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Class Information
Number: 425/469
Name: Plastic article or earthenware shaping or treating: apparatus > Tamp rod, plunger or male shaping member
Description: Apparatus comprising means adapted to be associated with a female mold to compress, compact or distribute material therein.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575706 |
Mold and molding process |
Aug. 18, 2009 |
| 7500845 |
Apparatus and method for forming retaining wall blocks with variable depth flanges |
Mar. 10, 2009 |
| 7393203 |
Mandrel, method of use thereof and production method thereof |
Jul. 1, 2008 |
| 7381047 |
Mold |
Jun. 3, 2008 |
| 7214046 |
Ceramic center pin for compaction tooling and method for making same |
May. 8, 2007 |
| 7112049 |
Deep-drawing tool |
Sep. 26, 2006 |
| 7033156 |
Ceramic center pin for compaction tooling and method for making same |
Apr. 25, 2006 |
| 6787082 |
Compressing mallet with coating treatment |
Sep. 7, 2004 |
| 6749784 |
Method of manufacturing a part out of reinforced plastics material |
Jun. 15, 2004 |
| 6682335 |
Hose molding device |
Jan. 27, 2004 |
| 6575724 |
Apparatus for the production of ring-shaped bodies from concrete |
Jun. 10, 2003 |
| 6513360 |
Resinous die |
Feb. 4, 2003 |
| 6413457 |
Powder pressing apparatus, punch, method for pressing powder and method for manufacturing the punch |
Jul. 2, 2002 |
| 6286339 |
Glass container forming machine plunger assembly |
Sep. 11, 2001 |
| 6106267 |
Apparatus for forming a compression-molded product |
Aug. 22, 2000 |
| 6056532 |
Process for manufacturing the head surfaces of dies cooperating with cylindrical pressure rollers for rotary presses and die manufactured according to this process |
May. 2, 2000 |
| 6053217 |
Method of leveling and compacting candle wax |
Apr. 25, 2000 |
| 6032490 |
Mold for fabricating optical fiber guide block |
Mar. 7, 2000 |
| 5945132 |
Apparatus for making compressed agricultural fiber structural board |
Aug. 31, 1999 |
| 5888559 |
Press for compacting plastic explosive material |
Mar. 30, 1999 |
| 5616351 |
Compaction head of a production machine for reinforced concrete pipes |
Apr. 1, 1997 |
| 5612065 |
Apparatus for producing moldings from, in particular, concrete |
Mar. 18, 1997 |
| 5607704 |
Press RAM for a pelleting machine |
Mar. 4, 1997 |
| 5565221 |
Spacing means for reflex pin block |
Oct. 15, 1996 |
| 5531804 |
Plunger assembly adapter |
Jul. 2, 1996 |
| 5531584 |
Automated trowelling system |
Jul. 2, 1996 |
| 5366367 |
Compacting apparatus |
Nov. 22, 1994 |
| 5342190 |
Apparatus for emplacing viscous material in a cavity |
Aug. 30, 1994 |
| 5100602 |
Method and apparatus for powder filling an isostatic pressing mold |
Mar. 31, 1992 |
| 4919880 |
Core pinch-off for blow molding parison |
Apr. 24, 1990 |
| 4826425 |
Constant amount ceramic batch supplying apparatus |
May. 2, 1989 |
| 4797082 |
Apparatus for forming shaped pieces of insulation |
Jan. 10, 1989 |
| 4789324 |
Molded optic for an intraocular lens |
Dec. 6, 1988 |
| 4781567 |
Compaction evaluation apparatus |
Nov. 1, 1988 |
| 4767310 |
Blow mandrel for extrusion blow molding with agressive blow media |
Aug. 30, 1988 |
| 4623116 |
Apparatus for protecting a pre-formed projecting appendage during plastic molding |
Nov. 18, 1986 |
| 4610834 |
Apparatus and method for installing internal annular rings in tubular box members |
Sep. 9, 1986 |
| 4525132 |
Machine for molding and curing a mass of resilient material |
Jun. 25, 1985 |
| 4475880 |
Tabletting machines |
Oct. 9, 1984 |
| 4450127 |
Method for compacting powder material with adjustable die and punch assembly |
May. 22, 1984 |
| 4395220 |
Apparatus for forming construction blocks |
Jul. 26, 1983 |
| 4319950 |
Mandrel for making a coupling for rigid pressure pipe |
Mar. 16, 1982 |
| 4264647 |
Reference electrode printing process and mask for exhaust gas oxygen sensor |
Apr. 28, 1981 |
| 4256445 |
Trowel means for lining and smoothing the interior of pipes with a protective coating |
Mar. 17, 1981 |
| 4201531 |
Reinforced bearing aperture in thermoplastic sheet material |
May. 6, 1980 |
| 4188178 |
Internally threaded plastic nut |
Feb. 12, 1980 |
| 4184830 |
Trowel for pipe lining material |
Jan. 22, 1980 |
| 4156589 |
Equalizing plate for a vulcanizing press or other such press |
May. 29, 1979 |
| 4123216 |
Coal compacting apparatus |
Oct. 31, 1978 |
| 4047872 |
Device on pressing piston |
Sep. 13, 1977 |
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