...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5876171 | One-out conversion press A conversion press (20) which is readily reconfigurable to process shells of different sizes includes an endless belt (68) having a single lane of apertures (86) formed therein for transporting shells (S) along a progression of end-forming tooling (60, 62... | 03/02/1999 |
| 5860553 | Easy-open container end The invention, relating to an easy-open metal container end, places a portion of the metal of the tear panel (12), in the region where a score stop otherwise would be located, under compression by forming a short coined depression or bead (40) in the tear... | 01/19/1999 |
| 5806662 | Hubbed belt and drive for conversion press An endless metal belt (26) for transporting shells (S) through a press (10) which converts the shells into can ends includes a plurality of shell-carrying apertures (32) and a plurality of drive holes (34). The belt is mounted about a pair of spaced-apart... | 09/15/1998 |
| 5692636 | Easy-open container end The invention, relating to an easy-open metal container end, places a portion of the metal of the tear panel (12), in the region where a score stop otherwise would be located, under compression by forming a short coined depression or bead (40) in the tear... | 12/02/1997 |
| 5375729 | Easy-open container end The invention, relating to an easy-open metal container end, places a portion of the metal of the tear panel, in the region where a score stop otherwise would be located, under compression by forming a short coined depression or bead in the tear panel, pr... | 12/27/1994 |
| 5259496 | Belt for conversion press A conveyor belt and drive structure are disclosed for use with a conversion press in which an upper level of an endless metallic conveyor belt, preferably of stainless steel, is positioned between upper and lower tooling in the press. The conveyor belt is... | 11/09/1993 |
| 5224053 | Interactive control for can end systems A control for a press and system for making can ends includes a programmable controller (PLC) which incorporates unique control software interconnecting the PLC and the press mechanisms. The PLC and its software in turn interfaces with a programmable inte... | 06/29/1993 |
| 5158410 | Belt and drive for conversion press A conveyor belt and drive structure are disclosed for use with a conversion press in which an upper level of an endless conveyor belt is positioned between upper and lower tooling in the press. The conveyor belt includes a plurality of transversely and lo... | 10/27/1992 |
| 5119664 | All purpose integral rivet and method of forming same An improved integral rivet button and resulting rivet, and a process and tooling for forming such button, utilizes successive coining steps on material surrounding the base of an initial bubble formed on a can end, causing flow of material along the wall ... | 06/09/1992 |
| 5067341 | Transfer plate lifts for shell press A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first station within the press and then transferred to second statio... | 11/26/1991 |
| 5062287 | Method and apparatus for making and transferring shells for cans A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first station within the press and then transferred to second statio... | 11/05/1991 |
| 5044189 | Scrap guiding and chopping in a shell press A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first station within the press and then transferred to second statio... | 09/03/1991 |
| 4895012 | Method and apparatus for transferring relatively flat objects An apparatus for transferring a relatively flat object from a work station along a transfer path includes an upper tooling within the work station for locating the object in a ready position by causing an upper surface of the object to adhere to the tooli... | 01/23/1990 |
| 4862722 | Method for forming a shell for a can type container The disclosure relates to a novel shell such as used in the manufacture of can ends, and to a method and tools for making such a shell. A non-circular blank having rounded corners is cut from thin metal. The blank is oblong in a direction transverse to th... | 09/05/1989 |
| 4822232 | Upstacking device for a shell conversion press An upstacking device is shown for use with generally flat metal can ends. The device is used with an endless conveyor such as a transport belt having openings therein, with each opening receiving a shell for locating the shell on the belt. The belt is int... | 04/18/1989 |
| 4770022 | Method and apparatus for transferring relatively flat objects An apparatus for transferring a relatively flat object from a work station along a transfer path includes an upper tooling within the work station for locating the object in a ready position by causing an upper surface of the object to adhere to the tooli... | 09/13/1988 |
| 4735863 | Shell for can The disclosure relates to a novel shell such as used in the manufacture of can ends, and to a method and tools for making such a shell. A non-circular blank having rounded corners is cut from thin metal. The blank is oblong in a direction transverse to th... | 04/05/1988 |
| 4711611 | Method and apparatus for fabricating a can body Methods and apparatus are disclosed for fabricating from ductile sheet metal a can body with integral side and bottom walls. A rounded non-circular blank is formed from the sheet metal, the blank having a greater width across the grain of the metal than a... | 12/08/1987 |
| 4704887 | Method and apparatus for making shells for can ends The disclosure relates to a novel shell such as used in the manufacture of can ends, and to a method and tools for making such a shell. A non-circular blank having rounded corners is cut from thin metal. The blank is oblong in a direction transverse to th... | 11/10/1987 |
| 4696179 | Air assist means for use in transferring relatively flat objects In a ram press for manufacturing shells for can ends, a relatively flat shell is transferred from a tooling station to a destination. The shell is supported at the first station from the upper tooling work surface, from which it is propelled in edgewise f... | 09/29/1987 |
| 4640116 | Two-out belt system A press for converting ends for cans and the like is provided with a conveyor extending sideways through the press to carry shells for processing into can ends along an end converting path. Upper and lower conversion tooling is located along the end conve... | 02/03/1987 |
| 4637961 | Shell for can ends The disclosure relates to a novel shell such as used in the manufacture of can ends, and to a method and tools for making such a shell. A non-circular blank having rounded corners is cut from thin metal. The blank is oblong in a direction transverse to th... | 01/20/1987 |
| 4599884 | Apparatus for transferring relatively flat objects An apparatus for transferring a relatively flat object from a first station to a second station includes a support for the object at the first station, a substantially closed housing, and a piston disposed therein for sliding movement from a normal positi... | 07/15/1986 |
| 4568230 | Two-out belt system A press for converting ends for cans and the like is provided with a conveyor extending sideways through the press to carry shells for processing into can ends along an end converting path. Upper and lower conversion tooling is located along the end conve... | 02/04/1986 |
| 4567746 | Method and apparatus for making shells for cans The disclosure relates to method and tools for making shells used in the manufacture of can ends. A first set of tools makes blank pre-forms having a substantially flat central panel and an upward-extending chuckwall about the edge of the panel. The junct... | 02/04/1986 |
| 4561280 | Shell making method and apparatus A method and apparatus for forming shells for use as can ends is disclosed. A sheet of thin metal is supplied to a first station within a ram press, at which a generally circular blank is separated from the sheet and partially formed into the shell. The p... | 12/31/1985 |
| 4559800 | Preheat start-up arrangement for stamping and forming presses The connecting arms or connection elements of a metalworking press, such as a metal forming or stamping press, are provided with flat electrical resistance heating pads attached directly to the web section of the connections for applying heat to the conne... | 12/24/1985 |