Method for producing chemimechanical high yield pulp using an oxygen alkali treatment followed by an oxygen mechanical defibration
What we claim is: 1. A method for producing chemimechanical pulp at high yield, where yield is defined as the amount of pulp obtained in relation to the input of raw material, in order to achieve stre... Read More
Inventors: Norrstrom, Hans; Idner, Kristina;, Assignee: AGA Aktiebolag (Lidingo, SE) |
Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture
We claim: 1. Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture by means of extractive distillation employing N-substituted morpholine, substitutions of which have no more ... Read More
Inventors: Emmrich, Gerd; Preusser, Gerhard;, Assignee: Krupp=Koppers GmbH (Essen, DE) |
Flame retardant polyester article, method for the production of the same and compositions for retarding the flammability of polyester article
OF THE INVENTION The halogenated phosphoric ester used for the flame detardant composition according to the invention may be selected from the group consisting of tris(2,3-dibromopropyl)phosphate, tr... Read More
Inventors: Tomita, Mikio; Iimura, Masahito; Ueno, Atsumi;, Assignee: Meisei Chemical Works, Ltd. (Kyoto, JA) |
Flame-retardant metal-clad dielectric sheeting comprising a non-woven fibrous layer provided with dimensional stability under etching and soldering conditions by a polyester-diepoxide adhesive
In general, non-woven webs used in metal-clad dielectric sheeting of the invention are prepared by first blending the desired discontinuous or staple fibers; then forming the blend into a fluffy nonw... Read More
Inventors: Miller, Stephen A.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Thermo-sensitive multi-color recording material and process for preparation thereof
OF THE PREFERRED EMBODIMENTS A preferred embodiment of a multi-color thermo-sensitive recording material comprises two thermo-sensitive coloring layers capable of forming different colors respectivel... Read More
Inventors: Kubo, Keishi; Tanaka, Tetsuo;, Assignee: Ricoh Company Limited (Tokyo, JP) |
Coextruded pressure sensitive label stock material with integral peelable backing
What is claimed is: 1. A biaxially oriented label stock product of which comprises: (a) a facing layer in the form of a polyolefin film having an upper surface and a lower surface, a pressure sensitiv... Read More
Inventors: Duncan, Gary L.;, Assignee: Mobil Oil Corporation (New York, NY) |
Contamination protected electrical switch, particularly automotive ignition breaker contact structure
I claim: 1. Contamination protected electrical switch having a closed, cup-shaped housing (15, 16, 22, 30) having a cap portion (16) and an apertured base plate portion (15); a fixed contact (13) loca... Read More
Inventors: Betz, Dieter;, Assignee: Robert Bosch G.m.b.H. (Gerlingen-Schillerhohe, DT) |
Gas-blast circuit breaker
It is the object of the present invention to provide a circuit breaker of the generic type, which can reliably interrupt both small and large currents and which is comparatively small and has a simple... Read More
Inventors: Egli, Walter; Ragaller, Klaus; Schade, Ekkehard; Stelzer, Roland;, Assignee: BBC Brown, Boveri & Company, Ltd. (CH) |
Pushbutton switch assembly
An object of the present invention is to provide an improved electrical switch assembly which overcomes the aforementioned deficiencies. A more particular object of the present invention is to provide... Read More
Inventors: Kopish, Stephen P.; Costantino, Richard;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Central oscillator for induction range using triac burner controls
The present invention is directed to an induction cooking unit having multiple independently duty cycle controlled induction cooking coils excited by a common oscillator providing power at an ultrason... Read More
Inventors: Oates, Robert M.; Heinrich, Theodore M.;, Assignee: White-Westinghouse Corporation (Pittsburgh, PA) |
Apparatus for heating an electrically conductive cooking utensil by magnetic induction
It is according a primary object of the present invention to provide an improved induction heating apparatus which includes control means adapted to prevent over-current through the heater coil. It is... Read More
Inventors: Kiuchi, Mitsuyuki;, Assignee: |
Image blanking circuit for line follower
The aforementioned problem is overcome and other advantages are provided by a window generation circuit adapted for use with scanned arrays of detectors. As used herein, the term "window" is understoo... Read More
Inventors: Kallen, George H.;, Assignee: Union Carbide Corporation (Danbury, CT) |
Ignition distributor
It is therefore one object of the present invention to provide an improved ignition distributor which is high in noise suppressing effect and less in ignition energy loss. Another object of the presen... Read More
Inventors: Sone, Masazumi; Hirota, Yukitsugu; Miyashita, Takao; Igawa, Tatsuo;, Assignee: Nissan Motor Company, Limited (Kanagawa, JP); Hitachi, Ltd. (Tokyo, JP) |
Inverter protected in respect of the rates of increase of current and voltage
The object of the present invention is to provide an inverter in which the energies of the di/dt protective choke and of the du/dt protective capacitor are not dissipated as heat, but they are returne... Read More
Inventors: Komulainen, Risto;, Assignee: Kymi-Stromberg OY (Helsinki, FI) |
