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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
E. C. H. Will Patents
Assignee:
E. C. H. Will
Address:
GmbH & Co.) (Hamburg, DE
No. of patents:
48
Patents:




Patent Number Title Of Patent Date Issued
4807739 Method of and apparatus for transporting and turning stacks of paper sheets February 28, 1989
Successive stacks of paper sheets are turned during travel along two parallel paths one of which is defined by a first conveyor and the other of which is defined by a set of two or more consecutive conveyors. The speed of the conveyor or conveyors defining one of the paths is greater
4765790 Apparatus for accumulating stacks of paper sheets and the like August 23, 1988
Apparatus for converting a continuous stream of partially overlapping sheets of paper or the like into a succession of stacks has a table which is movable between a first position adjacent the discharge end of a conveyor for the stream of sheets and a second position adjacent a stack
4746395 Apparatus for bonding stacked sheets to one another May 24, 1988
One edge face of each stack of overlapping paper sheets in a series of moving stacks is trimmed and simultaneously roughened by a driven circular knife before the thus trimmed and roughened edge faces are coated with adhesive paste in a step which immediately follows the combined trimmin
4743319 Method of and apparatus for making self sticking note pads May 10, 1988
Self-sticking note pads are mass-produced in a continuous operation starting with a running web of paper which is drawn from a roll and one side of which is coated with longitudinally or transversely extending stripes of adhesive before the web is subdivided into a series of large pa
4717013 Apparatus for transporting layers of paper sheets to processing machines January 5, 1988
Apparatus for delivering singularized stacks of paper sheets to a packing machine has a first conveyor which intermittently receives groups of several abutting stacks and is intermittently driven by a variable-speed electric motor to advance the groups onto the individual endless bands o
4715551 Self-locking device for transmitting torque to bobbin cores December 29, 1987
A self-locking chuck which can clamp the hollow core of a bobbin to a rotor has two nuts which mate with externally threaded sections of the rotor and have threads inclined in opposite directions or threads of different pitch so that they move axially toward or away from each other in re
4710256 Apparatus for attaching flap-over covers to stacks of paper sheets or the like December 1, 1987
Adhesive coated front edge faces of successive stacks of paper sheets are bonded to downwardly folded marginal portions of flap-over covers at an aligning station which receives stacks from a first source along a first path wherein the stacks are caused to advance at right angles to thei
4708332 Method and apparatus for zig-zag folding webs of paper and the like November 24, 1987
A continuous web of paper with a series of transversely extending rows of perforations between successive panels is folded in zig-zag fashion by reducing the speed of each oddly numbered panel and simultaneously diverting the oddly numbered panel from the path of the web while the ev
4669344 Method and apparatus for subdividing webs of coherent paper sheets June 2, 1987
Successive watermarks on a running web of coherent paper sheets are monitored by a scanner which generates defect signals in response to detection of watermarks outside of selected portions of the respective sheets, and the cross cutter which severs the web to form discrete sheets is
4629058 Method and apparatus for transporting layers of paper sheets to processing machines December 16, 1986
Apparatus for delivering singularized stacks of paper sheets to a packing machine has a first conveyor which intermittently receives groups of several abutting stacks and is intermittently driven by a variable-speed electric motor to advance the groups onto the individual endless bands o
4603768 Apparatus for transporting paper stacks August 5, 1986
Apparatus for transporting paper stacks has two spaced-apart transporting units each having a supplying conveyor which can accept stacks from a maker or feeder, an intermediate conveyor which can accept stacks from the supplying conveyor, and a receiving conveyor which can accept stacks
4599039 Method of accumulating stacks of paper sheets or the like July 8, 1986
Stacks of superimposed paper sheets are formed from a succession of layers each of which contains a given number of groups of sheets. One or more layers which contain a first number of groups can be followed by one or more layers containing a different second number of groups so that a s
4586315 Apparatus for introducing stacks of paper layers into cartons May 6, 1986
Apparatus for accumulating stacks of superimposed layers or piles of paper sheets has a horizontal platform which receives successive layers from a feeding unit and can open up to permit the properly oriented layer thereon to descend by gravity onto an elevator which is disposed at a lev
4580937 Apparatus for back stripping stacks of paper sheets or the like April 8, 1986
Apparatus for back stripping stacks of paper sheets or the like has a transporting unit which advances suitably staggered stacks along a horizontal path toward, to and beyond a back stripping station. The apparatus further comprises a carrier for an endless suction conveyor which dra
4548404 Method and apparatus for forming a stream of partly overlapping paper sheets October 22, 1985
A cross cutter subdivides a continuous paper web into a file of discrete randomly distributed satisfactory and unsatisfactory sheets which are advanced by a first transporting unit at an elevated first speed into the variable-width clearance between two superimposed conveyors of a second
4523502 Apparatus for accumulating stacks of paper sheets or the like June 18, 1985
Apparatus for accumulating stacks of paper sheets has a cross cutter which repeatedly severs several overlapping running paper webs to form a series of groups of overlapping sheets. Such groups are accumulated into layers at a gathering station, and successively formed layers are engaged
