Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6805819 | Method of manufacturing concrete form A cylindrical concrete receiver 10 is caused to project from a top section 3 of a body section 11 forming a frame 2. When concrete 5 is filled in the body section 11, part of the concrete 5 is caused to overflow insid... | 10/19/2004 |
| 6485553 | Filler material and wax composition for use in investment casting A wax composition for use in investment casting having improved properties includes polyethylene terephthalate as a filler material. The amount of polyethylene terephthalate used in the wax composition ranges from about 5 to about 50 parts by weight of th... | 11/26/2002 |
| 5390727 | Inorganic poundry binder systems and their uses This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate Part A and Part B components: (A) an aqueous solution of specified phosphoric acids, and (B) a mixture comprising (1) an iron oxide ... | 02/21/1995 |
| 5250110 | Dustfree investment material for accurately fitting cast pieces and method of producing these investment materials Dustfree investment materials, for the production of accurately fitting cast parts, are described which contain water-soluble phosphates, magnesium oxide and silicon dioxide. The investment material is made up of two components (a) and (b) and component (... | 10/05/1993 |
| 5080161 | System for preparing self-hardening casting mold using organic binder A system for preparing a self-hardening casting mold including a mass of sand which contains an organic binder and which has a pattern-contact layer having a surface for contact with a pattern disposed in a flask. The pattern defines a cavity into which a... | 01/14/1992 |
| 4711669 | Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound Disclosed herein is a method of manufacturing a bonded particulate article by admixing particulate material with a binder system, the binder system being formed by admixing a polyol comprising a water soluble amylaceous hydrolyzate with a heterocyclic com... | 12/08/1987 |
| 4710334 | Method of preparing a template A method of preparing a template for a product from a sample of the product. The ultimate template is either larger or smaller in size than the sample. Initially, a mixture of liquid rubber and a curing agent is prepared. The sample is then covered with t... | 12/01/1987 |
| 4540724 | Phenolic resin-polyisocyanate binder systems containing a phosphorus halide and use thereof A binder containing a phenolic resin; a polyisocyanate; a curing component, and a phosphorus halide and use thereof.... | 09/10/1985 |
| 4452299 | Process for casting metals A process for casting metal which includes pouring the metal into or around a molded article obtained from a molding composition wherein the binder includes certain fulvenes and/or prepolymers thereof, and a metal salt catalyst. The metal is cooled, solid... | 06/05/1984 |
| 4366266 | Binder compositions and process for making molded products therewith A binder composition for making molded products in conjunction with an aggregate includes in admixture a resin component comprising an organic solvent solution of a non-aqueous phenolic resin, a hardener component comprising a liquid polyisocyanate contai... | 12/28/1982 |
| 4273179 | Phenolic resin-polyisocyanate binder systems containing dibasic ester solvents Dibasic esters and blends of dibasic esters, particularly diethyl malonate, dimethyl adipate, dimethyl glutarate and dimethyl succinate are used as part or all of the solvent in solvent systems for two-package resin compositions comprising a phenolic resi... | 06/16/1981 |
| 4268425 | Phenolic resin-polyisocyanate binder systems containing a drying oil and use thereof A binder containing a phenolic resin; a polyisocyanate; a curing component, and a drying oil; and use thereof.... | 05/19/1981 |
| 4256623 | Binding agents prepared from resins containing adhesivizing agents of long shelf life A binding agent comprising a hardenable resin and aminosilane is described wherein the aminosilane is alkylated on the nitrogen and/or on the silicon atom.... | 03/17/1981 |
| 4252700 | Resin binder for foundry sand cores and molds This invention relates to a solid phenolic resin composition useful as a binder in the preparation of foundry sand cores and molds which comprises a solid novolac resin and a lubricant-containing solid resole resin wherein the lubricant is incorporated in... | 02/24/1981 |
| 4248974 | Binder composition for foundry sand containing zinc carbonate dispersed in resin A binder composition for binding foundry sand particles to form molds and cores in sand mold casting processes which may be aluminum alloy casting processes, comprising a thermosetting resin and powdery zinc carbonate which is dispersed in the resin and, ... | 02/03/1981 |
| 4215206 | Furan binder composition Furan resin compositions containing aromatic polyester polyols exhibit improved performance as foundry hot box binders.... | 07/29/1980 |
| 4210563 | Sand mold compositions containing scented wood Metallurgical formed articles, such as a metal casting mold or hot top sleeve, which emit fragrance when heated and formed from refractory material containing powder or granular vegetable substance which emits fragrance when heated, and method of producin... | 07/01/1980 |
| 4129169 | Apparatus for making shells from thermosetting liquid compounds Apparatus for making shells from thermosetting liquid compounds in which at a first station, a travelling and heated permanent metal mould becomes filled with a thermosetting liquid compound. The mould is then moved to a second station where it is held un... | 12/12/1978 |
| 4093467 | Method for making foundry moulds and cores A method for making foundry moulds and cores, according to which a self-hardening in the air plastic or liquid mixture is employed. Most advantageously the present invention may be used in making large-size foundry moulds and cores. The proposed method te... | 06/06/1978 |
| 4088624 | Self-hardening molding compositions A composition of self-hardening molding material and the hardening process re provided for making a solid or a hollow body wherein self-hardening molding material comprising at least one inert charge, either in granule and/or in powder form is intimately m... | 05/09/1978 |
| 4078599 | Self-curing and water-soluble mold A process for producing a self-curable and water-soluble mold, which comprises admixing a suitable amount of water with a mixture consisting of (A) 100 parts by weight of refractory sand particles composed of alumina, (B) 1 to 5 parts by weight of at leas... | 03/14/1978 |
| 3993117 | Method for increasing the mechanical resistance of foundry moulds or cores made from a self-hardening liquid sand and a resin as binding agent Foundry moulds and cores of increased mechanical resistance are prepared from sand, a binding agent, a setting agent, and a surface active agent, the binding agent being a urea-formaldehyde resin or a urea-formaldehyde-furfuryl alcohol resin, the surface ... | 11/23/1976 |
| 3947420 | Method for producing foundry moulds and cores as well as products thereby obtained A method for producing cores and foundry moulds. The method is characterized in that foundry sand, a binder, and a low temperature reaction agent are mixed in a controlled atmosphere, and in that the mixture is maintained under these low temperature and contro... | 03/30/1976 |
