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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 277/483 - Disposed in socket or about pin


Subclass of Class 277 - Seal for a joint or juncture
Definition: Particular piston ring expander wherein the radially acting
No. of patents: 4
Last issue date: 10/11/1988


NumberTitleIssue Date
4776261Reciprocating engine piston seal
Apparatus for sealing the gap between a piston and engine cyinder wall of either a reciprocating engine or a reciprocating compressor. The apparatus includes a plurality of functionally-identical, gas-bearing-supported seal blocks that locate in a slot ru...
10/11/1988
4637617Device for forcing piston ring radially outwardly
A device for forcing a piston ring, which is a sealing member between the bore wall of a cylinder and the cylindrical outer surface of a piston, radially outwardly. The head of a plunger which forces the piston ring radially outwardly is semispherical and...
01/20/1987
4632405Device for forcing piston ring radially outwardly
A device for forcing a piston ring, which is a sealing member interposed between the cylindrical outer surface of a piston and the bore wall of a cylinder, radially outwardly beyond the cylindrical outer surface of the piston. A plunger rod which forces t...
12/30/1986
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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