Magneto-optical recording medium having a plurality of ferromagnectic thin layers
It is an object of the present invention, therefore, to provide a magneto-optical device which is capable of carrying out recording and reading operations including erasing through magnetic heads and ... Read More
Inventors: Katsuragawa, Tadao;, Assignee: Ricoh Company, Ltd. (Tokyo, JP) |
Magneto-optical light modulator
The present invention provides a novel magneto-optical modulator, which can operate in response to variations in incident light intensity and which is capable of operating with a short switching time.... Read More
Inventors: Katsuragawa, Tadao;, Assignee: Ricoh Company, Ltd. (Yokohama, JP) |
Photoelectric garbage bin
OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 and 2, a photoelectric garbage bin of the present invention is generally comprised of a rectangular housing 2, a dustbin 3, a horizontal motor 4, a r... Read More
Inventors: Sheu, Miin-Shiou;, Assignee: |
Masonry construction device
The invention affords a highly advantageous and versatile masonry construction device which solves the foregoing problems and has significant advantages over known masonry construction devices. Device... Read More
Inventors: Hodges, Philip R.;, Assignee: |
Brick mason's spacer and method of using the spacer
A finger-mounted tool to enable a brick mason to evenly space adjacent bricks comprises an elongate flexible finger cot or sheath having a finger receiving cavity and an integral spacing member or blo... Read More
Inventors: Shank, Donald H.;, Assignee: |
Window frame assembly
We claim: 1. In a basement window assembly having header, sill and jamb members cooperating with one another to define a window opening, the improvement wherein each of said members comprises; (a) a p... Read More
Inventors: Citrullo, Joseph; Guelck, Volker;, Assignee: Citrullo; Joseph (Islington, CA) |
Pivotably interlocking rigid heat-resistant tiles
I claim: 1. A rigid, heat-resistant tile having generally rectangular and parallel broad faces which with identical tiles can form an interlocking train or field of tiles wherein the ends of contiguou... Read More
Inventors: Keith, Roger H.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Combination void drain vent chain
Applicant's invention is an improvement on the prior art in that it is fixedly attached to the void form and may be used where there are no reinforcing strands available and is particularly adapted fo... Read More
Inventors: Cowan, John D.;, Assignee: |
Self-supporting building elements and method of manufacture
In a compact self-supporting element with varying layers according to the invention, at least one outside layer intended to be subject to pulling and pushing, consists of concrete obtained by the mixi... Read More
Inventors: Margerie, Gilbert C. A.;, Assignee: |
Process for forming concrete machine tools
The present invention is a process for constructing machine tools. The process includes constructing a form, pouring concrete into the form, allowing the concrete to set, and grinding the sliding surf... Read More
Inventors: Rogers, Albert J.; Smith, Michael E.; Trounson, James E.;, Assignee: Cemtronics (Washington, DC) |
Method of applying a polyolefin coating to pipe
Accordingly, it is a principal object of the present invention to provide an improved method for surface bonding a coating of plastic material and the article produced thereby. Another object of the p... Read More
Inventors: Upchurch, Thurman H.;, Assignee: AMSTED Industries Incorporated (Chicago, IL) |
Polyamide-imide compositions and articles for electrical use prepared therefrom
What is claimed is: 1. An article for electrical use, comprising (a) an aromatic polyamide-imide having a reduced viscosity of from about 0.3 to 1.5 and repeating units for the formula, ##STR72## wher... Read More
Inventors: Ohmura, Kaoru; Shibasaki, Ichiro; Kimura, Takeo;, Assignee: Asahi Kasei Kogyo Kabushiki Kaisha (Osaka, JP) |
Process for forming conductive through-holes through a dielectric layer
The present invention is directed to a process for making an electrically conducting path in a dielectric layer sandwiched between two conductive layers comprising (a) forming a noncircular hole compl... Read More
Inventors: Johnson, Daniel D.; Fritz, Herbert L.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Modular building construction and method of building assembly
A plurality of panels of strawboard are erected in a closed figure, preferably a square, on a foundation and their base edges mechanically secured to the foundation. The side edges of the panels are b... Read More
Inventors: Glassco, Robert B.; Noble, Robert L.;, Assignee: Mansion Industries, Inc. (City of Industry, CA) |
Clear wall panel system
One aspect of the present invention is to provide a movable transparent panel for reconfigurable floor-to-ceiling office partitions and the like. The panel includes a floor track shaped to be supporte... Read More
