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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 277/546 - Particular segment end structure


Subclass of Class 277 - Seal for a joint or juncture
Definition: Segmented ring wherein the segmented ring portions have
No. of patents: 20
Last issue date: 04/24/2012


NumberTitleIssue Date
8162325Multipart packing ring
A multipart packing ring for sealing a piston rod of a compressor includes ring segments and sealing segments which are alternatingly arranged to form a ring. The ring segments include a curved main part and an axial shoulder and the sealing segments include a curve...
04/24/2012
8123228Augmentor spray bar mounting
A gas turbine engine augmentor has a centerbody within a gas flowpath from upstream to downstream. The augmentor has upstream and downstream shell sections, a downstream rim of the upstream shell section meeting an upstream rim of the downstream shell section shell ...
02/28/2012
7147774Sliding plate filter with segmented sealing ring
A filtration apparatus for use in polymer processing includes a housing having an internal bore for directing polymer flow and a channel oriented transversely to the bore. A slide plate for supporting filters is movable through the channel and across the bore. An an...
12/12/2006
7127912Multi-chambered container with collared O-ring
A modified multi-chambered container including a container body defining a central (e.g., liquid) chamber, a neck defining an opening to the central chamber, a flange extending upward from the neck, and a groove formed in the neck around the first opening. A collare...
10/31/2006
7017916Shaft seal assembly and its associated method of manufacture
A system and method of manufacturing improved wear ring assemblies and positive pressure shaft seals. The wear ring assemblies are made from stacked layers of flat metal. Different shaped component parts of the wear ring assemblies are cut from various sheets of met...
03/28/2006
6959930Combination oil scrapper ring/gas seal assembly
A ring assembly, including a first oil scraper ring, a center oil scraper ring and a gas seal ring, adapted for disposition in a single groove of a packing cup which can be stationarily mounted over and around a reciprocally movable piston rod of a gas compressor. T...
11/01/2005
6935631Sheet brush seal
A primary technical goal of the present invention is to improve seal performance of a brush seal and to provide flexibility for preventing wear of the brush seal due to friction. The sheet brush seal disk comprises a first halved brush seal disk and a mating second ...
08/30/2005
6651986Retractable packing ring lower half segment retaining key and method for retaining retractable packing ring lower half segment
A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular packing or sealing ring segments movable toward and away from the rotating component. To prevent circumferential displacement of the low...
11/25/2003
6588764Segmented labyrinth seal assembly and method
A segmented labyrinth seal assembly and method according to which a plurality of arcuate segments extend around a rotating shaft with the shaft being engaged by a sealing portion of each segment, thus sealing against the movement of fluid in an axial dire...
07/08/2003
6585270Hydrogen seal ring having seal at ring intersegment
A seal is provided at the intersegments of hydrogen seal rings for preventing oil leakage through this potential gap between the seal ring segments. By minimizing leakage through the gaps between the open rings, hydrogen consumption in hydrogen-cooled gen...
07/01/2003
6502823Actuating seal carrier for a turbine and method of retrofitting
A seal assembly is provided for a rotary machine wherein the rotary machine comprises a rotor and a casing. The rotor comprises a generally longitudinally-extending axis wherein the casing is generally coaxially aligned with the axis. The casing circumfer...
01/07/2003
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
6431550Hydrogen seal ring having seal at ring intersegment
A seal is provided at the intersegments of hydrogen seal rings for preventing oil leakage through this potential gap between the seal ring segments. By minimizing leakage through the gaps between the open rings, hydrogen consumption in hydrogen-cooled gen...
08/13/2002
6419235Segmented obturator ring
Obturator ring comprising two or more pieces each being a little larger than semicircle of the projectile obturator ring groove circumference. Each piece at natural position has equal or smaller radius than the radius of the obturator ring groove of a pro...
07/16/2002
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
6076832Split seal
A split seal (1) having an annular cross-section and a central axis (X) comprises at least two components (2,3) of arcuate form, each component having two end portions (4,4',5,5') and each end portion having a surface (F1,F2) formed and arranged for matin...
06/20/2000
5145189Hydro-lift dynamic circumferential seal
A hydro-lift seal for the bore region of a seal segment having a shallow groove inlet on the high pressure side of the seal segment. The shallow groove inlet is aerodynamically connected to a shallow groove which extends in the direction of rotation of a ...
09/08/1992
4399999Segmented annular seal for missle launch tube
A seal for a large annular space formed from a plurality of overlapping seal segments disposed in a circular array; each seal segment having step margins which overlap when the segments are abutting each other in a circular array, each seal segment also h...
08/23/1983
4350349Rod packing
This invention relates to an improved rod packing characterized by a single segmented ring having three circumferentially-grooved 120° segments held together in abutted end-to-end circle-forming relation by an endless spring seated in the groove, a circu...
09/21/1982
4289322Gland pack for reciprocating machines operating at high pressure
A gland pack for reciprocating plunger machines operating at high pressure, comprising three-element seal assemblies housed in cavities at the head end of the pack, each element comprising a seal ring constructed of a self-lubricating plastics material an...
09/15/1981
 
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