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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Coburn; Robert E.
Address:
Warminster, PA
No. of patents:
12
Patents:












Patent Number Title Of Patent Date Issued
4476758 Automatic slitter scorer with web support October 16, 1984
A slitter scorer having upper and lower web paths is provided with suction trim means along opposite edges of a web to be processed. Adjacent each suction trim means, and associated with each of said paths, there is provided a web deflecting means for flattening a web.
4472988 Web slitting apparatus September 25, 1984
Web slitting apparatus is provided with a web guide below the web path. The web guide is moveable between operative and inoperative positions. In the inoperative position, the web guide has a portion for supporting a central portion of the web when it is desired to process a web as mill
4242934 Trim chute apparatus January 6, 1981
A frame supports an upper set of trim chutes movable toward and away from each other as well as a lower set of trim chutes movable toward and away from each other. The frame supports an upper web support member and a lower support member thereby defining two web paths. Each trim chute ha
4237761 Head locking means for slitter scorer December 9, 1980
A corrugated paperboard slitter scorer has slitting and scoring heads movable individually or as a group along an expandable shaft by way of a master shifter. The expandable shaft provides a friction drag to maintain a head in position until all heads are simultaneously locked to the sha
4230009 Rotary tool positioner October 28, 1980
The tool positioner of a slitter scorer has tool engaging elements which are at least in part cylindrical and coaxial with a piston connected thereto. The cylindrical portion and piston are each independently guided by stationary guide surfaces in order to minimize bending forces on the
4215609 Slitter scorer having upper and lower pairs of shafts selectively rotated by a single drive August 5, 1980
An automatic slitter scorer apparatus is disclosed for slitting and scoring a corrugated paperboard web. The apparatus includes an upper pair of slitter shafts and an upper pair of scorer shafts, as well as a lower pair of slitter shafts and a lower pair of scorer shafts thereby defining
4214495 Slitter scorer apparatus July 29, 1980
An automatic slitter-scorer apparatus is disclosed for slitting and scoring a corrugated paperboard web. The apparatus includes an upper pair of slitter shafts and an upper pair of scorer shafts, as well as a lower pair of slitter shafts and a lower pair of scorer shafts thereby defining
4195539 Web diverter April 1, 1980
Upper and lower web guides are pivotably mounted for directing the leading edge of a web to either of upper or lower paths. Each web guide has a plurality of resilient members disposed side by side and extending downstream to define a channel through which the web can pass.
4194662 Web director March 25, 1980
A plurality of flexible panels are disposed side by side and extending in the direction of movement of a web. The panels are supported intermediate their ends by a fulcrum means transverse to the web path. A discrete power means is coupled to each end of each panel for selectively and
4142455 Slitting apparatus March 6, 1979
Apparatus is disclosed for slitting a web of material such as paperboard utilizing at least two rotatable turrets disposed one above the other. Each turret has a pair of shafts adapted to have blades selectively positionable thereon by way of a master shifter which adjusts the blades
4073222 Continuous running machines for producing paperboard box blanks February 14, 1978
The low speed continuous run feature of a double facer machine is attained by a discrete drive motor coupled thereto by an overrunning clutch. The main drive shaft is coupled to the double facer machine by a fluid operated clutch coupled to circuitry for the double facer machine belt
4059474 Glue mechanism November 22, 1977
A pan and an applicator roller supported thereby are pivotably supported for movement between operative and inoperative positions by a parallelogram link means including a gear segment. Actuator means is connected to the gear segment for rotating the same in opposite directions.










 
 
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