...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7401548 | Movable plate drive device and press slide drive device A slide of a press machine is driven by composite thrust of thrust of an electric (servo) motor SM (via a screw/nut mechanism from the electric motor) and thrust of hydraulic cylinders SYL1, SYL2 to which pressure oil is supplied from a constant, high ... | 07/22/2008 |
| 7293500 | Press A pressing apparatus using a motor, in which a fast feed drive lowers an upper die to a position immediately before pressing, and a motor for pressing performs a pressing operation. The fast feed drive and the motor for pressing operate cooperatively, and only one p... | 11/13/2007 |
| 7243518 | Hydraulic cut-off press A hydraulic cut-off press includes a base, a body vertically movable along vertical tracks at the base, a plurality of raisers provided at the body in four corners, each raiser having a holder base, a raiser screw vertically mounted in the holder base and fixedly co... | 07/17/2007 |
| 7089852 | Waste compactor A trolley suitable for aircraft or use in all space constraint situations comprising a waste compactor comprising a metal horizontal plate driven by an electric motor reducer that, by a mechanical reducer, drives two telescopic screws responsible for pushing the hor... | 08/15/2006 |
| 6923114 | Can crusher A compressing device is provided that is suitable for crushing cans. A compressing device is provided that includes a plurality of linear drive actuators located along side a compression chamber to both reduce height/size of the compressing device, and provide a mor... | 08/02/2005 |
| 6076457 | Rigid containers for transporting sachets of bio-pharmaceutical fluid products A rigid container for transporting flexible sachets of bio-pharmaceutical fluid having a volume of 50 liters or more has a bottom wall and one or more lateral walls. At the top it has a contention plate for the sachet adjustable in height to compress the ... | 06/20/2000 |
| 5407523 | Apparatus for assembling lost foam casting patterns An apparatus for gluing together first and second pieces of a foam pattern to be used in a lost foam casting process, the apparatus comprising a frame, a glue tank adapted to contain glue, a glue platen supported by the frame for vertical movement relativ... | 04/18/1995 |
| 5378140 | Mold clamping apparatus An apparatus for moving upper and lower molds toward and apart from each other and giving additionally increased clamping force to the engaged molds. The apparatus includes a pair of reversible small power prime movers, a plurality of screw rod pairs, eac... | 01/03/1995 |
| 5373765 | Apparatus for driving two tool parts for punching, cutting and stamping An apparatus for driving upper and lower tool parts for punching, cutting and stamping, and more particular to such an apparatus using a rotary screw rod and a nut member threadedly engaging with the screw rod so as to move up or down therealong. The appa... | 12/20/1994 |
| 5259304 | Carousel compactor for multi-component refuse A carousel trash compactor for selectively sorting and recycling multi-component refuse. The carousel includes a turntable mounted in the lower portion of the housing and supporting refuse bins rotatable with the turntable to position a selected bin in a ... | 11/09/1993 |
| 5179895 | Trash compactor A residential trash compactor with two compartments suitable for separating recyclable from non-recyclable trash.... | 01/19/1993 |
| 4781568 | Mold clamping unit of injection molding machine Molds are mounted on a front platen and a moving platen. A plurality of ball screws are mounted between the front platen and the rear platen at equal distances from centers of the molds and at predetermined angular intervals. Ball nuts threadedly engaged ... | 11/01/1988 |
| 4702688 | Apparatus for producing articles from a synthetic resin A mold-closing and holding mechanism, especially for a deep drawing apparatus making hollow articles from a thermoplastic web provides force-storing elements between the mold halves and the drive so that when the drive which can use a check motor is cut o... | 10/27/1987 |
| 4641574 | Power screw protector for refuse compactor An upper portion of each power screw of a refuse compactor is covered by a protective sleeve to insulate the threads of the screw from refuse. The upper end of the sleeve is loosely retained to the ram to move longitudinally with the ram while yielding to... | 02/10/1987 |
| 4624730 | Portable hot-press for thermowelding marked and/or printed foils of thermoplastic synthetic material A portable hot-press for thermowelding marked and/or printed foils of thermoplastic synthetic material, particularly PVC, to produce single-sheet identification cards. There are provided a press drive, two heating plates, one fixed and one sliding cross b... | 11/25/1986 |
| 4609100 | Clamping device for belts A clamping device for conveyor belts has a pair of crossbars disposed on opposite sides of the conveyor belt and clamping bars each disposed between a respective crossbar and the conveyor belt. The device is mounted through the clamping bars and a hydraul... | 09/02/1986 |
| 4497247 | Baling press with vertical operating direction An improved baling press with a vertical operating direction and with a press plate guided within a press case by means of rollers and cooperating coordinated guides, and with the press plate being solidly connected to spindle nuts, which in each case are... | 02/05/1985 |
| 4430179 | Portable method for filter press cell assembly A method for assembling a filter press type of electrolytic cell is disclosed wherein tightening apparatus is employed at preferably multiple points about the periphery of the stacked electrodes to substantially simultaneously apply a substantially unifor... | 02/07/1984 |
