Process for producing a tube sheet
An object of the invention is to provide an injection-molded tube sheet of thermoplastic material for apparatus for transferring heat and/or mass with at least 25 through-holes for receiving tube ends... Read More
Inventors: Gemeinhardt, Hermann; Hoff, Elmar; Schurmann, Erich;, Assignee: Akzo N.V. (Arnhem, NL) |
Apparatus for making a hollow polyethylene terephthalate blow molded article with an integral external projection such as a handle
The present invention is directed to an apparatus for making articles of polyethylene terephthalate (PET), and more particularly to an apparatus for making a blow molded PET article, for instance, a b... Read More
Inventors: Belcher, Samuel L.;, Assignee: Sabel Plastechs, Inc. (Cincinnati, OH) |
Method and apparatus for extrusion blow molding polyethylene terephthalate articles
The present invention is directed to a method and apparatus for extrusion blow molding polyethylene terephthalate articles. Articles produced according to the practice of a preferred embodiment of the... Read More
Inventors: Belcher, Samuel L.;, Assignee: Sabel Plastechs, Inc. (Cincinnati, OH) |
Blow molding a closed plastic drum including two speed compression molding of an integral handling ring
It is the object of the present invention to overcome the above problems heretofore presented with one-piece blow-molded closed plastic drums having an integral compression-molded handling ring by pro... Read More
Inventors: Malik, John H.; Mikula, John J.; Julien, Robert A.;, Assignee: Sonoco Products Company (Hartsville, SC) |
Curable solid polyester resins
OF THE INVENTION Ingredients Crystalline Polyester Crystalline polyesters for use in this invention have an X-ray structure and a fairly sharp melting point. They are solids which at room temperature... Read More
Inventors: Lake, Robert D.;, Assignee: Koppers Company, Inc. (Pittsburgh, PA) |
Compatibilization of hydroxyl-containing fillers and thermoplastic polymers
I claim: 1. A process for compatibilizing a hydroxyl group containing inorgaic filler with a thermoplastic polymer having labile atoms which provide sites for the formation of free radicals which comp... Read More
Inventors: Gaylord, Norman G.;, Assignee: Champion International Corporation (Stamford, CT) |
Apparatus for controlling a plastic extruder
The present invention is concerned with providing an electronic control system for a plastic extruder which automatically controls the melt temperature and the melt pressure in accordance with presele... Read More
Inventors: Koschmann, John E.;, Assignee: Owens-Illinois, Inc. (Toledo, OH) |
Apparatus and method for extruding ethylene polymers
OF THE PREFERRED EMBODIMENTS Although the drawing only illustrates extruder screws and mixers for purposes of practicing the method of the present invention, it will be understood that these screws a... Read More
Inventors: Miller, John C.; Burnett, Archibald L.;, Assignee: Union Carbide Corporation (Danbury, CT) |
Method of operating a screw extruder and screw extruders for carrying out said methods
The invention is based on recognition of the fact that the product properties resulting during the fusion process in a screw extruder are largely determined by the energy introduced. In order to achie... Read More
Inventors: Venzke, Wilfried;, Assignee: Werner & Pfeiderer GmbH (DE) |
Severable multilayer thermoplastic film
The film of the invention comprises interdigitated layers of at least one ductile material, at least one brittle material and, optionally at least one intermediate material. The exact order of the in... Read More
Inventors: Bland, Ralph H.; Peper, William A.; Stambaugh, Bruce D.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Extruder apparatus and process for compounding thermoplastic resin and fibres
This invention has as its primary objective the compounding of thermoplastic resin with reinforcing fibers in a multiple extruder system in such a way as to produce measured preforms of a predetermine... Read More
Inventors: Hawley, Ronald C.;, Assignee: Composite Products, Inc. (Winona, MN) |
Method,apparatus and extrusion nozzle for producing a member from extrudable material
We claim: 1. An extrusion apparatus comprising a barrel for movement of a flowable mass therethrough; a nozzle at one end of said barrel for extrusion of the flowable mass therethrough, said nozzle ha... Read More
Inventors: Stringaro, Jean-Paul; Pfeiffer, Alex;, Assignee: Sulzer Brothers Limited (Winterthur, CH) |
Glass fiber reinforced composition of propylene polymer grafted with styrenic monomer and containing styrenic polymer
OF THE INVENTION Unless otherwise specified all percentages and parts are by weight in this specification. Component (a) of the invention, the grafted propylene polymer material, is present in the am... Read More
Inventors: Kilius, Darrel E.; Eastenson, Kyle D.;, Assignee: Himont Incorporated (Wilmington, DE) |
Carburetor and metering device therefor
OF THE PREFERRED EMBODIMENTS Referring now to the drawings, and in particular to FIG. 1, a four barrel carburetor (indicated generally at 10) of the present invention is shown as mounted on the manif... Read More
Inventors: Krup, William R.;, Assignee: |
Method of forming a fibrous web using a variable transverse webber
The present invention is directed to the high-speed production of blends of long and short fibers that result in a wide variety of composite nonwoven web structures of different widths, thicknesses, s... Read More
Inventors: Marshall, Gerald M.; Farrington, Allan P.;, Assignee: Chicopee (New Brunswick, NJ) |
Method of forming and bonding fluff pads
