| Patent Number |
Title Of Patent |
Date Issued |
| 7097179 |
Apparatus and method for manufacturing rubber-wrapped spiral wound gaskets |
August 29, 2006 |
| A spiral wound gasket made of an elongate band with a portion of the elongate band jacketed by a resilient filler material, the jacketed elongate band wrapped in a plurality of overlapping turns to define a radially thick reinforcing member with the band in each turn enclosed by resi |
| 6984117 |
Apparatus and method for manufacturing gaskets |
January 10, 2006 |
| An apparatus and methods of manufacturing seamless gaskets using expanded intercalated graphite worms, in which an annular die cavity has a central column with a charge inlet in a perimeter wall. Expanded intercalated graphite worms communicate from a source through the charge inlet in t |
| 6926285 |
Jacketed spiral wound gasket |
August 9, 2005 |
| A spiral wound gasket made of an elongate band jacketed by a sealing material, with the elongate band wrapped in overlapping turns to define a radially thick gasket with an inner diameter for being exposed to a material to be sealed and an outer diameter, in which the jacket of the s |
| 6845983 |
Gasket with outer edge damping channel and method and apparatus for manufacturing same |
January 25, 2005 |
| A gasket (10) for sealing flange connections in piping systems for media, while changing a natural frequency of the gasket to avoid resonance in the flange connection, comprising a plate (12) that defines a opening (14) for passage of media through the flange connection sealed with the p |
| 6665925 |
Apparatus and method for manufacturing rubber-wrapped spiral wound gaskets |
December 23, 2003 |
| An apparatus (10) for manufacturing rubber-based spiral wound gaskets,in which a length of an elongate band (22) passes through a bath (34) for applying a coating of a rubber sealing material and then is wound in overlapping relation on a die (100) to make a spiral wound gasket. Wire |
| 6540852 |
Apparatus and method for manufacturing gaskets |
April 1, 2003 |
| An apparatus and methods of manufacturing seamless gaskets using expanded intercalated graphite worms, in which an annular die cavity has a central column with a charge inlet in a perimeter wall. Expanded intercalated graphite worms communicate from a source through the charge inlet in t |
| 6241256 |
Gasket for heat exchanger and method and apparatus for manufacturing same |
June 5, 2001 |
| An apparatus for manufacturing a large-diameter gasket in which a pair of holding presses have press members which selectively bears against an elongate band while a bending press pivots against a portion of the band. The drive press bears against a portion of the band, and with the hold |
| 5797982 |
Apparatus for manufacturing a seamless packing material |
August 25, 1998 |
| A packing material having a resilient core and a uniform non-seamed exterior surface comprising a plurality of discrete compressible particles attached to the flexible core and to each other, the particles being compressed after attachment. The method comprises surrounding the flexible |
