Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 6902091 | Method and apparatus for feeding slider-zipper tape to application station A method and an apparatus for automatically feeding slider-zipper assemblies to a station where the slider-zipper assemblies can be attached to bag material, such as thermoplastic film. The apparatus includes a slider guide having a channel running the length thereo... | 06/07/2005 |
| 6732898 | Method and apparatus for feeding slider-zipper assemblies A method and an apparatus for automatically feeding slider-zipper assemblies to a station where the slider-zipper assemblies can be attached to bag material such as thermoplastic film. The apparatus includes a slider guide having a channel running the length thereof... | 05/11/2004 |
| 6321966 | Device for automatically catching a torn material web running through a rotary printing machine A device for automatically catching a torn material web running through a rotary printing machine includes a pair of clamping rollers, respectively, disposed beneath and above the material web, the rollers being rotatingly entrainable and being able to cl... | 11/27/2001 |
| 5947161 | Pinch roll weft feeder with expandable transport roll A transport roller (10) is provided on a ribbon loom and a press roller (12) is forced against said transport roller to grip a bobbin supply thread (26). In order to simplify adjustment of the transport speed while keeping the speed of the transport rolle... | 09/07/1999 |
| 5906307 | Folding apparatus superstructure with replaceable mantlings for velocity adjustment A superstructure of a folding apparatus for feeding at least two webs of flat material to a cylinder unit of the folding apparatus. The superstructure including at least two take-off roller assemblies, each take-off roller assembly including a correspondi... | 05/25/1999 |
| 5310106 | Apparatus for obtaining differential tangential variable speeds at different points of a deformable film This device is designed such that the differential tangential speeds V are variable at different points of a deformable flat film (1) or plate that moves along at least one drawing roller (3) rotating about an axis XX, said film (1) or plate moving in a d... | 05/10/1994 |
| 5193800 | Apparatus for conveying paper in a printer An apparatus for conveying paper in a printer adapted to convey cut-sheet and fan-fold paper bi-directionally in a paper path. The apparatus includes a pair of paper conveying rollers positioned downstream of a print head and a pair of paper conveying rol... | 03/16/1993 |
| 5098082 | Sprung-wheel A sprung wheel 46 for a document drive system comprises an upper elastic member 54, a lower elastic member 52, a separating hub 50 and a rim member 56. Each elastic member 42,54 comprises resilient arms 58 which bear upon the rim member 56 on the inside. ... | 03/24/1992 |
| 5050500 | Sheet transfer web A sheet transfer drum for a rotary printing machine utilizes a plurality of sheet carrying segments which are axially adjustably positioned along a rotatable shaft. Each sheet carrying segment uses an upper bow and a lower bow with each bow, in turn, carr... | 09/24/1991 |
| 5026045 | Sheet-guiding drum assembly for sheet-fed rotary printing machines Sheet-guiding drum assembly for sheet-fed rotary printing machines includes a drum formed with a casing surface and provided with a casing foil disposed so as to have a given outer diameter, a member arranged beneath the casing foil and on the casing surf... | 06/25/1991 |
| 5000364 | Apparatus for obtaining differential tangential variable speeds at different points of a deformable film The invention relates to a drawing device. This device is designed such that the differential tangential speeds V are variable at different points of a deformable flat film (1) or plate that moves along at least one drawing roller (3) rotating about an ax... | 03/19/1991 |
| 4792076 | Web transporting apparatus A web transporting apparatus wherein the web is trained over the external surface of a radially expandible elastic shell which is connected with two end walls to form a roll and to define an internal compartment which is filled with a pressurized hydrauli... | 12/20/1988 |
| 4721285 | Cable drive system including apparatus for controlling normal force applied to cable A cable drive system for driving a cable includes a rotatable inflatable member. Sets of guide rollers are positioned about the periphery of the inflatable member, and each of the sets of rollers includes at least two rollers for guiding the cable to main... | 01/26/1988 |
| 4704842 | Method and appartus for handling reclosable wrapper sheet material A system for handling zipper-equipped wrapper sheet material to be used in a form, fill, and seal machine for wrapping product enables the wrapper sheet to be drawn from a supply with a flap sheet portion overlying a panel sheet portion and subsequently d... | 11/10/1987 |
| 4642084 | Plastic bag making machine A machine for making plastic bags, such as trash or garbage bags, includes a rotary sealing drum of variable diameter, the drum including one or more sealing bars for cross-sealing a flattened plastic film tube passing through the machine. A blanket tensi... | 02/10/1987 |
| 4609367 | Bag making machine and method Apparatus for making bags from a folded web of thermoplastic material includes a rotating drum to which the web is continuously applied. As the drum rotates through a given arc length, the web is tucked outwardly from the periphery of the drum in progress... | 09/02/1986 |
| 4504022 | Thread feed mechanism and method for textile machines An expandable feed roller has two separate side-by-side discs fitted on a rotatable drive shaft. Each disc has circumferentially spaced fins extending inward toward the other disc and inclined toward the shaft. The fins of the two discs are interdigitated... | 03/12/1985 |
| 4466576 | Metering drum for filamentary material The metering drum for the weft thread of a weaving machine has a circumferential surface of rubber which is clamped between two supporting rings. The supporting rings may be movable axially or rotatably relative to each other so as to expand or constrict,... | 08/21/1984 |
| 4448554 | Sheet feeding apparatus having an expansible periphery An apparatus having a track for guiding a sheet therealong and means for feeding a sheet along the track. The feeding means includes a rotatable member having a shaft mounted for rotation, with the rotatable member having a driving periphery extending int... | 05/15/1984 |
| 4289489 | Self-adjusting variable speed idler pulley An idler pulley, which adjusts itself to variable power transmission speeds by providing a wide range of effective pulley diameters automatically, is disclosed. In its preferred form, the pulley has four spindles with freely rotating sleeves, two directed... | 09/15/1981 |
| 4180839 | Information reproducing apparatus Apparatus are disclosed for reproducing information from an information carrying tape wherein the tape is advanced by the imposition of a first force longitudinally of the tape, and wherein a second force extending into the plane of the tape at an angle t... | 12/25/1979 |
| 4158429 | Apparatus for feeding elongate sheet materials There is disclosed an apparatus for feeding an elongate sheet material comprising a drive roller driven to rotate at a constant speed, a pressure roller rotatable in rolling contact with the drive roller, the drive roller being formed of a more resilient ... | 06/19/1979 |
| 4055288 | Front drive cartridge-tape player system with fast forward and reverse modes A fast forward cartridge tape player includes the conventional cartridge receiving cavity and cylindrical capstan. The capstan is rotatably driven about its vertically positioned longitudinal axis by a motor actuated flywheel, and it is located to forcibl... | 10/25/1977 |
