...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7350678 | Embroidery preparation system A body panel is fabricated of a generally rigid sheet with a periphery and with interior and exterior surfaces. A layer of coupling material is provided on the exterior surface. A locator panel has a periphery with interior and exterior surfaces. The interior surfac... | 04/01/2008 |
| 7171879 | Discrete proximity detection system A machine is described having at least one dangerous portion. The machine also includes a safety system to detect dangerous proximity between a person and the dangerous portion and perform a predetermined action to limit or prevent injury to the person from the dang... | 02/06/2007 |
| 7093350 | Truss fabrication system with obstruction detection device A truss fabrication system for fabricating trusses includes a table, a gantry press and an obstruction detection device. A top of the table receives truss components arranged with at least some connector plates engaging at least some of the truss members. The gantry... | 08/22/2006 |
| 7055417 | Safety system for power equipment Safety systems for power equipment are disclosed. The safety systems include a detection system adapted to detect contact between a person and a working portion of a machine, where the detection system is adapted to capacitively impart an electric charge on the work... | 06/06/2006 |
| 7036212 | Apparatus for performing operation on circuit substrate An apparatus for performing an operation on a circuit substrate, the apparatus including a plurality of operating devices which are provided in a space that is closed and opened by a safety cover and one of which performs the operation on the circuit substrate, a sa... | 05/02/2006 |
| 6948224 | Automatic stapling method and stapler An automatic stapling apparatus and method is disclosed which may have a stapling mechanism moved by a stapler engaging mechanism into a stapling position in relation to a stack of sheets to be stapled, inserted through a stack insertion opening, and adapted to stap... | 09/27/2005 |
| 6737765 | Punch and Press safety system A punch and press system includes a low voltage safety circuit and a high voltage control circuit. The high voltage control circuit is further divided into a high voltage low current region and a high voltage high current region. The high voltage low current region ... | 05/18/2004 |
| 6602018 | Squeegee assembly having a non-destructive release mode A wiper assembly for surface maintenance vehicles has a non-destructive failure mode when impacting stationary objects, or otherwise becoming subject to instantaneous or rapidly increasing resistance to forward movement, due to an improved mechanical coup... | 08/05/2003 |
| 6490781 | Component mounting machine and safety device thereof The safety device includes an opening/closing cover which isolates a takeout part and an accommodating part of a component feeder unit from each other and which has a sensor for detecting a closed state. The component feeder unit includes the component ac... | 12/10/2002 |
| 6457338 | Pressing tool with pressing jaws The invention relates to a pressing tool (1) with pressing levers (2) which are connected to one another by a connecting link plate (7, 8) such that they can be rotated in a tong-like manner and each of which each provides an upper, free mouth end (14, 16... | 10/01/2002 |
| 6338192 | Component mounting machine and safety device thereof The safety device includes an opening/closing cover which isolates a takeout part and an accommodating part of a component feeder unit from each other and which has a sensor for detecting a closed state. The component feeder unit includes the component ac... | 01/15/2002 |
| 6240626 | Pressing device A pressing device for joining workpieces has a pressing tool and a motorized drive for actuation of the pressing tool over a pressing distance, as well as a control device which has a drive control device for influencing the drive. The drive control devic... | 06/05/2001 |
| 6212764 | Link bending machine A machine for bending a first set and a second set of folded deformable links projecting outwardly from a heat exchanger core made is disclosed. The machine comprises a base, a transport mechanism for transporting the core to a workstation, a locking mech... | 04/10/2001 |
| 6148504 | Operator safety device for attaching apparatus A cycle of operation of an attaching apparatus begins with determining whether an operator's extremity is in an area in which it can be struck by a downwardly moving ram during attachment of two fasteners to each other and to a material therebetween. If i... | 11/21/2000 |
| 5806174 | Apparatus for mounting electronic components In an apparatus for mounting electronic components of the invention, a moving part is attached to a frame of the apparatus and moved freely in front and rear directions by a moving device. Also, first and second movable members are attached to the moving ... | 09/15/1998 |
| 5802704 | Hooping machine A safe, efficient hooping machine preferably driven by pneumatic power comprising an adjustable hoop push plate, an angle head which is for inserting an inner ring into an outer ring and a safety feature which allows hoopers to keep their hands from becom... | 09/08/1998 |
| 5592733 | High production hardware insertion press incorporating operator and tool protection systems and apparatus Presented is a hardware insertion press of the type for insertion of fasteners in sheet metal. The press incorporates both operator and tool protection systems that prevent the operator from being injured during use of the press, and which prevent the too... | 01/14/1997 |
| 4835843 | Automatic badge making machine An automatic badge making machine comprises a die assembly including a first and second die set relatively movable to form a badge or button from a plurality of badge parts initially placed in one of the die sets. A motor powered drive is provided for rel... | 06/06/1989 |
| 4738015 | Industrial robot with automatic centering The horizontal movement actuators 3 of an industrial robot arm 2 are deenergized after an initial engagement between a workpiece 8 grasped by a robot hand and a base member 10 disposed on a support table 12 so that any axial misalignment between the workp... | 04/19/1988 |
| 4698905 | Apparatus for assembling a pair of fastener elements A fastener-assembling apparatus has a safety device including a vertically movably safe-confirmation member which is normally disposed in its lowermost position in which the gap between the safe-confirmation member and a die is substantially equal to the ... | 10/13/1987 |
| 4694671 | Press incorporating saftey system A press comprising a frame with an anvil support and a punch carrier, the latter being mounted on the frame so as to be movable between two ends of travel towards and away from the anvil support. A piston and cylinder arrangement is arranged to act on the... | 09/22/1987 |
| 4685207 | Device for pulling up slider of a slide fastener chain A device for pulling up the slider of a slide fastener chain includes a pair of slider gripping fingers provided in opposed relation, one on each side of a slider guide groove formed in a slide fastener chain guide. The slider guide groove constitutes par... | 08/11/1987 |
| 4586248 | Safety device for arbor of fastening machine The present invention relates to a safety device for an upper die arbor of a fastening machine having a driving sleeve, an upper mold mandrel, a copper sleeve, and a steel sleeve. The driving sleeve has a roller in each of four holes. A flange is formed o... | 05/06/1986 |
| 4391358 | Hardware press and punch apparatus Presented is a hardware punch and/or press apparatus adapted to assemble fastening devices to or punch holes in hardware for various purposes. The apparatus includes a stationary tool or anvil on which hardware on which an operation is to be performed is ... | 07/05/1983 |