4518075 Apparatus for gathering and singularizing stacks of paper sheets or the like May 21, 1985
Apparatus for converting successive groups of neighboring stacks of paper sheets into a row of spaced-apart equidistant stacks has a first transporting unit which receives at intervals groups of stacks from a maker and advances successive groups at intervals lengthwise so that the ne
4511300 Apparatus for gathering writing pads or the like April 16, 1985
Apparatus gathering writing pads into stacks has a row of receptacles disposed at a level below the discharge end of a feeding conveyor which delivers several lines of pads, one for each receptacle. The receptacles have a common horizontal floor assembled of spaced-apart elongated strips
4509417 Apparatus for expelling air from stacks of paper sheets or the like April 9, 1985
Apparatus for expelling air from pockets between superimposed sheets of successive stacks has a brush or roller which can be lowered onto the topmost sheet of a stack while the leader of the stack is pulled along a stationary support by a tongs. The brush or roller urges successive i
4508210 Apparatus for transporting paper stacks or the like April 2, 1985
An apparatus for transporting several files of spaced apart paper stacks has several neighboring transporting units, one for each file and each having a frame mounting front and rear shafts for three toothed pulleys cooperating with toothed belts whose outwardly extending lobes can advan
4502592 Apparatus for intermittently transporting stacks of paper sheets or the like March 5, 1985
An apparatus for transporting several files of spaced-apart stacks of paper sheets has several transporting units, one for each file of stacks, and each such transporting unit has three endless toothed belts which are installed in a frame in parallel vertical planes and carry outwardly
4500241 Machine for making ruled pads or the like February 19, 1985
A machine wherein the sheets are held together by adhesive has an indexible turret with radially extending equidistant pockets for reception of stacks of sheets from a feeding device. The pockets transport the stacks past an aligning device, thereupon past an adhesive applying device whi
4484501 Apparatus for cutting and trimming paper sheets or the like November 27, 1984
Apparatus for trimming the lateral marginal portions of successive stacks of sheets of multiple unit width and for subdividing the trimmed stacks into stacks of unit width has an advancing unit which moves the stacks stepwise in a direction at right angles to their width, a trimming stat
4476664 Apparatus for introducing stacks of paper sheets or the like into cartons or analogous receptacl October 16, 1984
Apparatus for filling cartons having three upstanding side walls and a horizontal side wall with stacks of paper sheets has a horizontal conveyor reciprocable into and from a carton while the carton is held at a filling station, a system for delivering stacks to that portion of the conve
4474093 Apparatus for accumulating stacks of paper sheets or the like October 2, 1984
Stacks of superimposed paper sheets are formed from a succession of layers each of which contains a given number of groups of sheets. One or more layers which contain a first number of groups can be followed by one or more layers containing a different second number of groups so that a s
4464880 Method and apparatus for introducing stacks of sheets into prefabricated cartons or the like August 14, 1984
Stacks of paper sheets are delivered onto the upper reach of an endless conveyor or onto the upper side of a platform which is movable through an open side and into the interior of a carton at a carton filling station. The open side of the carton is closed, by pivoting the corresponding
4440051 Apparatus for cutting and transporting sheets of paper or the like April 3, 1984
Apparatus for subdividing a paper web into a series of discrete sheets and for transporting the sheets to a processing station has a cross cutter whose knife holders can be driven at several speeds, and a sheet intercepting device downstream of the nip of the holders. The position of
4437560 Apparatus for changing the direction of transport of paper stacks or the like March 20, 1984
Apparatus for transferring paper stacks from a first horizontal path into a second horizontal path which is coplanar with the first path has tongs installed at the junction of the two paths and driven to rotate about a vertical axis. The tongs has a lower jaw in the common plane of the t
4433773 Apparatus for manipulating stacks of paper sheets or the like February 28, 1984
Successive stacks of flexible paper sheets are supplied by the conveyors of a feeding unit in a first direction and along a first horizontal path onto a succession of vertically movable sections of a horizontal table while the sections dwell in their upper positions. The sections are the
4432262 Driving unit for the knife holders of cross cutters or the like February 21, 1984
One of the two knife holder shafts in a cross cutter for webs of paper or the like is driven by a unit wherein a motor rotates the input shaft of a bevel gear drive whose output shaft drives or constitutes one shaft of a universal joint. The other shaft of the universal joint is driven b
4414873 Driving unit for the knife holders of cross cutters or the like November 15, 1983
One of the two knife holder shafts in a cross cutter for webs of paper or the like is driven by a unit wherein a motor rotates the input shaft of a bevel gear drive whose output shaft drives or constitutes one shaft of a universal joint. The other shaft of the universal joint is driven b
4403899 Apparatus for gathering writing pads or the like September 13, 1983
Apparatus gathering writing pads into stacks has a row of receptacles disposed at a level below the discharge end of a feeding conveyor which delivers several lines of pads, one for each receptacle. The receptacles have a common horizontal floor assembled of spaced-apart elongated strips
