Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7297235 | Method and apparatus for making molded filter elements Apparatus for forming fibrous filter elements such as tubular elements molded from borosilicate microfibers. Molding rigs are supplied with a slurry from a system including a holding tank and a reservoir. The reservoir is coupled to a water intake and also receives ... | 11/20/2007 |
| 7118649 | Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker A loudspeaker diaphragm manufacturing apparatus of the present invention comprises; a paper tank, a pulp dispersion reservoir tank connected to the paper tank, a stirring means provided in the paper tank, a water inlet unit connected to the paper tank, a drain unit ... | 10/10/2006 |
| 7008509 | Molded body with projected part, dry mold for manufacturing the molded body, and method and device for manufacturing the molded body A molded body formed with pulp mold having projected lines corresponding to a slit-shaped vent package part, capable of being provided by paper-making/dewatering, using a paper making mold, a slurry having fibers dispersed in a liquid so as to obtain a three-dimensi... | 03/07/2006 |
| 6994772 | Method of manufacturing hollow fiber formed body, fiber formed hollow body, and device for manufacturing the hollow fiber formed body Disclosed is a method of producing a fiber-molded hollow article by using a papermaking mold (2) composed of splits (21, 22) which are joined to form a cavity (20) having two openings (20a, 20b) connecting with the ou... | 02/07/2006 |
| 6461480 | Method of manufacturing pulp mold formed product A pulp molded article is produced by depositing pulp fiber on the outer surface of a papermaking core mold having a plurality of interconnecting paths connecting the outside and the inside to form a pulp deposited body, placing the pulp deposited body in ... | 10/08/2002 |
| 6352617 | Pulp-forming mold-releasing machine An improved pulp-forming mold-releasing machine having a turnaround table being reciprocatingly rotatable at a prearranged position within the machine body. A net mold (pulp-sucking mold) includes protruding forming members on the surface thereof while th... | 03/05/2002 |
| 6245199 | Automatic pulp-forming mold-releasing machine A automatic pulp-forming mold-releasing machine comprising a lower mold disposed inside of a frame body, capable of reciprocatingly turning upside down and having protruding forming parts at top and bottom sides thereof which include air vents on the surf... | 06/12/2001 |
| 6136150 | Method and device achieveing a flow of stock in a forming tank The invention relates to a method and an arrangement for producing a flow of stock in a moulding tank (1). In this, stock is pumped into the moulding tank (1) at the bottom (1a) and allowed to flow up over the brim (1b) thereof. During its rise in the mou... | 10/24/2000 |
| 6083447 | Method for molding articles from a fibrous slurry An apparatus and method for molding articles from a fibrous slurry. The apparatus comprises a forming die manufactured from a water insoluble, porous, relatively rigid and easily shaped material having molding surface shaped to the contour of the article ... | 07/04/2000 |
| 6013214 | Method for manufacturing filter element In a filter manufacturing method, during a time period from the start of the suction of the slurry to a point in time when fibers in the slurry accumulate on the outer peripheral surface of the protector to a prescribed thickness, the protector and its le... | 01/11/2000 |
| 5817216 | Method of producing wet frictional material In a method of producing a wet frictional material according to the present invention, paper-making stock solution is circulated and stirred between a paper-making tank and a raw-material tank so that the concentration of the paper-making stock solution i... | 10/06/1998 |
| 5755963 | Filter element and fabrication method for the same A filter element for use in an oil filter is composed of main fibers of at least 5 μm diameter and micro fibers of less than 5 μm diameter. The micro fibers are filled in a density of 0.005 to 0.02 g/cm3. A slurry including the fibers is draw... | 05/26/1998 |
| 5104598 | Process for producing light-weight fiber brick A light-weight fiber brick is formed from a water-fiber suspension including ceramic fibers. A molding device is introduced into the suspension and has plurality walls including at least three walls each of which extends perpendicular to the other two of ... | 04/14/1992 |
