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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 285/121.4 - Having spring biasing for maintaining a leak-proof seal


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter wherein a resilient means provides pressure
No. of patents: 25
Last issue date: 01/10/2012


NumberTitleIssue Date
8091924Device for coupling a coolant supply to a roller
A device for coupling a coolant supply to a roller, in particular for continuous casting installations, wherein the roller is supported for rotation in a stationary pillow block, includes a sealing unit coupled to an axial roller borehole in a pressure-tight manner,...
01/10/2012
7407198Radial rotary transfer assembly
A radial rotary transfer assembly including at least one rotor (4) and at least one stationary part (1) The rotor (4) has at least two sealing surfaces (16, 18). Two sliding rings (2, 3) having at least two sealing surfaces (15,...
08/05/2008
7399001Rotary fluid-feed coupling with temperature compensation
A rotary coupling has a nonrotatable stator having a stator passage with an end opening along an axis and a rotor rotatable on the stator about the axis and having a rotor passage with an end axially confronting the stator end. A rotor seal is rotatable with the rot...
07/15/2008
7328921Fluid rotary joint
A device which allows fluid to enter and/or exit the device axially or radially thru multiple ports, on and/or offset from the axis of rotation. One end of the assembly can be rotated axially with respect to the other while keeping fluids isolated from each other. C...
02/12/2008
7163206Fluid seal
A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing...
01/16/2007
7040408Flowhead and method
A flowhead for a well testing system is disclosed. The well testing system comprises a plurality of threaded connection pipes extending from the surface to a subterranean zone of interest which is isolated for testing purposes. Fluid flows from the subterranean zone...
05/09/2006
7033442System and method for ventilation in the fabrication of integrated circuits
In the fabrication of semiconductor integrated circuits, a ventilation system is disclosed which includes a sleeve device, a ventilator and a sensor. The sleeve device has at least one aperture thereon for gas transfer. The ventilator is coupled to the sleeve device...
04/25/2006
7018513Siphon support, system and method for the use thereof
The invention relates generally to an improvement to a rotary joint and stationary siphon system typically for use in the papermaking process. Disclosed is a siphon support that has a bearing that rotatably engages with a siphon and flow openings that allow for stea...
03/28/2006
6719329Swivel having a reduced pressure area
A high pressure swivel includes an inner and an outer wall. Each annular wall is connected to a respective distribution member via apertures which have an axial dimension which is smaller than the diameter of the inlet or outlet. In this way, the pressure area betwe...
04/13/2004
6502601Modular surface mount manifold assemblies
A modular manifold system is provided for interconnecting fluid components of a fluid system in a reduced area. The system is comprised of a one or more bridge fittings having an internal fluid passageway which has an inlet end in fluid communication with...
01/07/2003
6402202Two-way rotary joint for fluids
A two-way rotary joint for fluids is disclosed. An illustrative example of the rotary joint includes a main body provided with two inlet ports, and a rotor rotatably coupled to the main body. The rotor has two passages each in communication with a respect...
06/11/2002
6354633Swivel having a reduced pressure area
A high pressure swivel includes an inner and an outer annular wall. Each annular wall is connected to a respective distribution member via apertures which have an axial dimension which is smaller than the diameter of the inlet or outlet. In this way, the ...
03/12/2002
6343496Can shaping apparatus and method
A method and apparatus for providing a contoured design confirguration in the wall of an open ended container workpiece employs plural molds on a rotating turret an which a plurality of molds are provided with each mold having an inwardly facing wall havi...
02/05/2002
5992901Device for coupling a coolant duct of a rotating part
A device for coupling a coolant duct of a rotating part, especially for a back-up or transport rollers, includes a hollow resilient compensator device fixedly connected to a journal of the rotating part, wherein the journal comprises a bore hole for condu...
11/30/1999
5393102Fitting arrangement for fastening of a steam joint
An arrangement for fastening of a steam joint to a paper machine frame or similar in alignment with the shaft of a steam cylinder is provided. The arrangement utilizes existing fixing points for the support of the old steam joint to the machine frame. Acc...
02/28/1995
5022686Rotating union for two different fluids
The rotating union for two different fluids comprises a hollow shaft (2) mounted rotatably in a stationary housing (1), with two separate axial throughflow channels (4, 5). A slide ring packing assembly is provided between the hollow shaft (2) and two sep...
06/11/1991
4971367Air controlled rotary joint compensator
The invention pertains to the method and apparatus of compensating for the axial bearing load forces imposed upon rotary joints conveying a pressurized fluid medium, such as steam, by imposing an axial force on the rotary joint housing proportional to the...
11/20/1990
4792164Rotary joint for stationary siphon
A rotary joint for a stationary siphon is combined with a roll which has a cavity into which steam is introduced and which is rotatably supported by a frame. The rotary joint includes a main body fixed to an axial end of the roll. A supporting pipe for in...
12/20/1988
4758026Rotary joint with balanced seals
A rotary joint for establishing communication of a pressurized medium with a rotating heat exchanger drum wherein the joint seals and associated structure are of such configuration to permit internal balancing with respect to fluid pressures imposed there...
07/19/1988
4606561Journal mounted rotary joint
A rotary joint for a rotating heat exchanging drum directly attached to the end of the drum journal utilizes a flange and adapter to mount a seal on the journal and the joint body is fixed with respect to the journal and supports a seal plate in which an ...
08/19/1986
4570978Rotary coupling for a plurality of independent fluids
A rotary coupling for the introduction of liquid and/or gaseous media into the drum of a continuous flow washing machine movable in the housing possessing a number of annular chambers (64, 66, 68, 69, 71) arranged coaxially to one another and separated fr...
02/18/1986
4477107Rotating joint with separated bearings and seals
A rotating joint for establishing supply and return fluid flow connections between stationary piping and a rotating drum and syphon pipe and in which separate bearings and seals are provided for a drum shaft and a syphon pipe....
10/16/1984
4422676Multi-passage rotor coupling
A triple passage rotor valve (10) includes a body (12) having an internal cylindrical bore (32) defined by a substantially linear internal surface, a substantially cylindrical rotor member (14) having a substantially linear outer surface (34) located with...
12/27/1983
4254972Stainless steel rotary joint
The invention pertains to a rotary joint for transmitting fluids to or from rotating members characterized by its corrosion resistance, lightweight and tamper-proof construction. The joint includes a sheet metal stainless steel casing in which a tubular n...
03/10/1981
 
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