular piston nest member for receiving each piston to locate the piston groove in a predetermined ring-receiving position, a plurality of ring cartridges positionable one at a time in alignment with the piston nest m... | 07/25/1995 |
| 5404629 | Piston ring apparatus Apparatus and method for assembling a piston ring in a circumferential groove of a piston wherein a plurality of ring nest members are disposed about a common axis for radial movement toward or away from the axis between radially contracted positions and ... | 04/11/1995 |
| 5303465 | Method of assembling piston ring and method of assembling set oil ring and apparatus for assembling set oil ring A piston ring is assembled into a groove of a piston by pushing the piston ring out of a front end of a guide member. The piston ring is mounted on an outside of the guide member which has a diameter larger than an outside diameter of the piston. The push... | 04/19/1994 |
| 5259109 | Machine for the automatic fitting of piston rings onto pistons A machine for automatically distributing piston rings and spacers into the grooves of a piston is disclosed. The machine comprises magazine tubes onto which stacks of the spacers and rails are threaded. The machine further comprises a widened bore in whic... | 11/09/1993 |
| 4982484 | Apparatus for assembling internal retainer ring having lugs into a bore The apparatus typically includes a ring compressing assembly for compressing the ring from the exterior and mandrel means disposed in the compressing means and around which the ring is compressed to assembly size. The mandrel means includes a lug-retainin... | 01/08/1991 |
| 4967459 | Unit for distributing and installing rings on pistons An automatic unit for distributing and installing rings, particularly composite rings, on engine pistons, and which includes a first device for separating elastic expanders (b 1a) consisting of two pairs of helical ramps (26, 27) and (28, 29) having oppos... | 11/06/1990 |
| 4843697 | Method of assembling components The invention relates to a method of assembling two parts of which one part is a sub-assembly formed of a plurality of relatively movable components. The method comprises the steps of holding the components of the sub-assembly in their desired relative positio... | 07/04/1989 |
| 4638541 | Tools for repairing a diesel engine cylinder head A tool kit is provided for repairing the snap ring grooves of a cam follower bore in a diesel engine cylinder head without removing the cylinder head from the cylinder block. The tool kit includes a cutting tool which will both enlarge the cam follower bo... | 01/27/1987 |
| 4379234 | Electro optic controlled piston ring installing apparatus Apparatus for installing a set of dissimilar piston rings (12,14,20,38) which must be arranged in proper predetermined order and orientation in an internal combustion engine piston. The apparatus includes a ring supporting element 48 for retaining the set... | 04/05/1983 |
| 4266329 | Apparatus for positioning out-of-round workpieces particularly piston rings Apparatus for positioning a workpiece, such as a piston ring, which has an out-of-round inner circumferential face with a radially inwardly directed portion that deviates from the out-of-round contour. The apparatus includes first and second spaced cylind... | 05/12/1981 |
| 4047276 | Apparatus for dispensing rings and for applying piston rings to pistons Apparatus for dropping rings one at a time from a stack and including apparatus for receiving piston rings so dropped and applying them to pistons. The apparatus includes a tube, upper and lower pawls slidably mounted in the lower end of said tube and an ... | 09/13/1977 |
