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Class Information
Number: 264/150
Name: Plastic and nonmetallic article shaping or treating: processes > With severing, removing material from preform mechanically, or mechanically subdividing workpiece > Forming continuous work followed by cutting > Extruding followed by cutting to length > Extruding hollow product
Description: Processes wherein the product is elongated and hollow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425291 |
Apparatus and method for extrusion of thin-walled tubes |
Sep. 16, 2008 |
| 7357893 |
Method and device for the production and filling of containers |
Apr. 15, 2008 |
| 7264764 |
Method of manufacturing branching pipe |
Sep. 4, 2007 |
| 7238317 |
Method of continuously producing a twin-wall pipe with a ventilation zone between a socket and an adjacent elevation |
Jul. 3, 2007 |
| 7175791 |
Process for producing dish-shaped moldings of thermoplastic material |
Feb. 13, 2007 |
| 7169341 |
Process for producing extruded honeycomb bodies and extrusion die |
Jan. 30, 2007 |
| 7097798 |
Equipment and method for manufacturing honeycomb structural body |
Aug. 29, 2006 |
| 6994816 |
Equipment and method for manufacturing honeycomb structural body |
Feb. 7, 2006 |
| 6958120 |
Membrane module |
Oct. 25, 2005 |
| 6939494 |
Method of making ventilation tube |
Sep. 6, 2005 |
| 6827892 |
Method of preparing thin-walled articles |
Dec. 7, 2004 |
| 6797212 |
Method for forming hollow fibers |
Sep. 28, 2004 |
| 6797349 |
Handled container and method of molding the same |
Sep. 28, 2004 |
| 6764627 |
Method of making corrugated part |
Jul. 20, 2004 |
| 6759109 |
Process for manufacturing a multilayer rubber hose and a product thereof |
Jul. 6, 2004 |
| 6740273 |
Method for making balloon catheter |
May. 25, 2004 |
| 6660199 |
Pipe structure and method of manufacture |
Dec. 9, 2003 |
| 6607679 |
Organic PTC thermistor |
Aug. 19, 2003 |
| 6592803 |
Process for producing belt-shaped member from a die-extruded film having a film thickness, die gap relationship |
Jul. 15, 2003 |
| 6527991 |
Method for embossing a foam article |
Mar. 4, 2003 |
| 6521155 |
Chimney-pipe and manufacture of same |
Feb. 18, 2003 |
| 6508972 |
Method for manufacturing rubber tubes |
Jan. 21, 2003 |
| 6503440 |
Process for making a container with a pressure equalization opening and containers produced accordingly |
Jan. 7, 2003 |
| 6464916 |
Method of manufacturing curved hose |
Oct. 15, 2002 |
| 6458301 |
Method for forming weatherseals from an interchangeable insert die assembly |
Oct. 1, 2002 |
| 6399002 |
Method of making a pipe with coupling conforming to pipe diameter |
Jun. 4, 2002 |
| 6303072 |
Process of making an endless belt |
Oct. 16, 2001 |
| 6296804 |
Biaxial stretching of plastic tubes |
Oct. 2, 2001 |
| 6270707 |
Manufacturing method of a highly conductive polytetrafluoroethylene sheet |
Aug. 7, 2001 |
| 6109006 |
Process for making extruded pet containers |
Aug. 29, 2000 |
| 6083441 |
Method for making a stackable and inexpensively transportable splash bar structure |
Jul. 4, 2000 |
| 6019934 |
Hollow extrusion using internal coolant |
Feb. 1, 2000 |
| 5945060 |
Method of making latex-free elastic exercise bands |
Aug. 31, 1999 |
| 5927129 |
Apparatus and process for making cut extruded hollow profiles |
Jul. 27, 1999 |
| 5925309 |
Method for the extrusion of ceramic filter media |
Jul. 20, 1999 |
| 5820812 |
Process for strengthening collagen casings using ultraviolet irradiation |
Oct. 13, 1998 |
| 5762850 |
Technique for manufacturing hose |
Jun. 9, 1998 |
| 5753158 |
Method for manufacturing aspirators for medical and dental use |
May. 19, 1998 |
| 5722135 |
Umbrella rib fabrication method |
Mar. 3, 1998 |
| 5711907 |
Method for producing a weather strip for a motor vehicle |
Jan. 27, 1998 |
| 5665284 |
Process for manufacturing foam-filled extruded products |
Sep. 9, 1997 |
| 5641450 |
Process of making a module including a polysulphonic hollow fiber membrane |
Jun. 24, 1997 |
| 5624617 |
Method of manufacture for catheter lumen lubricity |
Apr. 29, 1997 |
| 5622665 |
Method for making tubing |
Apr. 22, 1997 |
| 5614136 |
Process to form dimensionally variable tubular members for use in catheter procedures |
Mar. 25, 1997 |
| 5569421 |
Process for the production of a foldable blank of plastic foam by cold forming |
Oct. 29, 1996 |
| 5549859 |
Methods for the extrusion of novel, highly plastic and moldable hydraulically settable compositions |
Aug. 27, 1996 |
| 5545297 |
Methods for continuously placing filaments within hydraulically settable compositions being extruded into articles of manufacture |
Aug. 13, 1996 |
| 5534207 |
Method and apparatus for forming an article from recyclable plastic materials |
Jul. 9, 1996 |
| 5525289 |
Method and apparatus for cooling hollow molded product |
Jun. 11, 1996 |
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