In the illustration given and with reference to first to FIG. 1, the numeral 10 designates generally the pad forming drum which is seen to support a plurality of circumferentially spaced pockets 11 i... Read More
Inventors: Craig, Grantland A.; Johnson, Gary E.;, Assignee: Paper Converting Machine Company (Green Bay, WI) |
Method of fabricating airlaid articles and apparatus for performing the method
It is accordingly an object of the invention to provide a method and an apparatus for fabricating airlaid articles such as sanitary napkins and diapers, which overcome the hereinafore-mentioned disadv... Read More
Inventors: Svaighert, Mike;, Assignee: Svaighert; Mike (Hallandale, FL); International Design & Mfg., Inc. (Hallandale, FL) |
Apparatus and method for the zoned placement of superabsorbent material
OF THE INVENTION For the purposes of the present description, the invention will be described in the context of producing an absorbent structure for a disposable diaper. It should be readily apprecia... Read More
Inventors: Heath, Mark G.; Hahn, John T.; Sallee, Lorry F.; Mlinar, Joseph A.; Killian, Thomas M.; Olsen, Thomas G.;, Assignee: Kimberly-Clark Corporation (Neenah, WI) |
Method for making shaped nonwoven fabric
Accordingly, an object of the present invention is to provide an improved shaped nonwoven fabric and process for making the same. Another object of the present invention is to provide an improved shap... Read More
Inventors: Griesbach, III, Henry L.; Pike, Richard D.; Gwaltney, Sharon W.; Levy, Ruth L.; Sawyer, Lawrence H.; Shane, Richard M.; Sasse, Philip A.;, Assignee: Kimberly-Clark Corporation (Neenah, WI) |
Arrangement for air-layer fibre bodies on a moving air-permeable conveyor path
This object is achieved in accordance with the invention by means of an arrangement of the kind defined in the introduction which is characterized in that between each pair of means arranged mutually ... Read More
Inventors: Edvardsson, Gunnar; Goransson, Claes;, Assignee: SCA Hygiene Products AB (Gothenburg, SE) |
Apparatus for forming controlled density fibrous pads for diapers and the other absorbent products
OF THE PREFERRED EMBODIMENTS Referring to the drawings FIG. 1, shows the drum assembly 1 which is created by assembling the pocket modules 2 and the shaft flange assembly 4 used for rotating the pock... Read More
Inventors: Toney, Jerry L.; Toney, Nathan E. E.; Najour, Gerald; Ward, Gregory F.;, Assignee: |
Buckle joint
Therefore, the object of the present invention is to provide a buckle joint that is capable of overcoming the aforementioned problem. According to the present invention, a buckle joint comprises: a cl... Read More
Inventors: Cheng, Koon-Ming;, Assignee: Ruey Yuan Co., Ltd. (Taipei, TW) |
Elastomeric materials reinforced with small diameter glass fibers
AND PREFERRED EMBODIMENTS The gist of the present invention lies in the discovery that very fine diameter short glass fibers, which have heretofore been considered merely as insulation fibers without... Read More
Inventors: Heitmann, Glenn Alvin;, Assignee: Johns-Manville Corporation (Denver, CO) |
Bipolar separator for electrochemical cells and method of preparation thereof
We claim: 1. A bipolar separator for electrochemical cells which separates the adjacent anolyte and catholyte chambers and conducts electrical current from the anode of one cell unit to the cathode of... Read More
Inventors: Pellegri, Alberto; Spaziante, Placido M.;, Assignee: Oronzio deNora Impianti Elettrochimici S.p.A. (Milan, IT) |
Flexible sheet molding compound and method of making the same
OF THE PREFERRED EMBODIMENT "Flexibility modifying agent", as used herein, refers to an additive that when used in a resin system will result in a resin system that shows a significant and reproducib... Read More
Inventors: Iseler, Kenneth A.; Duffield, Phoebe; Yen, Robert C.;, Assignee: The Budd Company (Troy, MI) |
Conductive gray in-mold coating
OF THE INVENTION The thermosetting coating compositions of the present invention are based upon a polymerizable epoxy-based oligomer having at least two acrylate (or methacrylate or ethacrylate) grou... Read More
Inventors: Cobbledick, David S.; Reichenbach, Donald F.;, Assignee: GenCorp Inc. (Fairlawn, OH) |
Process for thickening thermoset resin molding compound compositions
This invention relates to a process for making a thickened thermoset resin composition comprising, mixing: (A) a carboxylic acid and optionally amine acceptor containing thermoset resin composition; a... Read More
Inventors: Rinz, James E.;, Assignee: Premix, Inc. (North Kingsville, OH) |
Low pressure sheet molding compounds
This invention relates to low pressure sheet molding compounds and, more particularly, to a composition that is moldable at pressures below about 100 psi, said composition being made by combining: (A)... Read More
Inventors: Butler, Kurt Ira;, Assignee: Premix, Inc. (North Kingsville, OH) |
Metal passivation for anode grade petroleum coke
OF THE INVENTION The present invention provides a method for producing petroleum coke suitable for use in the manufacture of carbon anodes for aluminum production from a petroleum feedstock ("coker f... Read More
Inventors: LeCours, Steven Matthew; Chester, Arthur Warren; Smith, Gary Lester;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Bipolar battery cells, batteries and methods
OF THE ILLUSTRATED EMBODIMENTS General The two most difficult aspects of bipolar battery technology have been the bipolar plate and the seal of the individual cells. Needed or desired properties are ... Read More
Inventors: LaFollette, Rodney M.;, Assignee: Bipolar Technologies, Inc. (Provo, UT) |
Nonmetallic Processes 
