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Class Information
Number: 72/63
Name: Metal deforming > By application of fluent medium, or energy field > Using fixed die > Utilizing diaphragm between fluid and work
Description: Subject matter comprising a step of, or means for, utilizing a membrane or wall of solid, yieldable material, one surface thereof being intended to engage work and to transmit thereto force which is developed by fluent material under pressure engaging the opposite surface thereof during an operation of the class type.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7509827 |
Device and method for expansion forming |
Mar. 31, 2009 |
| 7493787 |
Electro-hydraulic forming tool having two liquid volumes separated by a membrane |
Feb. 24, 2009 |
| 7461531 |
Press plant and a method and use for it with a pressure cell and a divisible tray |
Dec. 9, 2008 |
| 7380429 |
Tubular local expansion apparatus and method of locally expanding tubular member for vehicles |
Jun. 3, 2008 |
| 7296449 |
Dry hydraulic can shaping |
Nov. 20, 2007 |
| 7210323 |
Binder apparatus for sheet forming |
May. 1, 2007 |
| 7165301 |
Motorcycle rear suspension swingarm assembly |
Jan. 23, 2007 |
| 7155948 |
Forming tool |
Jan. 2, 2007 |
| 7155949 |
Fluid cell press with a gripping arrangement and method and use of the press |
Jan. 2, 2007 |
| 7150171 |
Pressure cell press comprising a tray, and a method for manufacturing said tray |
Dec. 19, 2006 |
| 7127925 |
Diaphragm support and a method for initial sealing in a pressure cell |
Oct. 31, 2006 |
| 7124618 |
Clamp assembly for hydroforming die |
Oct. 24, 2006 |
| 7080536 |
Device for manufacturing formed parts by internal high pressure deformation |
Jul. 25, 2006 |
| 6955070 |
Device for punching work pieces in an internal high-pressure forming tool |
Oct. 18, 2005 |
| 6935150 |
Superplasticity forming mould and mould insert |
Aug. 30, 2005 |
| 6837088 |
Blow-forming flask and tool assembly |
Jan. 4, 2005 |
| 6631630 |
Hydroforming of composite materials |
Oct. 14, 2003 |
| 6591649 |
Method and apparatus for pulsed discharge forming of a dish from a planar plate |
Jul. 15, 2003 |
| 6513359 |
Fluid form |
Feb. 4, 2003 |
| 6354125 |
Apparatus and method for hydroforming workpieces |
Mar. 12, 2002 |
| 6308545 |
Method and apparatus for forming blanks |
Oct. 30, 2001 |
| 6178796 |
Device and method for shaping flat articles |
Jan. 30, 2001 |
| 6079245 |
Device and method for straightening out damaged metal and plastic elements |
Jun. 27, 2000 |
| 5927120 |
Apparatus for performing a hydroforming operation |
Jul. 27, 1999 |
| 5829137 |
Method for manufacturing wheels |
Nov. 3, 1998 |
| 5671629 |
Hydrostatic forming device and process |
Sep. 30, 1997 |
| 5649438 |
Method and apparatus for pneumatic forming of thin foil materials |
Jul. 22, 1997 |
| 5638724 |
Method of making a ceramic die |
Jun. 17, 1997 |
| 5540075 |
Method and apparatus for shock release of thin foil materials |
Jul. 30, 1996 |
| 5533372 |
Controlled material flow hydroforming |
Jul. 9, 1996 |
| 5415021 |
Apparatus for high pressure hydraulic forming of sheet metal blanks, flat patterns, and piping |
May. 16, 1995 |
| 5339666 |
Apparatus for generating a detonation pressure |
Aug. 23, 1994 |
| 5255550 |
Device for drawing sheet materials in particular sheet blanks |
Oct. 26, 1993 |
| 5144825 |
Elevated temperature envelope forming |
Sep. 8, 1992 |
| 5067336 |
Device for pressing sheet material |
Nov. 26, 1991 |
| 5016458 |
Method and device for pressing sheet material with a deformable punch under a ram |
May. 21, 1991 |
| 4909337 |
Rotor of a screw hydraulic downhole motor, method for its production and a device for its production |
Mar. 20, 1990 |
| 4811584 |
Thermal processing methods |
Mar. 14, 1989 |
| 4794774 |
Method of preparing a dental restoration |
Jan. 3, 1989 |
| 4770015 |
Process and device for press-forming sheet material having a small elongation |
Sep. 13, 1988 |
| 4765166 |
Cavity forming press |
Aug. 23, 1988 |
| 4748837 |
Method of forming spherical shells |
Jun. 7, 1988 |
| 4729806 |
Method for making tubes having low weight |
Mar. 8, 1988 |
| 4711111 |
Forming press mat utilizes trays formed of thin bottom plates and separate annular frames |
Dec. 8, 1987 |
| 4693103 |
Forming press of the pressure cell type and a process for changing diaphrams in such a press |
Sep. 15, 1987 |
| 4691857 |
Method of shaping a workpiece |
Sep. 8, 1987 |
| 4676086 |
Press of pressure cell type |
Jun. 30, 1987 |
| 4672832 |
Method and apparatus for tube expansion |
Jun. 16, 1987 |
| 4658618 |
Forming press of the pressure cell type |
Apr. 21, 1987 |
| 4644626 |
Forming of metal articles |
Feb. 24, 1987 |
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