Cutting – Tool or tool with support – Joint or connection
Patent
1998-07-27
2000-07-11
Rada, Rinaldi I.
Cutting
Tool or tool with support
Joint or connection
8369811, 761078, B26D 700
Patent
active
060856254
ABSTRACT:
A novel steel rule die system is provided herein. Such system includes an upper, dimensionally-stable plate (e.g., of steel) which has been laser cut in a series of primary main kerfs. It also includes an intermediate plate of a synthetic plastic material having the property of elastic deformability, e.g., LEXAN.TM., or LUCITE.TM.. The intermediate plate has been laser cut in a series of secondary main kerfs, those secondary main kerfs being originally identical to the series of primary main kerfs, but, in addition, including, in at least one, and preferably in each, of the secondary main kerfs, at least one region which includes an interference kerf. The interference kerf is laterally-offset from a longitudinally-extending axis of the secondary main kerf, and is of substantially the same width as the secondary main kerf and is in direct communication with the secondary main kerf. The intermediate plate also includes a relief kerf, the relief kerf being disposed alongside the interference kerf, and being spaced a predetermined distance from the closer outer edge of the secondary main kerf. A particularly specified structural relationship exists between the relief kerf, the secondary main kerf and the interference kerf, namely the offset-distance between the interference kerf and the secondary main kerf has been specified. It finally includes a lower, dimensionally-stable plate (e.g., of steel) which has been laser cut in a series of tertiary main kerfs which is identical to the series of primary main kerfs. A plurality of steel rules is disposed within the series of primary main kerfs and within the series of tertiary main kerfs and is selectively-releasably-secured within the series of secondary main kerfs. Finally, means are provided which rigidly secure the upper, dimensionally-stable plate, the intermediate synthetic plastic plate and the lower dimensionally-stable plate together in a dimensionally-stable manner, thereby to provide a monolithic steel rule die system unit.
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Marcus Martin
Rada Rinaldi I.
Vaughn T. Anthony
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