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| Number | Title | Issue Date |
| 7222416 | Edge bending apparatus A first hemming mold unit (20) and a second hemming mold unit (30), are installed in a single pressing machine. The first hemming mold unit (20) performs partial bending of an edge (95) of a workpiece (93; 96). The workpiece (93... | 05/29/2007 |
| 6935154 | Method for locating variable length components in a modular forming die An apparatus and a method for accurately and repeatably positioning metallic parts having variable length extrusions and shaped sheet metal in a modular die system that forms a joggle in the metallic parts. The apparatus of the present invention includes a standard ... | 08/30/2005 |
| 6923036 | Hemming apparatus and method In accordance with the present invention, an improved apparatus and method for prehemming and hemming is provided. More particularly, the improved apparatus and method is for folding an edge portion of a curved arcuate panel to create a hem in a single cycle of oper... | 08/02/2005 |
| 6915943 | Tetherless internal line-up unit for pipeline welding A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes and expanding copper back-up tiles. Drive wheels are deployed by a hyd... | 07/12/2005 |
| 5784919 | Folding unit A corner bending unit (2) for achieving a reciprocating movement in a tool holder (14) for a bending tool (12), the tool holder being articulated to a foundation (4) via parallel links (16, 18). The corner bending unit (2) has a pneumatic cylinder (38) wi... | 07/28/1998 |
| 5050422 | Bending apparatus for bending a marginal flange on a workpiece Apparatus for bending a margin flange (5) which projects at an angle to a surface of a workpiece (4) against that surface, includes a bending tool (6) which is mounted on a tool holder (7) which by a linkage system (8-13) is connected to a stand (1) which... | 09/24/1991 |
| 5038597 | Bending apparatus for bending a marginal flange on a workpiece Apparatus for bending a margin flange (5), which projects at an angle to a surface on a workpiece (2), against the workpiece. The apparatus includes a bending tool (6) which is mounted on a tool holder (14) carried by a parallelogram mechanism (7-12) for ... | 08/13/1991 |
| 4706489 | Single station hemming tooling A single station hemming device for hemming the upstanding peripheral flange of an outer element to overlie the periphery of an inner element to thereby join the outer element to the inner element. The hemming device has a series of hemming tools position... | 11/17/1987 |
| 4346579 | Hemming apparatus A hemming apparatus comprising a lower body, an upper body vertically movable with respect to the lower body, a main hemming means connected by links to the upper body, a shifting cam provided on the main hemming means so as to shift the main hemming mean... | 08/31/1982 |
