| Patent Number |
Title Of Patent |
Date Issued |
| 5758880 |
Self piloting seal head assembly |
June 2, 1998 |
| A self piloting seal assembly for use on a rotatable shaft pump unit, the seal assembly including a seal head assembly in constant contact with a seal seat assembly. The seal head assembly includes an elastomer boot, a spring seat, a ferrule and a spring all disposed around a seal washer |
| 5676382 |
Mechanical face seal assembly including a gasket |
October 14, 1997 |
| An improved seal assembly utilizing a cup gasket having a flange portion secured or sandwiched between side surface of a mating ring and an inner surface of a radially extending side portion of an inner sleeve such that a static seal occurs in an axial direction. The seal further includi |
| 5591466 |
Apparatus for making multi-segment plastic components |
January 7, 1997 |
| A core ring assembly for use in production of a plastic injection-molded component is formed by injecting molten metal alloy into core dies to produce two intricately shaped ring type elements--one male, one female. Removing the male and female ring elements from the core dies and co |
| 5588350 |
Manufacture of banded pistons |
December 31, 1996 |
| A banded cylindrical piston for use in fluid cylinders is produced by hot-forming a relatively thin, flat washer made of polytetrafluoroethylene (PTFE) onto a grooved piston. A hot-forming sizing tube has a beveled entrance end on which the washer is initially preheated, a first section |
| 5584271 |
Valve stem seal |
December 17, 1996 |
| A valve stem seal for use in an internal combustion engine. The valve stem seal includes a leak resistant plastic seal member located at the bottom of a valve guide. The valve stem seal is secured in place around the bottom of the valve guide by a metallic outer case having a cylindrical |
| 5558056 |
Two-piece valve stem seal |
September 24, 1996 |
| An improved valve stem seal assembly for use in an internal combustion engine, including a rigid cylindrical shell having a flange portion and a seal retainer wall at the top portion. The valve stem seal assembly also includes a seal body having an integral spring molded within the body. |
| 5553866 |
Cartridge-type lip seal with removable spacer |
September 10, 1996 |
| A seal assembly for use in providing a dynamic fluid seal between a relatively rotating housing and shaft. The seal assembly eliminates the need for either a fixed internal thrust bearing or seal assembly contact with an adjacent inner bearing race. The seal assembly includes a spacer |
| 5551707 |
Multi-material seal ring |
September 3, 1996 |
| A composite seal of the type formed of a plurality of layers which provide a suitable fluid or gas seal between two rigid parts. The seal includes a layer of plastic material sandwiched between layers of elastomeric material, wherein the plastic and elastomeric materials are of a type no |
| 5505590 |
Composite torque converter components |
April 9, 1996 |
| An improved torque converter assembly utilizing or making use of the same or similar composite materials for each component of the torque converter to result in a high strength yet light weight torque converter assembly which may be easily recycled. Further, the torque converter includes |
| 5435960 |
Method of making multi-segment plastic components |
July 25, 1995 |
| A core ring assembly for use in production of a plastic injection-molded component is formed by injecting molten metal alloy into core dies to produce two intricately shaped ring type elements--one male, one female. Removing the male and female ring elements from the core dies and co |
| 5419539 |
Elastomeric shock absorber with positioning insert |
May 30, 1995 |
| A novel elastic bumper assembly for an automotive vehicle or the like, which comprises an elastic bumper member adapted for repetitive cushioning impact, the elastic bumper member being formed of an elastomeric material, which contains imbedded therein a relatively stiff high strength in |
| 5365901 |
Low creep flange and engine cover assembly |
November 22, 1994 |
| An engine cover assembly for use in an internal combustion engine. The engine cover includes a composite plastic body and low creep material for the flange section of the engine cover. The low creep material allows for a low incident of creep at the bolts which secure the engine cover to |
| 5299786 |
Noise suppression member |
April 5, 1994 |
| A noise suppression apparatus for use with a spring. The apparatus includes a plurality of circular tubular members having a longitudinal slit in the tube wall and a radial slit. The slits allow the tubular members to be separated and disposed about the spring. Each of said circular tube |
| 5285754 |
Valve cover assembly for internal combustion engines |
February 15, 1994 |
| A one-piece valve cover product for use on an internal combustion engine having an engine cylinder head, said cover product including dome-like upper portion which acts as a cover over the cylinder head area of the engine, a peripheral flange portion adapted for sealing engagement to the |
| 5255647 |
Elastomeric grommet-fastener assembly |
October 26, 1993 |
| A new elastomeric grommet-fastener assembly for use in connection with first and second apertured workpieces, for example in connecting a valve cover to an automotive engine block, with the fastener assembly being comprised of a fastener with clamping surface thereunder, a shank, and a |
| 5217137 |
Seal for an end cap |
June 8, 1993 |
| The present invention is a seal for an open end of an end cap which is adapted to be at least partially disposed in a cavity of a member. The seal includes an axial portion adapted to extend axially along an axial flange forming the open end of the end cap. The seal also includes at |
| 5195757 |
Patterned textured seal |
March 23, 1993 |
| The present invention is a seal adapted to be disposed about a cylindrical shaft. The seal includes a body portion having an aperture a lip surface defining an aperture extending axially therethrough. The seal includes a textured pattern formed on the lip surface. The seal further includ |
| 5170012 |
Hinged multi-function gasket |
December 8, 1992 |
| The present invention is a multi-function gasket adapted to support a plurality of components within a support unit having first and second support members. The multi-function gasket includes a frame portion adapted to be disposed between the first and second support members. The mul |
| 5167419 |
Fluid seal with integral check valve |
December 1, 1992 |
| The present invention is a fluid seal adapted to be disposed about a cylindrical shaft. The fluid seal includes a body portion having an aperture extending axially therethrough and adapted to be disposed about the shaft. The fluid seal also includes a first sealing lip extending from |
| 5137674 |
Method of manufacturing multipart reinforced gaskets |
August 11, 1992 |
| This invention deals with a multipart structurally reinforced gasket product, suitable for use in V-8, V-6, straight 6 and straight 4 automotive engines or the like, said gasket product being made of a plurality of interconnected nested reinforced gaskets, each gasket including an in |
| 5123660 |
Extended life mechanical face seal assembly |
June 23, 1992 |
| A rotary mechanical face seal utilizes a pair of cup-shaped inserts to closely support the contoured diaphragm of an elastomeric boot whereby the diaphragm does not actively undergo deflection to assist in sealing moving interfaces, even under fluctuations in pressure differentials actin |
