| Patent Number |
Title Of Patent |
Date Issued |
| RE31417 |
Sealing system for shutoff elements |
October 18, 1983 |
| A sealing system for a shutoff element having two substantially ring-shaped sealing elements forming at least two substantially ring-shaped sealing lines. A given one of the sealing elements is constructed as a thin-wall body which is elastically deformable under the action of a closing |
| 7217452 |
Elastomer-bonded sheet material and process for its production |
May 15, 2007 |
| The invention relates to an elastomer-bonded sheet material encompassing vulcanized elastomer content and content composed of at least one filler bonded therein, where the vulcanized elastomer content encompasses, based on the entire elastomer content, from about 25 to 70% by weight, |
| 5997008 |
Sealing ring |
December 7, 1999 |
| A sealing ring, for use in establishing a fluid-tight connection between the facing ends of tubular members which are to be braced axially with respect to one another, comprises a thin sheet-metal ring provided with a corrugation which defines an effective sealing ring thickness greatly |
| 5795518 |
Process for producing sealing rings from expandable graphite |
August 18, 1998 |
| Expanded graphite sealing rings having particles of PTFE captured at least in a surface layer are disclosed. The sealing rings are produced by impregnating porous rings, cut from a sheet of low density expanded graphite, with a PTFE dispersion and then compressing the rings to a desi |
| 5671929 |
Lenticular sealing ring with alternating graphite and metal lamellae |
September 30, 1997 |
| A lenticular sealing ring comprises alternately arranged lamellae (1) made of expanded graphite and metal lamellae (2). The density of the graphite lamellae (1) increases from the inside toward the outside of the sealing ring. The layering is configured so that on both sides of the lenti |
| 5544898 |
Sealing ring for a shut-off valve having a multi-ply structure |
August 13, 1996 |
| A shut-off valve includes a housing defining a flow channel and a bore for receiving a rotary actuator, a valve member, and first and second seal rings. The first seal ring cooperates with the valve member to close and seal the flow channel. The second seal ring cooperates with the valve |
| 5452904 |
Stuffing-box packing |
September 26, 1995 |
| A stuffing-box packing for establishing a seal between a housing bore and a rotatable shaft which has at least one packing ring comprising expanded graphite and a pair of disc-shaped stripper elements which are comprised of a suitable plastic or metal. To ensure high tightness over a lon |
| 5381818 |
Shut-off valve and sealing ring |
January 17, 1995 |
| A shut-off valve includes a housing defining a flow channel and a bore for receiving a rotary actuator, a valve member, and first and second seal rings. The first seal ring cooperates with the valve member to close and seal the flow channel. The second seal ring cooperates with the valve |
| 5149055 |
Shut-off valve |
September 22, 1992 |
| A piston type of shut-off valve with a sealing ring made of expanded graphite. A plurality of ring-shaped lamellae are each stamped from a foil of expanded graphite and then joined to form a sealing ring. A peripheral edge surface of the sealing ring, rather than its planar facing surfac |
| 4690413 |
Gaskets |
September 1, 1987 |
| A kit of gaskets comprises at least one piece (10) of gasket forming material, preferably of the "dry joint" grade, which piece includes gasket parts (1) and packaging parts (2). Cuts (4) separate the gasket parts (1) from the packaging parts (2). The cuts (4) do not extend around the ga |
| 4546790 |
Fluid valve |
October 15, 1985 |
| The fluid valve comprises an integral housing made of forged steel, the housing having tubular end portions as fluid inlet and outlet, respectively, conical transition zones having a cone angle of at least 30.degree., and a central enlargement joined by said transition zones to said |
| 4512190 |
Magnetically operated liquid level indicator |
April 23, 1985 |
| A liquid level indicator includes a magnetized float and a plurality of magnetized indicator elements which are pivoted by the float magnet and which have distinguishable opposite surfaces to provide the liquid level indication, the indicator elements being formed from a material which |
| 4395050 |
Sealing arrangement specifically for shut off devices |
July 26, 1983 |
| A sealing arrangement specifically for shut off devices is disclosed. A shut off device has two annular metallic sealing members of which one is a rigid body and the other is a thin-walled elastically deformable body. One of the sealing members features a considerable large hardness. The |
| 4284098 |
Valves for controlling or preventing fluid flow |
August 18, 1981 |
| A valve for controlling or preventing fluid flow has a shut-off element controllably movable in an axial direction between a first position corresponding to a fully open condition of the valve and a second position corresponding to a fully closed condition of the valve,a valve seat with |
| 4221234 |
Closure valves for use in coaxial flow systems |
September 9, 1980 |
| A double-acting closure valve for use in a coaxial flow system consists of an inner pipe having an inner wall surface including surface portions which are profiled so as to provide a pair of inner valve seats spaced apart axially from one another, an inner body disposed coaxially within |
| 4194390 |
Method of and apparatus for ascertaining the state of aggregation of a medium |
March 25, 1980 |
| A method of ascertaining the state of aggregation of a medium, whereby the flow of the medium is directed to a first of a series of two or more coaxially arranged nozzle means, further the initial pressure of said medium ahead of said series of nozzle means is compared with a further |
| 4112965 |
Shutoff element |
September 12, 1978 |
| A shutoff element comprising a substantially tubular-shaped outer housing and an axially symmetrical inner housing connected by means of rib-like carriers or supports with the outer housing. The axially symmetrical inner housing serves for receiving at least one closure body which can be |
| 4105187 |
Sealing system for shutoff units |
August 8, 1978 |
| A sealing system for a shutoff unit comprising two substantially ring-shaped sealing elements, one of which is tightly connected with the housing or with the blocking element of the shutoff unit and the other is either tightly connected with the blocking element or the housing or is |
| 3945390 |
Sealing system for shutoff elements |
March 23, 1976 |
| A sealing system for a shutoff element having two substantially ring-shaped sealing elements forming at least two substantially ring-shaped sealing lines. A given one of the sealing elements is constructed as a thin-wall body which is elastically deformable under the action of a closing |
