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| Number | Title | Issue Date |
| 5376315 | Method and apparatus for concrete casting of a unitary structure A simplified, low-cost forming system (46) and method for the rapid construction of integrated, monolithic cast structures such as storm shelters (20). The preferred forming system (46) includes an inner core form member (48) presenting a base (54) and up... | 12/27/1994 |
| 5269998 | Method of forming ferrule for an optical fiber connector and a mold therefor A method of molding a ferrule of plastic resin provided with at least one hole having a small diameter and positioned at a predetermined position by a mold having a pair of associated molding ferrule halves, including the steps of arranging a molding core... | 12/14/1993 |
| 5062610 | Composite masonry block mold for use in block molding machines The invention includes block molds and manufacturing processes as well as a composite masonry block comprising a block body having an irregular trapezoidal shape and comprising a front surface and a back surface, an upper surface and a lower surface, and ... | 11/05/1991 |
| 4867412 | Apparatus for the production by powder metallurgy of a section of a header pipe of a heat exchanger Apparatus for the production by powder metallurgy of a heat exchanger block in which two spaced concentric half shells are provided with holes in which profiled pipes are inserted. The profiled pipes are internally supported by pins when metal powder is i... | 09/19/1989 |
| 4667923 | Molding device for modular concrete unit A molding device includes a multi-sided contractible inner form and outer forms that can be connected detachably to the inner form. The inner form has, at each side, a wedge-shaped spacer formwork board, on which are mounted a power means and a linkage me... | 05/26/1987 |
| 4614324 | Mold for producing concrete pipe A mold is provided for use in the production of concrete pipe sections. The mold has an inner mold part including an arch-shaped mold member; a pair of substantially L-shaped side mold members each flexibly connected to an adjacent end of the arch-shaped ... | 09/30/1986 |
| 4494724 | Apparatus for the production of a monolithic manhole base A manufacturing technique for producing a monolithic concrete base for a manhole, wet well, junction chamber in an upright position that includes a jacket having a removable pallet that forms the bottom wall thereof. A core is suspended inside the jacket ... | 01/22/1985 |
| 4332545 | Core pin support and adjusting arrangement A core pin is aligned and longitudinally positioned with respect to an associated injection mold by a support unit which has adjusting elements remote from the injection mold for adjusting the core pin in X, Y, and Z planes. The adjusting elements, in the... | 06/01/1982 |
| 4093173 | Mold for manufacture of bodies for transporting units Monocoque bodies for transport units are manufactured by joining together two separate parts, a main structure consisting of the bottom and side walls as the first part and the roof as the second part. Each part is produced from a plastic material by usin... | 06/06/1978 |
