Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for slitting a web into narrow webs or strips

Apparatus for slitting a web into narrow webs or strips

US Patent 4831909 · Granted May 23, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process and device for the recognition of screws used in extruders or metering d2000
Procedure for feeding plastic granulate into the intake opening of a plastic ext2000
Apparatus for calibrating and supporting an extruded tubular film blown up into 1997
Process and apparatus for determining the rate at which material is received by 1993
Winding spindle1992
Method and apparatus for regulating the level of a mixture of flowable material 1992
Method of testing the operative condition of dies provided with cooling sections1992
Method of testing the function of load resistors connected in parallel1989
Apparatus for forming a plurality of supply rolls consisting of respective wound1988
Flattening and take-off apparatus for providing a plastic film web from a blown 1987
Apparatus for forming gussets in a tubular plastic film1987