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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 277/493 - Segmented piston ring


Subclass of Class 277 - Seal for a joint or juncture
Definition: Piston ring wherein the piston ring"s perimeter is
No. of patents: 15
Last issue date: 12/20/2005


NumberTitleIssue Date
6976399Wiper ring and ball screw provided with wiper ring
A wiper ring to be applied to a nut of a ball screw having a screw shaft comprises a plurality of segments each constituted as independent element having a seal portion to be contacted to the screw shaft, support pins extending in an axial direction of the screw sha...
12/20/2005
6793222Oil scraper piston ring having circumferentially distributed recesses
An oil scraper piston ring includes an inner circumferential surface; an outer circumferential surface adapted to contact and slide along an inner wall of an engine cylinder; a radial wall thickness defined by a radial distance between the inner and outer circumfere...
09/21/2004
6712363Compression ring sealing device with end gap control and a method of manufacturing same
A sealing method and method according to which a first and second ring are each provided with split ends, and an arcuate lip extends from one end portion of the each ring and in an axial direction relative to the ring and projects outwardly from the face of the ring...
03/30/2004
6457722Sealing element for dry running systems and the use of a sealing element of this kind
A sealing element for dry running systems has a segmented sealing ring (2) which comprises at least two ring segments (21) which are arranged adjacently in its peripheral direction, with two adjacent ring segments (21) each contacting one another in the a...
10/01/2002
6378875Sealing ring
The invention relates to a sealing ring for sealing a piston rod of a piston compressor. The sealing ring comprises three segments, wherein the segments have portions extending in the circumferential direction of the sealing ring, which form an overlappin...
04/30/2002
6367805Stripping arrangement
In a stripping arrangement for preventing liquid from penetrating at the peripheral gap (1) between a reciprocating component (2) and a casing opening (3) surrounding the latter, a choke ring (8) is provided on the side facing the inlet of the liquid to b...
04/09/2002
6286837Compressor piston rod packing ring set
A set of piston rod packing rings for use in each of the packing cups of a gas compressor is disclosed. The packing ring set includes segmented first and second rings constructed of a material such as plastic, nylon, Teflon or bronze. The segments of the ...
09/11/2001
6193236Packing seal having at least two axially adjacent segment rings
A packing seal is provided which is intended in particular for reciprocating piston engines and which can be placed into a circumferential groove of a piston of such a reciprocating piston engine. The packing seal includes a first segment ring (1), which ...
02/27/2001
5039060Control valve vibration damper/isolator
A damper/isolator device having four ring segments (38) which are retained in slots (36) in an upper guide (31). The four segments (38) are forced radially outward against a valve bonnet liner (30) and are retained and centered within the slot (36) by ser...
08/13/1991
4986168Piston and multilayer piston ring set
Compression piston ring for internal combustion or compressor cylinder and piston comprising double layer of segmented ring sectors having free form circumferential curvature matching the cylinder bore. The double layers are adapted to effectively seal or...
01/22/1991
4966068Split ceramic piston ring arrangement with nested biasing ring
A piston-ring arrangement for use in an internal combustion engine including a cylinder with a piston axially displaceable within the cylinder and at least one piston ring guided in the cylinder. The cylinder, piston and piston-ring are made of a ceramic ...
10/30/1990
4757751Ram couling and cylinder end seal assembly for high pressure cylinder
The plunger of the high - pressure cylinder has a driving ram coupled at one end. The coupling includes an annular groove on the plunger end and a two - piece collar with inner ridge. A cup - shaped collar retainer and a snap ring retain the collar in the...
07/19/1988
4570945Piston ring having shape of an ellipse or an elongated circle
A piston ring for an internal combustion engine having a piston and a cylinder of an elliptical or oblong circular cross-sectional shape is divided into two or more segments which are connected end to end in a ring. Each of the end-to-end joints between t...
02/18/1986
4256067Oblong piston rings for internal combustion engine
An internal combustion engine has an oblong piston mounted to reciprocate within an oblong cylinder. The piston is elongated in a direction parallel to the axis of the crankshaft and is provided with piston rings which have sliding contact with the surfac...
03/17/1981
4050702Segmented sealing structure
A packing ring for use between two surfaces to be sealed relative to each other is comprised of two ring components each of which is constituted by an assembly of ring segments which are provided with a projection at one end which engages a complementaril...
09/27/1977
 
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