| 4423674 | Belt press with hose-type hydraulic force transmitter A belt press has a plurality of upper and a plurality of lower traverses respectively having lower and upper traverse faces, upper and lower press platens carried on and between these traverses and having respective upper and lower platen faces respective... | 01/03/1984 |
| 4393766 | Belt press with hose-type actuator A belt press comprises a plurality of upper and a plurality of lower traverses respectively having lower and upper traverse faces, upper and lower press platens carried on and between these traverses and having respective upper and lower platen faces resp... | 07/19/1983 |
| 4388860 | Belt press with enclosed hydraulic actuator A belt press has at least one upper and at least one lower traverse respectively having lower and upper traverse faces, connectors extending vertically between the upper and lower traverses and securing the lower traverse to the upper traverse, upper and ... | 06/21/1983 |
| 4387635 | Machine tool A machine tool comprising a portal stand having a number of, preferably four, screw pillars and a moveable yoke driven and guided along the screw pillars by means of nuts preferably roller nuts, in the yoke. Tools, machining devices or the like can be att... | 06/14/1983 |
| 4240341 | Can crusher A can crushing apparatus is disclosed comprising a reciprocating head which reciprocates between two fixed walls whereby on each stroke of the head, two crushing operations are performed. Automatic can feeding means, having safety switch prime mover activ... | 12/23/1980 |
| 4240245 | Device for baling cut crops A device for baling cut crop, comprising a baling chamber having an inlet port and an outlet port and a compression member adapted to move in the baling chamber, the compressing stroke of the compression member extends along the inlet port to near the out... | 12/23/1980 |
| 4188877 | Drive mechanism for a compactor An improved structure for movably mounting a ram to a support in a refuse compactor. The mounting structure includes a plurality of threaded force transfer elements fixed to the ram and connecting structure fixedly associated with the driven sprocket of t... | 02/19/1980 |
| 4117777 | Refuse container, and refuse compacting and discharging device therefor A bottomless container for household dry refuse such as garbage and rubbish is positioned within a bag having its upper edge folded firstly inwardly and then outwardly of the container edge, so that the refuse can be compacted and the bag removed when the... | 10/03/1978 |
| 4096023 | Lens sealing clamp A support assembly including elongated upper and lower parallel plates. A plurality of column supports separate and interconnect the parallel plates. A clamping assembly is supported by the plates, the clamping assembly having vertical and horizontal pres... | 06/20/1978 |
| 4054087 | Apparatus having a variable stroke reciprocating member and means responsive to a predetermined stroke to control a circuit A domestic trash compactor is provided with electromechanical means operable on a predetermined stroke of its compacting head to control a circuit, in the disclosed embodiment, a signal circuit providing a warning that the compacted trash in the receiver ... | 10/18/1977 |
| 4054088 | Trash compactor A trash compactor has trash compacting means attached to a chassis that is supported in the upper end of the housing for limited movement relative to its side walls and is detachable in a manner facilitating servicing of the trash compacting means. The ch... | 10/18/1977 |
| 4024806 | Trash compactor A trash compactor has a compacting head supported by two sets of links, each set having a pair of links pivotally interconnected by a member common to both pairs and spacing the two sets of links apart. Corresponding ends of the links are pivotally connec... | 05/24/1977 |
| 4011810 | Garbage disposal unit A garbage disposal unit is provided with a stationery compacting piston fixed at the upper end thereof and with a fixed receptacle member at the lower end thereof. A movable combination member adapted to act as both a receptacle and a compacting piston is... | 03/15/1977 |
| 4007678 | Compactor press assembly A household compactor mechanical press structure for refuse provided with a screw with a relatively large pitch having a piston attached to one end thereof. The screw runs through a threaded hole in a vertically movable structure that is supported by a pa... | 02/15/1977 |
| 4000689 | Trash compactor The trash compactor has a throat above the chamber in which the trash receiving unit is located. The trash receiving unit consists of a pan and a container, both dimensioned so that their walls are shielded by the throat. The pan fits the chamber with its... | 01/04/1977 |
| 3995543 | Compacting apparatus A portable, rollable container unit is adapted to be removably received in a power unit. The units have means for positively guiding the container unit into the power unit and a ram in the power unit is operable to compact material in the container unit. ... | 12/07/1976 |
| 3960070 | Object compacting device An object compacting device having a housing with a bearing plate and an entrance opening; a wall, having an object receiving passage, mounted in the housing to divide the housing into an object discharge compartment between the wall and plate and an obje... | 06/01/1976 |
| 3943844 | Baling machine Apparatus for compacting discarded wastepaper, cardboard boxes and the like into bale form comprising a container having a floor, a platen movable downwardly toward the floor for compacting the material, and a drive means for pulling the platen downwardly... | 03/16/1976 |