Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7028973 | Structure for foaming die for forming headrest A structure of foaming die for forming a generally inverted-L-shaped headrest, which is designed to receive and enclose an incomplete headrest unit comprising a hollow trim cover assembly of a generally “inverted L” shape having a horizontal upper portion and a ... | 04/18/2006 |
| 6835343 | Method for handling concrete retaining wall blocks A method and apparatus for handling large concrete retaining wall blocks and the like. The blocks are cast in a form with the front face down, a lifting loop extending from a rear face and with grooves extending in sides from a rear face to adjacent the front face. ... | 12/28/2004 |
| 6668511 | Formwork for pillars It is constituted by several plates (1), provided in its outer side (4) with transverse ribs (5), formed by C-shaped profiles and joined together to form a prismatic contour (7), closed by the inner flat sides of all the plates, the plates comprising a me... | 12/30/2003 |
| 6620364 | Block forming apparatus and method A retaining wall block is provided. The retaining wall block includes top, bottom, front, back, first side and second side surfaces. A tongue set is provided on the top surface of the block and a groove in the bottom surface of the block. The tongue set i... | 09/16/2003 |
| 6554246 | Casting of shaped soft solid articles A mould for casting shaped, solid detergent articles is provided. The mold is made of two rigid complimentary dies which upon engagement define a cavity corresponding to a desired shape of the cast article, wherein the engaged dies form a reservoir which ... | 04/29/2003 |
| 6000923 | Mold assembly for manufacturing an outsole A mold assembly for manufacturing an outsole includes a female mold, a first male mold pivotally connected to a side of the male mold and a second male mold pivotally connected to an end of the male mold. A peripheral wall defining the cavity has a separa... | 12/14/1999 |
| 5817248 | Mold for structural blocks A mold designed to be operated easily by one person to form large blocks. Generally, the walls of the mold are attached to the base with a pivoting assembly such that the walls of the mold fall away from the molded material after hardening. Levers and ful... | 10/06/1998 |
| 5792394 | Animal pen slat repair method There is disclosed concrete form apparatus comprising three elongated panels with sides hingedly connected and a method of using such apparatus to enable one to repair reinforced concrete slats in the floor of an animal pen by breaking away the concrete o... | 08/11/1998 |
| 5736167 | Mold device for making safety shoe A mold device for making a safety shoe includes a last and a post secured on a board. The last includes a number of spacers and a number of cone-shaped supports formed on top for engaging with a protector and for spacing the protector from the last. Two m... | 04/07/1998 |
| 5656194 | Assembly jig for prefabricated concrete walls The apparatus is an assembly jig for constructing prefabricated concrete wall sections. Two parallel elongated "L" cross section members, each with an outer vertical wall, are connected to a base structure with pivots, and several separated sections of in... | 08/12/1997 |
| 5417559 | Wax pattern mold A wax pattern molding process, employing a mold having a cavity and a core structure in the mold cavity that include closing the mold with the core structure positioned in the mold cavity; injecting flowing heated wax into the mold to flow about the core;... | 05/23/1995 |
| 5393033 | Adjustable side form concrete mold An adjustable concrete mold which varies the height of a side form on a casting bed to any desired height, The device is also of a construction which allows total exposure of the sides of a hardened concrete element after casting and which allows complete... | 02/28/1995 |
| 5352105 | EVA sole molding die assembly An EVA sole molding die assembly for molding integral EVA (ethylene vinyl acetate) soles having different color layers, the molding die assembly including a bottom die for molding the bottoms of EVA outsoles, an outsole molding die hinged to the bottom di... | 10/04/1994 |
| 5238387 | Apparatus for molding a product of synthetic resin An apparatus for molding a product of synthetic resin which includes a mold assembly having a die plate and first and second mold dies which define a mold cavity therebetween. The first mold die includes a fixed member fixed to the die plate. At least two... | 08/24/1993 |
| 5129804 | Mold having an insert for molding bathtubs A mold for making bathtubes is disclosed. The mold includes a mold receptor and an insert attached to the mold receptor face. The mold receptor receives a shell which has a finish side and a non-finish side. The shell is placed in the mold receptor leavin... | 07/14/1992 |
| 5126095 | Method for encasing a storage tank in concrete A method and apparatus for constructing an above ground concrete encased storage tank. The apparatus has a support assembly that extends from the baseplate of a concrete form, that supports, elevates, and secures an inner storage tank from the form basepl... | 06/30/1992 |
| 5055020 | Mold for manufacturing a skin covered foamed plastic article A mold for manufacturing a skin covered foamed plastic article, with which it is possible to place the skin cover at a desired position, without spoiling or damaging the skin cover, such that the skin covered foamed plastic article of a desired shape with... | 10/08/1991 |
| 4877215 | Manufacturing framework for use in manufacturing a cosmetic-puff A manufacturing framework is used to manufacture a cosmetic puff for a liquid foundation. The cosmetic puff is manufactured by forming a latex film coating on one side of a crimp pattern plate by applying latex film compound thereon. The latex film coated... | 10/31/1989 |
| 4842241 | Lightweight plastic concrete mold A mold for forming concrete having a bottom, a pair of side walls and a pair of end walls, all of plastic, and with the side walls and bottom being of integral one-piece construction and hinged together by living hinges defined by reduced thickness of the... | 06/27/1989 |
| 4790508 | Concrete casting form including retractable core A core form is disclosed for casting a structurally reinforced concrete structure for use on a slab with an outer container form having rigid walls extending vertically comprising a casting core positioned internal the outer form and having vertically ext... | 12/13/1988 |
