| Patent Number |
Title Of Patent |
Date Issued |
| D339376 |
Adjustable drafting tool for making perspective drawings |
September 14, 1993 |
|
| 6576179 |
Injection molding process using a pair of reservoirs and an injection device |
June 10, 2003 |
| An injection-molding process including kneading functional particles with a binder resin in a kneader, temporarily storing the kneaded material supplied from the kneader in a reservoir device and feeding the kneaded material stored in the reservoir device to an injection device, the |
| 6304162 |
Anisotropic permanent magnet |
October 16, 2001 |
| An anisotropic permanent magnet with an improved surface magnetic field peak value is provided, which has at least one active surface and is oriented and magnetized simultaneously in such a manner that axes of easy magnetization of magnetic powder constituting the permanent magnet pass |
| 6042757 |
Injection-molding apparatus and method of injection-molding |
March 28, 2000 |
| An injection-molding device including an injection machine, a mold unit connected to the injection machine having separable molds defining a cavity for forming a molded product, and chucks next to the mold unit for removing a molded product from the mold. The molded product is initially |
| 5318633 |
Heat treating apparatus |
June 7, 1994 |
| A heat treating apparatus comprises a reaction tube for receiving a plurality of articles to be treated and a heating unit surrounding at least part of the reaction tube. The reaction tube comprises a first structural section, at least part of which is surrounded by the heating unit |
| 5261935 |
Clean air apparatus |
November 16, 1993 |
| A clean air apparatus includes a housing having an opening through which a carrier housing semiconductor wafers is supplied into the housing and an I/O port for supporting the carrier and a furnace for treating the wafer, provided in the upper portion of the housing. The carriers are at |
| 5236181 |
Vertical heat treating apparatus |
August 17, 1993 |
| A vertical heating apparatus comprises a casing having an opening through which a plurality of transport members receiving articles to be processed are loaded in and unloaded from the casing, a heat treating furnace provided in an upper portion of the casing, a transport member storing |
| 4994133 |
Continuous process for producing reinforced resin laminates |
February 19, 1991 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4572859 |
Electrical laminate comprising a plurality of fibrous layers and cured resin layers |
February 25, 1986 |
| An electrical laminate comprising a plurality of fibrous cellulosic substrate layers and alternately interposed layers of cured epoxy or unsaturated polyester resin between the adjacent substrate layers, wherein each of the substrate layers is embedded in a matrix of said cured resin |
| 4571279 |
Continuous process for producing reinforced resin laminates |
February 18, 1986 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4521491 |
Flame-retarded copper-clad laminate |
June 4, 1985 |
| A flame-retarded copper-clad laminate is provided comprising a plurality of paper substrate layers each impregnated with an unsaturated polyester resin and a copper cladding adhesively bonded onto at least one side thereof.The improvement comprises said unsaturated polyester resin contai |
| 4486505 |
Flame-retarded copper clad laminates |
December 4, 1984 |
| A flame retarded copper clad laminate is provided comprising a plurality of paper substrate layers each impregnated with a halogen-containing unsaturated polyester resin containing about 1% to about 30% by weight of a basic filler, and a copper cladding adhesively bonded onto at least on |
| 4451317 |
Continuous process for producing reinforced resin laminates |
May 29, 1984 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4410388 |
Production of metal clad laminates |
October 18, 1983 |
| Variations in performance of metal clad reinforced resin laminates may be minimized by aging the laminates in a high-temperature, high-humidity atmosphere subsequent to the curing step. The products are useful for the production of printed circuit wiring boards. |
| 4398987 |
Continuous production of electrical laminates |
August 16, 1983 |
| There is provided a method for continuous production of a laminated sheet product comprising transporting a plurality of continuous sheet component materials in vertically discrete relation, supplying an impregnating resin to each of the component materials, joining the resin-impregnated |
| 4388129 |
Production of bubble-free electrical laminates |
June 14, 1983 |
| Bubble- or void-free electrical laminates such as unclad or metal clad laminates are produced by impregnating a porous fibrous substrate with a solvent-free liquid resin capable of curing to a rigid state without producing a volatile by-product, combining a plurality of impregnated s |
| 4372800 |
Continuous process for producing reinforced resin laminates |
February 8, 1983 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4370386 |
Reinforced unsaturated polyester resin laminate |
January 25, 1983 |
| An electrical laminate comprising layers of an unsaturated polyester resin-impregnated fibrous cellulosic substrate is disclosed. The substrate is preimpregnated with a mixture and/or a condensate of an aminoplast with a higher fatty derivative having at least one functional group capabl |
| 4370191 |
Electrical laminate |
January 25, 1983 |
| An electrical laminate comprising layers of a resin impregnated fibrous substrate is disclosed. The resin has a glass transition point from about 20.degree. C. to 80.degree. C. and comprises a cured product of a mixture of an unsaturated polyester polymer and a cross-linking monomer. The |
| 4336297 |
Electrical laminate |
June 22, 1982 |
| An electrical laminate comprising layers of a polyester resin-impregnated fibrous cellulosic substrate is disclosed. The substrate is preimpregnated with a nitrogen-containing composition having (a) an N-methylol or N-lower alkoxymethyl group attached to said nitrogen atom, and (b) an un |
