Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7121200 | Roller parallelism adjustment structure A roller parallelism adjustment structure is provided for, a roller feeder having, a transfer roller and an impression roller. The transfer and impression rollers are located between the first end and the second end of the roller feed for transferring a material fro... | 10/17/2006 |
| 6892637 | Self-inking stamp with ink cartridge barrier A stamp pad holder for use in a self-inking hand stamp. The stamp pad holder has a stamp die box that holds a stamp forming material, ink cartridge and plastic within the die box. The stamp forming material is placed at the bottom of the die box. A pre-inked ink car... | 05/17/2005 |
| 5467712 | Printing machine with a printing unit adapted to receive various plate cylinders A printing unit of a printing machine includes a pair of spaced and opposed walls which are provided with a pair of mounting holes, and an impression cylinder journalled between the opposed walls below the mounting holes. The opposed walls have a pair of ... | 11/21/1995 |
| 5109769 | Inking apparatus for printing on non porous surfaces A cartridge housing is provided for a transfer roll and an abutting ink roll. The housing inner wall is spaced closely around the transfer roll with a discontinuity in an exterior side wall that is only sufficiently wide to permit less than 90 degrees of ... | 05/05/1992 |
| 4840120 | Printer for a strip of tickets An imprinter for use in applying numbers, names or other indicia upon tickets comprises a motor driven roller; a floating axle that supports a friction roller, an imprint roller and an inking wheel; and guide structure for processing a stack of accordion ... | 06/20/1989 |
| 4833988 | Inking device for printing apparatus An inking device for a printing apparatus, comprising a form roller disposed in the printing apparatus main unit parallel to a printing shaft and rotatably contacting with the outer peripheral surface of a printing member mounted on the printing shaft, an... | 05/30/1989 |
| 4760789 | Adjustable roller system for printing or duplicating machines An adjustable mounting mechanism for a distribution roller in a printing, duplicating or like machine which includes a moisture or ink system having a plurality of distribution rollers for distributing moisture or ink to a printing couple of the machine. ... | 08/02/1988 |
| 4495863 | Arrangement for prevention of roller marks on roller units in a printing press In a rotary printing machine, an arrangement for mounting an applicator roller and a preceding roller in a fluid feed stream journals the applicator roller and the preceding roller to the printing machine frame with substantial bearing play, and spring lo... | 01/29/1985 |
| 4058057 | Moisture metering control apparatus A moisture system control apparatus is provided for metering the rate of feed of dampening fluid from a fountain apparatus including a fountain roller to a master on a master cylinder of a lithographic duplicating machine. The control apparatus comprises ... | 11/15/1977 |
| 4018156 | Document imprinter A document imprinter, especially for labels, tickets, tags, and the like, having a rotary printing unit and an inking roller, with novel means for adjusting the position of the inking roller relative to the printing unit, said adjusting means including lo... | 04/19/1977 |
| 3935815 | Inking apparatus for printing press An inking apparatus for printing presses wherein inking rolls are mounted so that adjustment of one of the rolls does not disturb the mutual setting and adjustments of the remaining rolls; this is achieved by means of three form rolls contacting two distr... | 02/03/1976 |
| 3934508 | Method and apparatus for adjusting rollers in a printing press In a printing press including a first roller which is rotatable about a stationary axis and an adjustably positionable second roller spaced from the first roller, a third roller is adjustably positionable into contact with the first and second rollers ini... | 01/27/1976 |