4392402 Apparatus for severing running paper webs or the like July 12, 1983
A transverse cutter for a running web of paper or the like has two rotary drum-shaped holders disposed opposite each other at the opposite sides of the path for the web. Each holder carries at least one knife with an elongated cutting edge extending transversely of the path of movement o
4387890 Apparatus for changing the orientation of stacked paper sheets or the like June 14, 1983
Apparatus for changing the orientation of successive stacks of overlapping paper sheets has a first conveyor which delivers stacks seriatim onto the upper side of a support located below a vertically movable and rotatable turntable having at its underside a layer consisting of rubber and
4385537 Apparatus for engaging and transporting discrete sheets of paper or the like May 31, 1983
An apparatus for engaging and transporting discrete sheets downstream of a severing station at which a cross-cutter severs a running paper web has a catcher assembly with an upper and a lower conveyor unit. The conveyor units define an elongated path for the transport of sheets therebetw
4364552 Method and apparatus for forming a stream of partially overlapping paper sheets or the like December 21, 1982
A series of separate paper sheets issuing from a cross cutter wherein a running paper web is subdivided into discrete sheets is converted into a stream of partly overlapping sheets by transporting the sheets of the series at a first speed onto the upper reach of a belt conveyor which is
4364293 Rotary knife holder with means for damping its natural frequency oscillations December 21, 1982
A rotary knife holder which is used in a transverse cutter for running paper webs or the like has a tubular carrier with an axial bore for a dynamic damping system serving to damp the natural frequency oscillations of the carrier. The damping system has a cylindrical mass whose end p
4358066 Apparatus for supporting paper reels in winding machines November 9, 1982
Apparatus for supporting the core of a reel of convoluted paper in a winding machine has two trunnions which extend into the end portions of the core from opposite ends of the reel and are surrounded by ring-shaped stops which are normally closely adjacent to the respective end faces of
4297066 Paper sheet layer forming and transferring arrangement October 27, 1981
An arrangement for forming successive layers of sheets of paper and the like from a stream of individual sheets supplied in succession to a collecting station by a supply conveyor, and for transferring the formed layers to a continuously advancing discharge conveyor, includes an abut
4281690 Method and apparatus for making wire binders for pads or the like August 4, 1981
A web of undulate wire is converted into a series of coherent C-shaped binders of the type known by the trademark Wire-O and used to bind stacks of paper sheets or the like in the making of steno pads, brochures, calendars and similar stationery products by continuously moving the web
4257299 Means for moving a rotary knife in apparatus for cutting paper sheets or the like March 24, 1981
Apparatus for cutting a running web of paper or the like has a rotary disk-shaped first knife and a driven counterknife. The first knife is rotatable on a shaft which constitutes the piston rod of a double-acting pneumatic cylinder and piston unit. The cylinder of such unit is connected
4257298 Apparatus for cutting paper sheets or the like March 24, 1981
Apparatus for cutting paper sheets wherein a first knife, which is freely rotatable on a shaft, is movable sideways toward and away from a driven counterknife. The shaft is reciprocable in a carrier which is connected with one end of a reciprocable and turnable piston rod. The piston rod
4253499 Apparatus for severing and deforming the ends of helical binders for pads or the like March 3, 1981
Apparatus for looping the free end portions of the outermost convolutions of helical binders which are threaded through the perforations of a stack of loose leaves has a pivotable tool with a cutting edge which clips the end convolution of a properly located binder and a bending edge whi
4249844 Apparatus for accumulating stacks of note books or the like February 10, 1981
Apparatus for accumulating discrete stacks of superimposed note books has a feeding conveyor which delivers note books seriatim into each of a battery of receptacles forming a row which extends transversely of the direction of feed of note books. Each receptacle has a composite bottom wa
4223777 Method and apparatus for transporting stacks of paper sheets or the like between producing and p September 23, 1980
Apparatus for transporting stacks of paper sheets from a gathering station which receives successive rows of aligned stacks to two packing machines has a discrete staggering conveyor for each stack of a row. These conveyors serve to convert each row into two groups of staggered stacks
4165767 Wire forming machine August 28, 1979
A machine which converts a strand of wire into a body of meandering shape has two carriers which rotate about parallel axes and respectively carry annuli of pins. One annulus of pins surrounds the other annulus of pins, and each pin of one annulus is adjacent to a pin of the other annulu
4153081 Apparatus for severing and deforming the ends of helical binders for pads or the like May 8, 1979
Apparatus for looping the free end portions of the outermost convolutions of helical binders which are threaded through the perforations of a stack of loose leaves has a pivotable tool with a cutting edge which clips the end convolution of a properly located binder and a bending edge whi
4095623 Apparatus for severing and deforming the ends of helical binders for pads or the like June 20, 1978
Apparatus for looping the free end portions of the outermost convolutions of helical binders which are threaded through the perforations of a stack of loose leaves has a pivotable tool with a cutting edge which clips the end convolution of a properly located binder and a bending edge whi

 
 
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