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| Number | Title | Issue Date |
| 7264761 | Method of making a molded plastic elbow An improved molded plastic elbow and a related mold assembly and manufacturing method are provided, wherein the elbow defines an internal flow path having a smoothly radiused inside turn. The elbow is formed by injecting plastic material into a tubular mold cavity f... | 09/04/2007 |
| 7153125 | Molded plastic elbow An improved molded plastic elbow and a related mold assembly and manufacturing method are provided, wherein the elbow defines an internal flow path having a smoothly radiused inside turn. The elbow is formed by injecting plastic material into a tubular mold cavity f... | 12/26/2006 |
| 7004443 | Concrete void former A void former comprises a core assembly having at least two body members. The body members are removably coupled together to define the desired shape of a void to be formed in a concrete slab. After the void has been formed in the concrete slab, the body members may... | 02/28/2006 |
| 6843462 | Manufacturing apparatus of fiber reinforced composite member There is disclosed a method of connecting a plurality of mandrels to one another to constitute an integral mandrel 10, forming a fabric 1 on the surface of the integral mandrel, and infiltrating the formed fabric with matrix. A plurality of products ca... | 01/18/2005 |
| 6840018 | Elongate bodies for use in pre-cast panel forming systems Elongate bodies for use in providing architectural and structural features in pre-cast panels are provided. The elongate bodies may-comprise a cross-section comprising a set portion, a hinged portion, and hinge. The set portion and the hinged portion are configured ... | 01/11/2005 |
| 6789366 | Lost mould element for manufacturing reinforced concrete flat slabs A lost mold element for manufacturing reinforced concrete flat slabs, which is intended, when used together with other mold elements, for creating voids and for allowing the molding of beams. The mold element is made of a recycled plastic material, having a shape of... | 09/14/2004 |
| 6149121 | Apparatus for forming unlined passages through concrete walls Apparatus for creating a sleeveless passage of controlled size and shape through a concrete wall poured in a form including two form plates mounted in fixed, spaced relation separated by a width W comprises a plurality of modular, one piece passage units,... | 11/21/2000 |
| 6027094 | Set of parts for use in building and a method of using same The invention relates to a set of parts for use in building, comprising a plurality of separate parts which are assemblable to provide a former for defining a desired configuration in a set settable material, characterised by at least two interengageable ... | 02/22/2000 |
| 5714081 | Dismountable mechanical core and procedure for implementing it A dismountable mechanical core (1) includes a counterform (2) attached to a central mandrel (3,8), the counterform components being able to be handled remotely and with complete safety. These components of the counterform are connected and attached to the... | 02/03/1998 |
| 5695790 | Mold assembly for injection molding A mold assembly for injection molding including a female mold having a first pair of opposite inside walls and a second pair of opposite inside walls disposed at four sides and defining a trapezoidal cavitys two trapezoidal locating plates respectively fa... | 12/09/1997 |
| 5385705 | Reusable core apparatus for a casting mold, and methods of utilizing same Reusable core apparatus for a casting mold is disclosed. The apparatus includes a first core mechanism for being disposed in a casting cavity of the mold to define a first internal casting surface within the cavity, a second core mechanism for being dispo... | 01/31/1995 |
| 4938909 | Flash-free molding of I.C. engine passages A method of making a molded plastic component of an internal combustion engine. The method is for making a fuel rail and includes constructing particular core pins of the mold with threaded connections that form seals between them when they are disposed i... | 07/03/1990 |
| 4623117 | Tool for moulding the top part of a plastics container A moulding tool for producing tube ends and simultaneously connecting them to a tube body, the tool comprising a female mould (1) and a male mould (19) and having a pin movably disposed in the female mould and a bore (22) in the male mould. The pin has a ... | 11/18/1986 |
| 4487567 | Apparatus for making a vascular graft A mandrel assembly supports an umbilical cord during the shaping and curing of the cord for use as a vascular graft. The mandrel assembly has a pair of mandrel members adapted to be releasably connected in end-to-end relation. Adjacent end sections of the... | 12/11/1984 |
| 4243200 | Form pan structure A form pan section comprising a top wall and opposed side walls depending from a respective opposed side of the top wall. A support flange is provided along a free edge of each of the side walls. The support flange has a load supporting bearing section. M... | 01/06/1981 |
| 4084780 | Cavity forming plug for coil insert in concrete product A plug assembly, for temporary use with a concrete product insert having a coil defining an interior threaded surface, holds the insert in position adjacent a mold wall and prevents the interior of the coil from being filled with concrete. The plug assemb... | 04/18/1978 |
| 4081167 | Vertically flaring concrete form A re-usable, convex, conical wall for pouring an upwardly flaring vat consists essentially of axially consecutive, annular form elements having each inner and outer faces connected by two axially spaced edge portions of different length which extend circu... | 03/28/1978 |
| 4077599 | Device for forming apertures in concrete An aperture forming device is provided for making openings such as tubular holes in concrete or the like during pouring thereof. The device utilizes a tube holder secured to a concrete form; a disposable tube attached to the holder and a cap member at the... | 03/07/1978 |
| 4063861 | Tire mold A casting or injection mold for vehicle tires comprises two separable half-shells together defining an annular cavity into which a segmented core is introduced, radially inwardly converging core segments alternating with parallel-sided or radially inwardl... | 12/20/1977 |
| 3933336 | Pipe sleeve This disclosure deals with a pipe sleeve used to form a hole when pouring a concrete slab or the like. The pipe sleeve includes a tubular elongated side wall having an end wall closing one end thereof and a radially outwardly extending flange at the other... | 01/20/1976 |
