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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 277/504 - Flexible connection between seal and another part


Subclass of Class 277 - Seal for a joint or juncture
Definition: Accommodates gyratory or oscillatory motion wherein the
No. of patents: 46
Last issue date: 08/05/2008


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NumberTitleIssue Date
7407372Progressing cavity pump or motor
A progressing cavity pump or a motor includes, in one embodiment, an outer tube 12, an inner tube 14, and a plurality of apertures 16. A pair of annular seal glands 18 seal the stator material to the outer tube. The stator material is inj...
08/05/2008
7290771Bellows seals for thermoacoustic devices and reciprocating machinery
A bellows has an elongated bellows body defined by a flexible wall. The wall encloses a volume and extends between a first end and a second end. The body has a cross-sectional shape and a cross-sectional dimension that are generally constant between the first and se...
11/06/2007
7201561Swashplate seal assembly
A swashplate seal assembly sized for rotor shaft rotation therein, including an outer cover encircling the rotor shaft and covering a sealing ring having an inner circumference on which a resilient sealing wiper is inwardly disposed. The outer cover, sealing ring an...
04/10/2007
7070017Rotating apparatus for construction machine
A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other for...
07/04/2006
7036824Device for the float mounting a sealed housing
A device for float mounting a sealed housing around a rotating, deflecting shaft. A sealed housing is connected to a static part in such a way that it can yield radially as well as rotate around a shaft axis at least to a small extent. ...
05/02/2006
6916049Corrugated pipe coupling having six degrees of freedom
A pipe coupling for joining two sections of pipe provides six degrees of freedom where the pipe coupling includes an inlet portion, an outlet portion disposed opposite the inlet portion, and an intermediate portion disposed between the inlet and outlet portions for ...
07/12/2005
6702263Diffuser saddle connection
A diffuser saddle connection is used for the attachment of diffusers on submerged air laterals in systems that treat municipal and industrial waste water. A top saddle surface and a bottom saddle surface enclose a portion of a feed pipe. A spout attached ...
03/09/2004
6692008Sealing arrangement
A sealing arrangement for closing off an end of a chamber formed between a plurality of rollers of a pressing apparatus, comprises a seal member made of a hard seal material such as carbon fiber material. The sealing arrangement is preferably a self-loade...
02/17/2004
6322081Circumferential seal with ceramic rotor
A circumferential seal for sealing between a rotating shaft and a stationary housing circumscribing the shaft. The seal comprises a stator mounted to said housing and having a radially inward facing carbon portion and a rotor with a ceramic sealing member...
11/27/2001
6264204Sealing device for explosion-proof motors
A sealing device for explosion-proof motors, the particularity of which is the fact that it comprises a first element which is coupled to the motor casing and a second element which is coupled to the driving shaft through rolling means; the first and seco...
07/24/2001
5624290Seal arrangement for propeller shafts of ships
A seal arrangement for controlling any large bearing clearance in the vicinity of a propeller shaft, such as for a propeller drive system for ships with two concentric propeller shafts rotating in opposite directions, has a housing ring for supporting the...
04/29/1997
5525112Combined seal and boot for steering shaft assembly
A combined seal and boot assembly for protectively covering a telescoping connection between two shaft members in a steering shaft assembly includes a cylindrical body portion, a flexible boot portion, and a pair of sealing lips. The body portion is frict...
06/11/1996
5492492Seal arrangement for propeller shafts of ships
A seal arrangement for controlling any large bearing clearance in the vicinity of a propeller shaft, such as for a propeller drive system for ships with two concentric propeller shafts rotating in opposite directions. The seal arrangement has a housing ri...
02/20/1996
5078506Bottom entry mixer shaft seal system for process vessels
A sealing system for a process vessel of the type having a bottom entry mixer shaft includes a motion seal around an exterior portion of the mixer shaft and a mechanical seal around the mixer shaft at the bottom wall of the vessel. The two seals are inter...
01/07/1992
5069431Bush assembly
A bush assembly includes an inner cylindrical member for supporting an elongated member, a rigid sleeve slideably fixed to the outer surface of the inner cylindrical member via a slipping member, and an outer cylindrical member fixed to the outer surface ...
12/03/1991
5050894Sealing device designed to achieve sealing between two parts having a possibility of relative rotation to a limited extent
To set up sealing between two parts, having the possibility of relative rotation to a limited extent around a determined axis, a concertina element is used. This concertina element has two rigid, end tubular sections, fixedly joined in an impervious way w...
09/24/1991
5048847Stuffing box for sealing large-scale deflection shafts
The invention relates to a stuffing box for the sealed passage of a shaft with undesirable deflection through connecting branch, provided with a casing, a stuffing box sland containing packing rings, as well as with a tubular spring compensator, one end o...
09/17/1991
5035272Device for sealing refueling opening
A sealing device for use in a refueling opening is provided with an elastic seal member which seals a gap between a tubular casing provided in the refueling opening and a fueling nozzle inserted into the casing at the time of refueling. The elastic seal m...
07/30/1991
5014998Shaft seal
A shaft seal for sealing a rotating shaft relative to a panel or wall of a device from which the shaft extends. The shaft seal has a tubular housing including a packing gland for shaft packings which is floatingly mounted to a wall or panel of the device ...
05/14/1991
4902157Sealing structure for a ball joint of a wiper link mechanism
A sealing structure for a ball joint of a wiper link mechanism is provided with a boot. A boot-engaging part is formed on an outer periphery adjacent an opening of said ball retainer and a retainer-engaging part is formed at the end of the boot which incl...