| 4738605 | Installation for manufacturing reinforced concrete elements An installation for manufacturing reinforced concrete elements, in particular prestressed concrete slabs or pre-slabs, by means of a bench including a manufacturing area of predetermined shape, together with a molding apparatus. Memory means (46) are prov... | 04/19/1988 |
| 4655430 | Pastry mould with movable rims A pastry mould, permitting even cooking and easy removal of the cooked contents of the mould, has a flat base with two upstanding tongues spaced apart and positioned opposite each other adjacent the periphery of the base, each such tongue carrying a pivot... | 04/07/1987 |
| 4630798 | Method and device for erecting building structures such as bridges, using pre-fabricated concrete beams Proposed is a method for the erection of structures, such as bridges, that display pre-fabricated concrete beams, according to which the individual pre-fabricated beams are produced, on the spot, on a feed rigging within the corresponding work area of the... | 12/23/1986 |
| 4450122 | Method and apparatus for manufacturing foot supports with anatomically contoured shank portions After arranging on dual pans two thick strips of a deformable fiber-reinforced spongeous material and covering them with a liner made of an elastic cloth, a fluid polymer is poured into said pans which reacts to set and foam in a conveniently short time. ... | 05/22/1984 |
| 4431393 | Method and machine for molding elongated workpieces A mold for molding elongated workpieces is comprised of three vertically oriented quadrants and a fourth quadrant pivotally mounted relative to the three quadrants between a mold open position and a generally vertically oriented mold closed position. A wo... | 02/14/1984 |
| 4420447 | Process for producing foam moldings with an insert Process for producing foam moldings with an insert executed in a mold for foam molding consisting of a core block and a cavity block. The process comprises steps of: (a) having a film adhering to and covering the insert on one side thereof where a foam la... | 12/13/1983 |
| 4406848 | Method and apparatus for molding plastic window sills This invention relates to a pouring form for molded window sills characterized by a rigid frame having a generally J-shaped cross section defined by an upstanding flange, a base member depending from the lower margin of the upstanding flange and an upturn... | 09/27/1983 |
| 4374658 | Device for producing a block of solidified carbon dioxide A device for producing a block of solidified carbon dioxide essentially comprising a high pressure vessel of liquidified carbon dioxide, a thermally insulated high pressure feed tube and a molding box in which a product of solidified carbon dioxide is mol... | 02/22/1983 |
| 4354656 | Suspension idler mold apparatus A conveyor suspension idler mold apparatus for molding a one-piece, elongated, flexible, polymer idler is disclosed along with a method of molding the conveyor idler and the conveyor idler apparatus. A vertical mold has specially shaped cavities for moldi... | 10/19/1982 |
| 4191521 | Battery moulding of panels A method of moulding a panel, in particular a prefabricated wall panel, apparatus for carrying out such method and the products thereof wherein the panels are moulded in a substantially upright orientation in moulds split along the plane of the panel ther... | 03/04/1980 |
| 4181286 | Reinforced plastic mold for concrete panels A mold especially adapted for forming precast, waffle-shaped concrete panels employs a one-piece mold body of plastic sheet material to provide a reusable mold structure that may be rapidly stripped and reset. Each corner of the mold body is open; thus, t... | 01/01/1980 |
| 4150083 | Contouring gypsum articles An improved process for forming cast articles of plaster reinforced with fibers is disclosed wherein low consistency plaster slurries that include a fluidizing agent and fibrous reinforcing materials are co-sprayed onto a sectionalized casting bed having ... | 04/17/1979 |
| 4135695 | Molding machine more particularly for the manufacture of square-shaped construction elements A molding machine for the production of polygonal structural elements, e.g. concrete squares, comprises an assembly of vertical plates disposed between a pair of end members of a support and defining generally flat mold cavities of the shape desired with ... | 01/23/1979 |
| 4118004 | Concrete beam form A lightweight, take-down beam form, including a series of U-frames held together by spaced apart adjustable longitudinal braces secured along the frame uprights and bottom longitudinal braces, support strippable plywood or plastic or suitable material bea... | 10/03/1978 |
| 4097018 | Rifle pellet casting mold A mold having a bottom section hinged to a side section and the side section pivotally attached to a second side section can be assembled using a pin in the bottom section engaging the side section and a pin in the second side section engaging the first s... | 06/27/1978 |
| 4095771 | Devices for manufacturing wall partitions A mold for parts of a building such as the floors, walls, ceilings and roofs mounted on a supporting frame which rests, via a resilient member, on a supporting member through which extend heating tubes provided with heat radiating ribs. The bottom of the ... | 06/20/1978 |
| 4077757 | Concrete panel making apparatus Apparatus for horizontally casting a panel, preferably a non-composite insulated panel of reinforced concrete of substantial area and thickness in a heated mold. The mold is part of a rotating mechanism and lift frame for rotating and vertically stacking ... | 03/07/1978 |
| 4033545 | Apparatus for making interlocking crypt modules An apparatus for casting a plurality of differently configured reinforced concrete modular crypts for use in constructing a substantially monolithic mausoleum edifice. The casting apparatus includes a frame having a plurality of vertically disposed genera... | 07/05/1977 |
| 4022115 | Method and apparatus for erecting paper transplant pots A forming apparatus, particularly adapted for use by home gardeners, enables the erection of a square sheet of paper, which may be used newsprint paper, into a soil-decomposable pot suitable for raising and transplanting seedlings. Selected portions of th... | 05/10/1977 |
| 4022859 | Method of producing shaped concrete blocks for hydraulics A method of producing shaped concrete blocks for hydraulics, such blocks having two spaced arms formed at right angles to each other and spaced from each other and a web interconnecting the centers of said arms, wherein said block is formed by concreting ... | 05/10/1977 |
