Title:
A ROTARY SHEETER HAVING AN IMPROVED VACUUM MEANS FOR CROSS TRIM REMOVAL
Document Type and Number:
WIPO Patent Application WO2004110906
Kind Code:
A3
Abstract:
Apparatus for continuously cutting a web and removing trim strips therefrom, including a pair of circumferentially spaced knives supported on a cutting shaft, the shaft being rotationally mounted for cutting, in a cutting area, the web transverse to its direction of movement for forming trim strips, a cylinder mounted along the underside of the web for rotation about an axis which is generally perpendicular to the direction of the moving web, the cylinder having a hollow bore communicating with a low pressure source and an opening formed in the surface of the cylinder communicating with the bore for providing low pressure at the opening, the cylinder being rotated at a predetermined speed such that the opening is positioned in the cutting area immediately downstream of the knives each time a trim strip is cut from the web and the opening is rotated away from the cutting area immediately thereafter.
Inventors:
SNYDER DENNIS L (US)
Application Number:
PCT/US2004/017628
Publication Date:
September 09, 2005
Filing Date:
June 03, 2004
Export Citation:
Assignee:
ADVANCE GRAPHICS EQUIPMENT OF (US)
SNYDER DENNIS L (US)
SNYDER DENNIS L (US)
International Classes:
B26D7/18; (IPC1-7): B26D7/06; B26D7/00
Foreign References:
| US5127292A | 1992-07-07 | |||
| US4409870A | 1983-10-18 |
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