1
Schrenk Walter J, Chisholm Douglas S, Cleereman Kenneth J, Alfrey Jr Turner: Apparatus for the preparation of multilayer plastic articles. The Dow Chemical Company, September 18, 1973: US3759647 (141 worldwide citation)

Multiple layer films are made by arranging a minimum of two streams into one stream having a plurality of generally parallel layers. By mechanically manipulating the layered stream, an increased number of layers are obtained and the manipulating stream is shaped into a desired configuration having a ...


2
Krause Edward K, Kuenzel Kenneth J: Fluoropolymer composite tube and method of preparation.. Pilot, July 14, 1993: EP0551094-A1 (71 worldwide citation)

Described herein is a method of preparing a fluoropolymer composite tube comprising the steps of activating a formed fluoropolymer substrate by subjecting the substrate to a charged gaseous atmosphere formed by electrically ionizing a gas which contacts the substrate and thereafter applying a layer ...


3
Takahashi Keiichi: Method for making thermoplastic synthetic resin hollow structure articles. June 6, 1972: US3668288 (57 worldwide citation)

A method for continuously making hollow structures of thermoplastic synthetic resin. The resin is heated and extruded to form a continuous hollow structure. Fluid coolant is forced onto the outer surface of the structure and subsequently removed so as to provide for cooling of the outer surface of t ...


4
Bagley Rodney D: Extrusion apparatus for forming thin-walled honeycomb structures. Corning Glass Works, Turner Burton R, Patty Jr Clarence R, September 16, 1975: US3905743 (56 worldwide citation)

Apparatus for forming thin-walled honeycomb structures is provided in the form of an extrusion die having an outlet face provided with a gridwork of interconnected discharge slots and an inlet face provided with a plurality of feed openings extending partially through said die in communication with ...


5
Carlos A Fontirroche, Csaba Truckai: Extrusion method. Cordis Corporation, Gerstman & Ellis, November 5, 1991: US05063018 (48 worldwide citation)

Multiple lumen tubing is extruded by first extruding an inner tube of molten plastic about a metallic, bore-forming mandrel wire, followed by extruding about the inner tube an outer tube of molten plastic having a lumen formed by air mandrel means, with the inner and outer tubes being bonded togethe ...


6
William E BeVier: Extrusion die for the manufacture of monolithic adsorption tubes. Arthur S Cookfair, James J Ralabate, March 27, 2001: US06206675 (42 worldwide citation)

The invention relates to an extrusion die for the manufacture of monolithic adsorption tubes having a solid body portion with a multiplicity of tunnels for the passage of gas. The die comprises a multiplicity of rods positioned within an outer cylindrical housing and oriented parallel thereto. The r ...


7
Neil F Mitchell, Lie K Djiauw: Elastomeric film. Shell Oil Company, November 26, 1991: US05068138 (40 worldwide citation)

A composition is provided which is suitable for extrusion blowing to form an elastomeric film. The film produced from this composition has a very low modulus, high elongation and excellent elastic recovery. The composition includes: two hydrogenated block copolymers each including at least two block ...


8
Schippers Heinz: Apparatus for producing a multi-layer blown tubular thermoplastic film. Barmag Barmer Maschinenfabrik Aktiengesellschaft, March 21, 1972: US3650649 (40 worldwide citation)

Apparatus for the continuous extrusion of a multi-layer blown tubular thermoplastic film wherein the extrusion die is rotatably mounted about a vertical extrusion axis in feed connection with an extruder in which the screw axis coincides with the vertical extrusion axis and also in feed connection w ...


9
Graham Lionell, Mathis Terry Don, Holman James Robert, Viriyayuthakorn Montri: Sub-miniature optical fiber cables, and apparatuses and methods for making the sub-miniature optical fiber cables. At & T, March 12, 1997: EP0762171-A1 (39 worldwide citation)

A simplex optical fiber cable of this invention includes an optical fiber (4), a buffer (5) preferably of nylon, surrounding and in contact with the optical fiber, a yarn layer with strength fibers (7), preferably aramid fibers, disposed about the buffer and a sheath (8) preferably formed of polyvin ...


10
Bradshaw Noel James, Taylor Kenneth William: Sausage preparation process. Lever Brothers Company, November 23, 1971: US3622353 (39 worldwide citation)

Collagen-coated food products, particularly sausages, are prepared by extruding the collagen in tubular form upon the foodstuff and then setting it, one or both surfaces of the collagen being subjected during extrusion to frictional forces acting about the axis of extrusion. Such forces are convenie ...