The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8100380 | Igloo building block mold An igloo building block mold comprises a shell defining a pair of generally cuboid mold portions. The mold portions are offset from one another in both an upright direction extending between the top and bottom ends of the mold portions and a lateral direction extend... | 01/24/2012 |
| 6502801 | Apparatus and method for molding a core for use in casting hollow parts A mold for molding a core for use in casting hollow parts includes, a lower mold portion and an upper mold portion defining therein a cavity corresponding to the outer surface of the core. The lower mold portion includes a cutout disposed along a parting ... | 01/07/2003 |
| 6099764 | Method of lens casting without using a gasket An apparatus and method for casting lens without using a gasket that can be used to form all powers and geometric shapes of lenses. An elastomeric strip is used to wrap around the edges of two molds to form a sleeve-like structure, which in turn cooperate... | 08/08/2000 |
| 5798073 | Mold assembly for forming apertures in a molded body A mold assembly includes first and second housings having generally curved surfaces inside the mold cavity. The first housing has apertures extending therethrough. The second housing may have apertures, axially aligned with the apertures of the first hous... | 08/25/1998 |
| 5766500 | Adjustable divider assembly for use with an open-top mold for creating a countertop with a built-up edge An adjustable divider assembly for use with an open-top mold for creating a countertop with a built-up edge, the mold being rectangular in shape with a flat planar surface, first, second and third built-up and inwardly contoured edges and a fourth open ed... | 06/16/1998 |
| 5492303 | Formwork for surfaces varying in curvature Formwork for surfaces varying in curvature has a face sheet adjustable with respect to its curvature, girders supporting the face sheet and applied to the girders, in spaced relationship to the face sheet, there is a boom system which is composed of indiv... | 02/20/1996 |
| 5213825 | Plastic lens molding apparatus A plastic lens molding apparatus. A first mold, having a concave optical surface, and a second mold, having a convex optical surface, are arranged so that the optical surfaces are opposed to each other, each of the optical surfaces having an apex. An adhe... | 05/25/1993 |
| 5178887 | Compound fluted mold for casting prestressed concrete lamp poles A compound fluted mold segment for casting prestressed concrete lamp poles includes three 120° circumferential sectors wherein each sector contains a mold form made of a thin gauge sheet metal in which are locaed flutes formed by a press-brake operation.... | 01/12/1993 |
| 4909972 | Method and apparatus for making a solid foamed tire core A method of making a solid core locatable between a wheel rim and a tire fitted to the rim, includes introducing a foamable composition into a mould cavity having a substantially inflexible mould surface. The cavity is suitably shaped so that a core locat... | 03/20/1990 |
| 4889678 | Casting a plastic windshield An elongate packing is sandwiched between two sheet-like mold members in an encircling manner to define a mold cavity therebetween, then a thermosetting plastic material is poured into the mold cavity, and the thermosetting plastic material is heated and ... | 12/26/1989 |
| 4827838 | Decorative fish mold and method of using same A decorative fish head mold for use as a replacement for a fish's head when serving and/or cooking a fish includes a hollow elongate body defining an interior compartment. The body has a forward or distal end configured to the appearance of a fish head, a... | 05/09/1989 |
| 4671917 | Method and apparatus for cooling molten oxides Molten oxide of grinding material, refractory material, etc., being poured into a circular casting space formed between coaxially arranged inner and outer cylinders and cooled by the water contained in the inner cylinder. Thus, the molten oxide is cooled ... | 06/09/1987 |
| 4522768 | Casting gasket assembly and method for casting lenses therefrom A gasket assembly for casting optical lenses includes a first gasket member having a cylindrical opening therethrough and an annular flange extending radially inwardly in the cylindrical opening. One surface of the flange is adapted to receive a casting l... | 06/11/1985 |
| 4437640 | Bracing unit for concrete formwork A bracing unit to secure a formwork panel to falsework or to a previously poured concrete structure includes a pressurized fluid inflatable and expandable hose and a rigid abutment member for supporting the hose and holding it against the outside surface ... | 03/20/1984 |
| 4371325 | Apparatus for forming structures in the form of segments of a sphere A method and apparatus for forming a structure having an inner surface in the form of at least one segment of a sphere. An inner support is mounted at a fixed point from which a radius can be struck to define the inner surface of the structure. An elongat... | 02/01/1983 |
| 4222547 | Ice tray An ice tray having specially shaped cavities for allowing individual ice pieces to be removed on a one-at-a-time basis in which each individual cavity has a uniformly curved bottom wall of part-circular configuration preferably part-cylindrical and a pair... | 09/16/1980 |
| 4201360 | Injection molding of embossed articles An embossed article such as a plastic bowl is injection molded between the molding surfaces of an unidirectional mold. The outer molding surface is inclined outwardly from bottom to top and is provided with an engraved area in which the boss is formed. Th... | 05/06/1980 |
| 4181287 | Molding apparatus for rigid foam pipe insulation Apparatus for molding rigid foam components of semicircular cross section suitable for insulating pipes and the like. A female molding component is formed of sheet metal material supported by a plurality of spaced, rigid crossmembers. This female componen... | 01/01/1980 |
| 4159817 | Mold for manufacturing distillation column packing A distillation column packing in the form of a spherical body constructed by assembling a pair of hemispherical members of the same shape and structure. Each of the hemispherical members includes a suitable number of cutout openings formed in the hemisphe... | 07/03/1979 |
| 4154423 | Apparatus for the construction of a domed structure such as an igloo Two molds, each comprising an open top container having side walls, end walls, and a bottom, are provided for forming blocks of snow or ice which are used to form a complete domed structure such as an igloo. The configuration of one mold is such that bloc... | 05/15/1979 |
| 4136849 | Apparatus for manufacturing concrete building sections This invention relates to an apparatus for producing a plurality of large curved concrete building sections of uniform thickness. The apparatus includes a number of forms having a concrete core and a steel casing and being of a generally crescent shaped c... | 01/30/1979 |
| 4113810 | Distillation column packing A distillation column packing in the form of a spherical body constructed by assembling a pair of hemispherical members of the same shape and structure. Each of the hemispherical members includes a suitable number of cutout openings formed in the hemisphe... | 09/12/1978 |
| 4087072 | Form means for fabricating pre-cast structural panels A method and associated form assembly for forming pre-cast structural panels includes the steps of and associated apparatus for constructing an open-top disassemblable form box, reinforcing the form box with a collar assembly affixed around the form box f... | 05/02/1978 |
| 4085919 | Lens-casting cell A cell for casting resinous ophthalmic lenses including an annular gasket of resilient material and a pair of meniscus glass mold halves between which a lens may be cast. The mold halves are loaded into one side of the gasket annulus, one fully entered an... | 04/25/1978 |