Flying magnetic head
Accordingly, an object of the present invention is to provide a composite flying magnetic head with a laminated thin film core being used as a head core which eliminates an unbalanced wear between a s... Read More
Inventors: Shimizu, Tatsushi; Aoki, Hideo; Imazeki, Nobuo;, Assignee: Nippon Mining Company, Ltd. (Tokyo, JP) |
Magnetic head having a core provided on a substrate by means of thin-film technology
What is claimed is: 1. A thin film magnetic transducing head which includes a non-magnetic substrate, a high permeability magnetic circuit structure of metallic ferromagnetic material disposed on said... Read More
Inventors: Koel, Gerrit J.; Druyvesteyn, Willem F.;, Assignee: U.S. Philips Corporation (New York, NY) |
Electrodepositing CoNiFe alloys for thin film heads
The general purpose of the present invention is an electroplating bath for producing a high cobalt magnetic thin film for thin film heads, the magnetic thin film having a high saturation magnetization... Read More
Inventors: Anderson, Nathaniel C.; Chesnutt, Robert B.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Tape cassette and recording and/or reproducing apparatus therefor having cooperative elements for opening cassette lid
An object of the present invention is to provide a tape cassette of the type which has an outer lid and an inner lid for improved protection of the magnetic tape, and which can be used with a tape app... Read More
Inventors: Fujii, Hiroshi;, Assignee: Sony Corporation (Tokyo, JP) |
Thin film magnetic head
In view of the foregoing, this invention has been developed to provide a multi-track thin film magnetic head which does not substantially involve the disadvantages and deterioration inherent in the pr... Read More
Inventors: Nomura, Noboru; Kanai, Kenji; Kaminaka, Nobuyuki; Nouchi, Norimoto;, Assignee: Matsushita Electric Industrial Co., Ltd. (Kadoma, JP) |
Linear actuator for a memory storage apparatus
The rotating disc memory storage apparatus of the present invention includes an improved linear actuator which satisfies the aforementioned objectives. The linear actuator includes a carriage, and mea... Read More
Inventors: Farmer, Paul L.; Gibeau, Frank C.; Brown, Stanley F.; Plonczak, Garold W.;, Assignee: Atasi Corporation (San Jose, CA) |
Head arm damping device for disc drive actuators
Therefore, it is a primary objective of the present invention to provide a device capable of reducing vibrations within a plurality of disc drive head arms, as well as reducing relative movement betwe... Read More
Inventors: Hazebrouck, Henry B.; Castagna, Joseph T.;, Assignee: Priam Corporation (San Jose, CA) |
Recording and reproducing device
It is an object of the present invention to provide a recording and reproducing device which will eliminate the drawbacks with the prior art and is capable of properly opening and closing a shutter in... Read More
Inventors: Shimaoka, Motohiro; Saito, Yukio;, Assignee: Alps Electric Co., Ltd. (JP) |
Magnetic head with laminated structure
A magnetic conductor body conducts magnetic flux between end pieces formed from magnet legs which face the recording medium to form a thin main pole and a comparatively thicker auxiliary pole on one s... Read More
Inventors: Schewe, Herbert; Stephani, Dietrich; Lenhart, Armin;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Adjustable cutting device
What I claim is: 1. A device for plotting and cutting out a window-shaped recess in sheet material such as cardboard, leather, foil and sheet metal, which comprises a pair of angle shaped ruler means ... Read More
Inventors: Weil, Hans Herman;, Assignee: |
Prefabricated disposable fly trap
I claim: 1. A prefabricated blank adapted to be folded into a disposable fly trap, said blank comprising - an elongated approximately T-shaped member of flexible sheet material including - a longitudi... Read More
Inventors: Kaveloski, Robert J.;, Assignee: |
Image synthesizing scope and image synthesizer using the same
It is therefore an object of the present invention to provide an image synthesizing scope which can synthesize and display a composite image by superimposing a video scene on a scene having an increas... Read More
Inventors: Tohyama, Shigeki; Igarasi, Hiroshi; Ohgane, Takumi;, Assignee: Namco Ltd. (Tokyo, JP) |
Cap toss game
These and other objects of the invention are provided in a cap toss game which is characterized by a game board that may be suspended vertically or horizontally and is fitted with an opening, at which... Read More
Inventors: Starnes, Donald W.;, Assignee: |
Circular butterfly
I claim: 1. A throwing implement comprising, a circular saucer having a round surface, a circular rim about the outer periphery of said round surface, a lower ring surface about the inner periphery of... Read More
Inventors: Ueng, Ming-Shean;, Assignee: |
Flying dish
The present invention contemplates a new flying dish. One of its features is the provision at the central part of the disk cover of closed flower petals. Each flower petal is provided with a small whi... Read More
Inventors: Wang, Te-Cheng; Liu, Wen-Tang; Lu, Ke-Chang;, Assignee: |
Disc-shaped throwing toy
The present invention relates to a disc-shaped throwing toy. More specifically, the disc-shaped throwing toy comprises a collapsible shell cooperatively formed by a plurality of segments coupled betwe... Read More
Inventors: Pastrano, Anthony;, Assignee: |
Metal Working 
