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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 277/583 - Inflatable seal or seal biased by inflatable member


Subclass of Class 277 - Seal for a joint or juncture
Definition: Dynamic, circumferential, contact seal including a cavity
No. of patents: 46
Last issue date: 05/08/2012


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NumberTitleIssue Date
8172233Seal with integrated shroud for androgenous docking and berthing in contaminated environments
The present invention is directed to a specially configured seal system which provides a barrier to gas leakage flow between a pressurized module and its external environment. The seal includes a shroud covering which protects the sealing interface from its environm...
05/08/2012
7147230Sealing device and sleeve and holding element for such
The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end f...
12/12/2006
7090219Sealing device
Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form a front and a rear, with respect to a surface running direction. The...
08/15/2006
7000556Sealing device and method for sealing between a chain and a chain pipe
A sealing device (1) and method for sealing between a chain (2) and a chain pipe (3), said chain for example being an anchor chain on a marine offshore platform or on a ship, and said chain pipe (3) leading for example to a chain locker f...
02/21/2006
6942224Inflatable seal
An inflatable seal member for providing a fluid-tight seal. The inflatable seal member is particularly well suited to sealing a processing chamber having pressurized fluids therein. Outward forces (exerted by air pressure) to the inner surfaces of the seal member co...
09/13/2005
6886834Shaft sealing assembly
A shaft sealing assembly seals a rotary shaft of a refrigerant compressor with a first sealing member, which is a lip seal. The first sealing member has a hollow portion. As the pressure in the interior space of the compressor housing increases, an outer wall surrou...
05/03/2005
6854736Seal assembly for a rotary machine
A seal assembly and a rotary machine in combination with the seal assembly are provided. The seal assembly includes a seal and a biasing device configured to produce a force for mechanically biasing the seal toward a first position relative to the rotatable portion....
02/15/2005
6840519Actuating mechanism for a turbine and method of retrofitting
One embodiment of the present invention comprises an actuating mechanism for a turbine comprising a compliant member (meaning at least one compliant member) comprising a series of serpentine folds forming a plurality of fold sections and a central cavity (meaning at...
01/11/2005
6658987Sealing device for a piston which is subjected to the action of a pressure medium and which is arranged in a working cylinder
A sealing device for a piston that is subjected to the action of a pressure medium and that is arranged in a working cylinder, whereby a piston rod guide is arranged in or on the working cylinder and the rod guide has annular recesses. In addition, elasti...
12/09/2003
6395137Seal construction for a suction box in a suction roll in a paper/board machine
The invention concerns a seal construction for a suction roll in a paper machine. The seal construction (10) comprises a substantially U-section holder (12) open towards the inner face (3) of the roll mantle, a seal which is mounted in the holder, which i...
05/28/2002
6302399Sealing device and process for sealing a moving surface with the sealing device
Sealing device for laterally sealing of at least one overpressure zone and vacuum zone in a paper machine and process for sealing a moving surface with the sealing device. The sealing device includes a moving surface adjacent to the at least one overpress...
10/16/2001
6254732Method for loading a seal of a suction roll and a sealing construction thereof
A sealing construction for loading a seal against a suction roll in a paper machine includes a seal having a wear surface, side surfaces and a lower surface. The seal is fitted from its holder to the structure of a suction box which is inside the suction ...
07/03/2001
5975532Seal construction for a suction roll in a paper machine
A seal construction for a suction roll in a paper machine including a substantially U-section holder open toward an inner face of the roll mantle and a seal mounted in the holder and extending in the axial direction of the roll. The seal includes a frame ...
11/02/1999
5906435Particulate drum mixer with scoop section and seal assembly with bladder
A rotary drum mixer mixes product matter in a particulate form. A scoop section for the mixer has scoop blades which are radially enclosed by a peripheral wall which rotates with the drum. A stationary hood includes an outer face portion which covers the ...
05/25/1999
5580424Apparatus and method for sealing a suction box of a suction roll in a paper machine
A sealing construction for a suction box of a suction roll in a paper machine and a method for sealing a suction roll in which a seal is arranged in a holder and loading members, preferably at least one loading hose, are arranged between the holder and th...
12/03/1996
5511795Combined segmented and pneumatic seal for drum-type furnaces
A sealing medium seal for sealing the rotary drum of a drum-shaped furnace against the stationary charging device and the downstream, stationary discharge chamber, in order to prevent infiltrated air from being drawn into the process space and toxic flue ...
04/30/1996
5476268Seal assembly with a hard seal layer actuated through a silicone layer
A seal assembly includes a body portion of an element to be sealed, a groove formed into the surface of the body portion, a seal member of a relatively hard material for sealing a gap formed between the surface of the body portion and another element to b...
12/19/1995
5470083Seal assembly with a hard seal layer actuated through a silicone layer
A seal assembly includes a body portion of an element to be sealed, a groove formed into the surface of the body portion, a seal member of a relatively hard material for sealing a gap formed between the surface of the body portion and another element to b...
11/28/1995
5425543Seal assembly for rotating shaft
A seal assembly for use in precluding leakage of hot combustion products along the shaft of a rotating heat exchanger wheel utilized in a power plant. The seal assembly includes a housing positioned in surrounding relation to the shaft and defining an ann...
06/20/1995
5361940Pump evacuation system for bulk containers of high viscosity fluids
A ram assembly is designed for evacuating "bag-in-a-box" square bulk containers of viscous materials. The ram cylinder is centered over the bulk container and mounted so as to float relative to the frame allowing accomodation of various containers. An inf...