Inventors: Halvorson, Jr., Harold; Juhlin, Gary S.; Lewis, David M.; Davies, James H.; Benoit, Richard A.; Luchetti, Robert J.; Greenberg, Peter C.;, Assignee: Steelcase Development Inc. (Grand Rapids, MI) |
Wall construction for architectural structure
The present invention has been made in view of the foregoing disadvantages in the prior art. In accordance with the present invention, there is provided a wall construction for an architectural struct... Read More
Inventors: Funaki, Motokatsu;, Assignee: |
Steel tile roof
OF A PREFERRED EXEMPLARY EMBODIMENT A preferred exemplary embodiment of a water tight and fire proof steel tile roofing system in accordance with the present invention, as illustrated in FIGS. 1 thro... Read More
Inventors: Naden, Robert W.;, Assignee: |
Thermal barrier extrusions
It is, therefore, an object of the invention to provide an improved construction of a structural, thermal barrier, architectural extrusion having an improved mechanical interlock for the thermal barri... Read More
Inventors: Ford, Jeffrey R.;, Assignee: Azon Systems, Inc. (Kalamazoo, MI) |
Composite reinforcement
We claim: 1. A composite reinforcement for use in construction comprising: a first plurality of continuous fibers forming a core for said composite reinforcement; a second plurality of continuous fibe... Read More
Inventors: Arumugasaamy, Panchadsaram; Greenwood, Mark E.;, Assignee: Owens-Corning Fiberglas Technology, Inc. (Summit, IL) |
Door fastening means
The lock actuating means of the present invention is especially adapted for use with a door frame having upper and lower elements, a door having a vertical edge hinged to the frame, keeper members sec... Read More
Inventors: Hansen, Randall C.; Miller, Kenneth J.;, Assignee: A. L. Hansen Mfg. Co. (Gurnee, IL) |
Method of vulcanizing a prevulcanized tread
The problem of the present invention is therefore to so improve the method described hereinbefore, whilst avoiding the use of a fixed or flexible casing, that any deformation of the tyre is prevented,... Read More
Inventors: Wapelhorst, Friedrich-Wilhelm; Kalkoff, Heinz-Dieter;, Assignee: Trappe; Lieselotte (Wetter, DE) |
Door
I claim: 1. A door for separating two rooms and comprising: a frame member having a side which, in use, is presented to one of the two rooms and also having a marginal region, adjacent said side, whic... Read More
Inventors: Schulthess, Hans;, Assignee: Novopan Aktiengesellschaft (Klingnau, CH) |
Fire-resistant sandwich core assembly
According to the present invention there is provided a fire-resistant panel assembly comprising: a core of high density particle board having a pair of major faces; a protective sheet of rigid, high t... Read More
Inventors: Luckanuck, John S.;, Assignee: |
Windowed fire door
The general object of this invention is to provide means for supporting and trimming the pane of glass in the window of a windowed fire retardant door whereby the pane is supported by and sealed to th... Read More
Inventors: Ellsworth, Wendell E.; Birdsall, Raymond P.;, Assignee: Algoma Hardwoods, Inc. (Algoma, WI) |
Exit device having adjustable backset
To satisfy this need the present invention is an exit device providing adjustable backset. This is achieved by having the touch bar linked to a driven element adjacent the base plate of the unit and t... Read More
Inventors: Heid, George E.;, Assignee: Yale Security Inc. (Monroe, NC) |
Exit device having length adjustment means for its concealed vertical rods
Under the present invention the exit device drives the conventional vertical slide in the latch housing. To the slide the vertical rods are attached for driving upper and lower latches. The present in... Read More
Inventors: Heid, George E.;, Assignee: Yale Security Inc. (Monroe, NC) |
Exit device having adjustable concealed rods
In the present invention the exit device is equipped with a simple rectangular slide which moves up and down as the push plate is depressed and released. Each concealed rod is attached by bracket mean... Read More
Inventors: Hunt, Larry R.;, Assignee: Yale Security Inc. (Monroe, NC) |
Fire barrier coating and fire barrier plywood
What is claimed is: 1. A fire resistant laminate for retarding flame spread and flame penetration therethrough, said laminate comprising: (I) a solid, combustible lamina; and (II) bonded to said lamin... Read More
Inventors: Ellis, Harold;, Assignee: Pyrotite Corporation (Miami, FL) |
Wood-cased glass door assembly
In order to solve such disadvantages, it is an object of the present invention to provide a wood-cased glass door assembly, which can prevent flames and smoke from exiting or entering through spaces o... Read More
Inventors: Matsuoka, Hisayuki;, Assignee: Kabushiki Kaisha Tomoku (Tokyo, JP) |
Method of installing acoustical panels in an arena
The present invention consists of a method of installing acoustical panels which may be as large as 10 feet by 40 feet in length, 150 feet in the air below the ceiling I-beams of an arena. The ceiling... Read More
Inventors: Zarnick, Bernard F.;, Assignee: |
Screen Walls 