02/20/1990
4895394Method and system maintaining tightness between parts rotating in relation to one another
A system for maintaining a tightness between two parts rotatable relative to each other. The system includes at least two sealing units, with each of the sealing units having at least two possible states or conditions, namely, a first state or condition f...
01/23/1990
4861294Shaft pressure ring and method for lubricating shaft log seals
A shaft pressure ring for use in conjuction with a boat having an inboard motor and a drive shaft protruding through a shaft logseal assembly mounted in the hull of the boat, the hull including a shaft log area surrounding the drive shaft, the shaft press...
08/29/1989
4795170Packing arrangement for sealing the surface of a rotary drum like object
A packing arrangement for sealing the outer surface of a rotary, drum-like object, such as a washer used in manufacturing cellulose, with a non-rotating annular packing, which is most advantageously composed of one or several side-by-side packing fillets,...
01/03/1989
4639200Sealing apparatus for a gear ball joint
A seal for a gear ball joint in a progressing cavity pump. The seal includes a flexible seal member having a depending flange portion including five sealing surfaces for sealing against mating parts of the joint assembly. The seal also includes an annular...
01/27/1987
4630834Sealing assembly for universal joint
A sealing assembly for a universal joint formed as an annular disc made of resilient material extending in sealing engagement between an inner joint member or a shaft part thereof and an outer joint member with the annular disc being in sealed engagement ...
12/23/1986
4588195Floating lip seal assembly with convoluted flexible section
An annular shaft seal of the type including a continuous lip seal element for sealing against oil flow through and between a bore and a shaft extending therethrough includes a convoluted elastomeric flexible section which connects the sealing element with...
05/13/1986
4579046Yieldably mounted lubricant control assemblies for piston rods
Improved lubricant control assemblies for reciprocating piston rods of an engine which prevent crankcase lubricant intruding into the cylinders and fluid from the cylinders from escaping into the crankcase. Each assembly comprises a tubular scraper fittin...
04/01/1986
4535998Sealing device for hydraulic energy dissipator of the telescopic type
Sealing device for an hydraulic energy dissipator of the telescopic type, formed by a seal comprising a cylindrical ring which grips the rod of the piston and which is extended by a fluid-tight bellows so as to permit axial movement of the seal in its hou...
08/20/1985
4440403Drop-proof and dust-proof device in rotary operation section of camera
Eccentricity between an external knob and camera casing is accommodated by providing a flexible rubber ring between the two which will bend during a change in their relative positions so that a good seal is continuously maintained. Sealing can also be enh...
04/03/1984
4415171Control system and shaft seal for Stirling cycle machine
A Stirling cycle engine has power pistons disposed in power cylinders. Each power piston is interconnected by levers fixed on an oscillating shaft to a unidirectionally rotating output crank shaft. Reciprocating displacers are disposed in displacer cylind...
11/15/1983
4413829Shaft sealing assembly
A shaft sealing assembly containing a liquid lubricant uses an arrangement hich can accommodate shaft-eccentricities and vibratory movements which cause radial deflections of the shaft, without impairing the efficiency of sealing of the assembly. The assem...
11/08/1983
4408769Stuffing box with outer flexible tube to allow shaft gyratory movements
Stuffing box, comprising two hollow annuli spaced apart and adapted to surround a shaft spaced from it, the annuli having annular flanges projecting towards each other. A flexible tube is provided having its opposite ends seating on the annular flanges an...
10/11/1983
4360208Segmented annular lip seal
An annular seal against the flow of fluid along a shaft sleeve (5) includes a rigid ring (15) with flexible flanges (10,11) respectively radially inwards and outwards of the ring (15), one of which carries a sealing contact lip (9) against the shaft sleev...
11/23/1982
4330135Stuffing box with bellows to allow shaft gyratory movements
A stuffing box to surround a shaft projecting from a container and comprising a casing containing an annular bellows which serves to provide for gyratory or like movements of the shaft....
05/18/1982
4278028Resilient railway truck articulated shaft housing
A parallel drive shaft arrangement for rail vehicles wherein the output shaft of the electric motor is arranged parallel to the axle. The electric motor effects a driving of the axle through a gear arrangement and a toothed coupling. One side of the gear ...
07/14/1981
4253675Improvements of sealed shafts
A shaft sealing precluding fluid from moving in a direction longitudinally of the shaft. At the same time the shaft sealing allows a motion of the shaft in axial direction, an inclination of the shaft, and may also allow a rotary motion of the shaft relat...
03/03/1981
4228739Motorized railway truck articulated shaft housing
A system for suspending the traction motor and gear box of a parallel drive arrangement in a railway truck or the like in which the gear box and traction motor shafts are flexibly coupled together to accommodate relative movement between the two shafts. I...
10/21/1980
4229010Self-aligning shaft seal
A self-aligning seal for minimizing, or entirely suppressing, the flow of a fluid in a direction generally longitudinally of a shaft subjected to axial motions and to tilting motions in any direction. The seal comprises a shaft, a bushing surrounding said...
10/21/1980
4224808Venting arrangement for stroking universal joint
A venting arrangement for a stroking universal joint comprises a split vent sleeve seated in a closed position in a shallow annular groove of the drive shaft and maintained therein by a clamped neck portion of a flexible elastomeric boot. The vent sleeve ...
09/30/1980
4208060Sealed shaft
A shaft sealing precluding fluid from moving in a direction longitudinally of the shaft. At the same time the shaft sealing allows a motion of the shaft in axial direction, an inclination of the shaft, and may also allow a rotary motion of the shaft relat...
06/17/1980
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