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 |
| 4771596 | Method of making fiber composite A fine heterogeneous hybrid spun yarn is blended from electrostatically conductive staple fibers and electrostatically non-conductive staple fibers so that the yarn is electrostatically conductive only over short discrete lengths. When used in pile fabric... | 09/20/1988 |
| 4667463 | Process and apparatus for making fasciated yarn A process and apparatus are provided for manufacturing a fasciated yarn having uniform yarn construction and high strength. The process comprises subjecting fibers to a draft cutting step, at least one amendatory draft cutting step and a yarn formation st... | 05/26/1987 |
| 4528050 | Producing filler material, particularly for cigarette filters Filler material, particularly for cigarette filters, is produced by feeding a first stream of substantially continuous filaments of filler material onto a pin roller which is driven at a speed such that the filaments are broken by the pins into irregular ... | 07/09/1985 |
| 4070730 | Production of chopped fibers An improvement in the production of chopped fibers is provided. Long fibers, commmonly in the form of roving, are fed through a chopper assembly comprising a cutter wheel having a plurality of outwardly-extending blades and a back-up roll having a soft cy... | 01/31/1978 |
| 4014648 | In-line flock cutting process A continuous in-line flock cutting process is disclosed, for making flock from tow which contains a lubricant which is detrimental to the flock and must be removed. The tow is continuously fed, heat treated and immersed in an aqueous scouring liquid, and ... | 03/29/1977 |
| 3945188 | Method of spinning synthetic textile fibers Method of spinning threads consisting at least partially of synthetic fibers comprising stretch-breaking continuous filaments to obtain fibers having staple length distribution similar to that of natural fibers, crimping said fibers, and open-end spinning... | 03/23/1976 |
