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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 384/32 - For piston rod


Subclass of Class 384 - Bearings
Definition: Subject matter where the bearing is for a piston rod shaft.
No. of patents: 11
Last issue date: 11/15/2005


NumberTitleIssue Date
6964521Compliant linear bearing
A bearing outer shell encases a self-lubricating polymeric bearing pad material concentrically therein. A helical spring applies a force through from the outer shell, through the bearing pad material, and onto a shaft when the bearing is installed on a shaft. An ela...
11/15/2005
5782162Cylinder piston rod guide
A guide (30) for surrounding and sealing a rod (26) in the end of a hydraulic cylinder (12) including a piston (24) slidably disposed in the cylinder (12) and attached to the end of the rod (26) and a method for manufacturing the guide (30). The guide (30...
07/21/1998
5131615Support column
A chair column comprises a stand tube. A support bush is inserted into the upper end portion of the stand tube. A gas spring cylinder extends axially through the receiver bush. The piston rod is directed downward and is connected with a bottom of the stan...
07/21/1992
5052278Fluid cylinder with improved wear rings
A fluid cylinder has improved wear rings in a combination that includes a tube having a tubular wall and first and second end caps. The tubular wall defines a cylinder bore that has a central axis. Each end cap also has a bore extending along the central ...
10/01/1991
4928577Piston and cylinder unit
It is a question of a piston and cylinder unit comprising a cylinder barrel defining a piston space, a piston able to run axially in said barrel with a support action due to a peripheral bearing surface of the barrel. The piston includes at least one annu...
05/29/1990
4890937Spring-loaded bearing
A cartridge bearing assembly includes a non-resilient tubular bearing element and a spring for causing the tubular bearing element to float with a shaft therethrough within a surrounding housing. Because loading between the bearing element and the shaft i...
01/02/1990
4848524Telescopic appliance
In a telescopic apparatus, an inner telescopic part is axially displaceable in wobble-free manner in an outer telescopic part. For the guidance of the inner telescopic part a carrier sleeve is inserted into the outer telescopic part. The carrier sleeve ac...
07/18/1989
4796516Actuator providing guided linear displacement
An improved linear guiding mechanism with a standing part and a moving part which have respective uniform cross sections. A pair of spaced guiding channels is formed between these parts and respective linear ball bearings are arranged in both channels tha...
01/10/1989
4541606Ram-type blowout preventer
A ram-type blowout preventer including a body with a central bore and guideways extending outward therefrom, a ram in each guideway with means for moving it inward and outward and means for compensating for wear of the guideway or ram including at least o...
09/17/1985
4244627Lift cylinder assembly
A lift cylinder including a tubular outer cylinder having an inner cylindrical surface cooperable with an extendible piston and piston rod assembly to define an annular space therebetween, and an annular guide bushing supported within the annular space in...
01/13/1981
4184718Tool slide apparatus
A slide apparatus for feeding a tool or other element in one direction in a straight line at a controlled rate for a predetermined distance is provided characterized by a base having top, side, bottom and opposing end outer surfaces with tubular internal ...
01/22/1980
 
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