11/08/1994
5341726Piston for tank
An elongate tank for transport or for storage in bulk of semisolid and fluid materials, such as grease and oil. The tank has an outlet at one end thereof for discharging material contained therein, and has a generally cylindric interior surface. A general...
08/30/1994
5251912Radially energized seal
This invention relates to an adjustable packing for sealing a gap between two surfaces. The packing includes a packing member for sealing the gap, the sealing pressure thereof being adjusted by means of the elastomer, preferably two-component silicone, se...
10/12/1993
5248254Furnace for the heat treatment of individual parts
A furnace for the heat treatment of individual parts, in particular metal sheeting, which has a transport apparatus for conveying the parts to be treated through the furnace. This transport apparatus has two groups of longitudinal beams for supporting the...
09/28/1993
5114054Tank piston with teflon sheathed packing member
An elongate cylindric tank for transport or for storage in bulk of semisolid and fluid materials, such as grease and oil with an outlet at one end thereof and a generally cylindric piston sized to slide therein and be moved in a direction toward the outle...
05/19/1992
5076108Probe insertion apparatus with inflatable seal
A sealing apparatus for inserting a probe into a pressure vessel having an elongated opening includes a pair of resiliently deformable seals opposingly disposed in sealing engagement with each other. A retainer is connected to the pressure vessel around t...
12/31/1991
5014917High-temperature, flexible, thermal barrier seal
This device seals the sliding interfaces between structural panels that are roughly perpendicular to each other or whose edges are butted against one another. The seal is mounted in a rectangular groove in a movable structural panel and comprises a plural...
05/14/1991
4844481Cylindrical seal system
A cylindrical seal assembly adapted for sliding or rotary movement within a cylindrical chamber comprises first and second body elements having substantially cylindrical shapes. The body elements are secured together with their respective cylindrical side...
07/04/1989
4736824Pneumatic spring
A spring-damping device operating with a pressurized gas in which sudden movements caused by a severe drop in pressure are avoided or limited. A variable volume chamber, which is usually in a state where it permits relative movement of a rod in relation t...
04/12/1988
4718820Pumping apparatus
A fluid pump apparatus having on its first end a motor for power driving an elongated shaft, the shaft portion housed in a pump housing, with an impeller on the second end for routing fluid from an inlet to an outlet port. Toward its first end, the shaft ...
01/12/1988
4679800Hawser chain seal assembly
A hawser chain assembly and method for installation of its sealing element is disclosed. The assembly includes a housing adapted for connection in series with a hawser pipe of a marine vessel such as a semi-submersible drilling rig. The housing may be mov...
07/14/1987
4632403Stern tube seal device providing a seal about a rotatable shaft
A stern tube seal device providing a seal about a rotatable shaft includes an annular case member arranged about the outer periphery of a shaft, a gap between the annular case member and the shaft sealed by a plurality of lip seals, a floating ring seal o...
12/30/1986
4632722Arrangement for applying a surface pressure upon movable workpieces
An arrangement for applying a surface pressure upon movable workpieces, has a rotatable pressing band with a working run applying a pressure against the workpiece, a pressure chamber formed by a part of the working run, a pressing plate, and a sealing mem...
12/30/1986
4534569Stern tube seal device providing a seal about a rotatable shaft
A stern tube seal device providing a seal about a rotatable shaft includes an annular case member arranged about the outer periphery of a shaft, a gap between the annular case member and the shaft is sealed by a plurality of lip seals, a floating ring sea...
08/13/1985
4482159Stern tube seal device
A stern tube seal device wherein an annular case member is arranged in the outer periphery of a shaft, a mechanical seal is arranged in a gap therebetween and at a position at the side of the ship, a limited leaking type seal is arranged at a position at ...
11/13/1984
4448425Shaft seal assembly with inflatable annular member
An annular seal assembly disposed between a shaft surface and a surrounding ousing, for example, a seal assembly for an aft-stern tube seal of a sea-going vessel, comprises a nonrotating annular seal element having a circumferentially segmented constructio...
05/15/1984
4401306Floating roof tank seal
A seal arrangement is provided in a floating roof type tank for slidably sealing between the roof and the tank walls. The seal comprises an expansible tube carrying a lip with the latter extending angularly with respect to the tank walls so that upon infl...
08/30/1983
4394021Contact sealing
A contact sealing for adaptive abutment to a rotating sealing surface is provided with an annular groove, in which a pressurized hose is located which abuts a sealing member and presses the same against the sealing surface....
07/19/1983
4342336Double-acting inflatable seal
An improved inflatable seal apparatus (10) is disclosed which includes an annular or closed loop seal element (30, 64) captured during use within an annular supporting channel (20, 54) having a somewhat T-shaped cross-section which is narrowest at its inn...
08/03/1982
4341093Device for leading cooling liquid out of rotary electric machine with liquid cooled rotor
A device for conducting cooling liquid out of a liquid cooled rotor type rotary electric machine in which a sealing means is provided for preventing the leakage of cooling liquid from an outlet chamber adapted to receive the cooling liquid discharged from...
07/27/1982
4268331Method for making a fluid filled ring
A fluid filled ring for a shaft sealing apparatus in a machine casing or container wall through which a rotatable shaft passes. The sealing apparatus comprises a housing fixed about its exterior surface to the machine casing. The housing defines an interi...
05/19/1981
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