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Class 270/39.02 - Including stack separating


Subclass of Class 270 - Sheet-material associating
Definition: Subject matter wherein the zigzag package is cut or isolated
No. of patents: 42
Last issue date: 04/16/2013


1    
NumberTitleIssue Date
8419002High speed interfolder separator
An interfolder separator apparatus and method utilize a pair of count fingers that are movable longitudinally along and transversely to a stream of folded sheets, for temporarily supporting each successive pack formed by the separator and then releasing each success...
04/16/2013
8333370Separator belt finger count apparatus and method
The invention provides a method and apparatus for separating a stack of folded sheets by inserting a first, second, third and fourth count fingers into four successive openings in the stack, and separating the stack between the second and third count fingers. Where ...
12/18/2012
8282090High speed interfolder separator
An interfolder separator apparatus and method utilize a pair of count fingers that are movable longitudinally along and transversely to a stream of folded sheets, for temporarily supporting each successive pack formed by the separator and then releasing each success...
10/09/2012
8240652Method and apparatus for separating packages of interfolded sheets at high flexibility
A method for separating two consecutive interfolded sheets, during the production of packages of paper products, even if there is present at least one tear-off line or “tab bond”. The sheets are fed in an interfolded way from interfolding rollers on a table by m...
08/14/2012
8240653High speed interfolder separator
An interfolder separator apparatus and method utilize a pair of count fingers that are movable longitudinally along and transversely to a stream of folded sheets, for temporarily supporting each successive pack formed by the separator and then releasing each success...
08/14/2012
8172212Web product folding and stacking machine, web product folding and stacking method using same
A web product folding and stacking machine includes two folding line making wheels, two folding fingers, a first carrier unit, a stoppage unit and a holder. The folding line making wheels and the folding fingers are operated to fold up web products on the first carr...
05/08/2012
8128079Web product folding and stacking machine, and web product folding and stacking method using the machine
A web product folding and stacking machine includes two folding line making rolls, two folding fingers, a first carrier unit, a stoppage unit and a holder. The folding line making rolls and the folding fingers are operated to fold up web products on a pad on the fir...
03/06/2012
7997570Method and appartus for separation of stacks of interfolded sheets
The sheets are supplied interfolded by two folding rollers, on a table on which they are piled up forming a stack. When the stack achieves a predetermined height a first plurality of separators and a second plurality of separators, arranged for all the length of the...
08/16/2011
7442157Structure of interfolding machine
An interfolding machine for sheet material for making a stack of interfolded sheets includes at least one web of material to interfold that is cut into sheets of predetermined length and rolls for partially overlapping the sheets in order to form an overlapped porti...
10/28/2008
7402130System and method for folding and handling stacks of continuous web
This invention provides a system and method for separating, folding, stacking and transporting a continuous web that allows stacks of web that are relatively large (four-feet-high or more) to be generated at high speed directly beneath the folding mechanism and to b...
07/22/2008
7351190Method of constructing a folder system
Methods and devices for folding a continuous web of material are provided. Systems can include a spiral folder assembly having first and second sets of rotatable spirals, a deflection means to guide the continuous web toward the first set of spirals and the second s...
04/01/2008
7320663Continuous medium folding device and continuous medium printing apparatus having thereof
The present invention relates to a device for folding continuous medium including a swing arm pivotable about an axis at one end of the swing arm. The continuous medium is guided by the swing arm and accordion-folded with equal widths as a result of the swinging ope...
01/22/2008
7306554Method of forming a stack of interfolded sheets of web
An interfolding apparatus including first and second interfolding rolls. The interfolding rolls issue a stream of web material to form a stack of interfolded web material. A first packer finger is movable with respect to the first interfolding roll and includes a re...
12/11/2007
7303524Folder unit for processing sheet-like materials
Methods and devices for folding a continuous web of material are provided. Systems can include a spiral folder assembly having first and second sets of rotatable spirals, a deflection means to guide the continuous web toward the first set of spirals and the second s...
12/04/2007
7097607Folding roller for paper converting machine
An interfolding machine, having first and second folding counter rotating rollers, a substantially cylindrical body and a plurality of folding means for engaging at a contact line (15) for making a stack of folded and/or interfolded sheets in a folding area. ...
08/29/2006
6099452Forms stacker
A stacker and cart are provided for vertically stacking forms fed from a printer, folder, or other mechanism, by a conveyor, which do not require tilting of the cart to allow offloading of the forms. The stacker has a housing with side walls parallel to a...
08/08/2000
5820539Device and method for continuous plaiting of web-shaped material
A device (1) for continuous plaiting of web-shaped material with a plaiting table (2) and a plaiting arm (3) possesses auxiliary depositing means (5) insertable between the plaiting arm (3) and the plaiting table (2). The auxiliary depositing means (5) en...
10/13/1998
5730695Method and apparatus for stacking folded towels and the like
An apparatus for stacking zig-zag interfolded articles such as towels (3) cludes two carrier forks (22, 23) extending toward each other from opposite sides and forming a two-piece stacking table (8) onto which the folded towels are stacked. The apparatus ...
03/24/1998
5279536Handling apparatus for a continuous web of Z-fold computer paper
Apparatus for handling a continuous web of Z-fold computer paper discharged from a printer includes a conveyor having spaced apart paper stacking and stacked paper removing regions. Included in the apparatus is a plurality of stacking blades moveable in a...
01/18/1994
5149075Apparatus for separating folded web
A web separator is provided that cuts a web at predetermined separation locations. Downstream of the cutting, the web is folded at predetermined fold locations. A continuously swinging director, downstream of the folding, guides advancing sections of web ...
09/22/1992
5139248Printed paper folding apparatus
The present invention relates to a printed paper folding apparatus comprising: conveyor means provided from the upstream side of a folded paper conveying path located below a folder unit to a folded paper cutting position on the downstream side thereof so...
08/18/1992
5110101Apparatus for subdividing a running web of coherent panels in zig-zag formation
Successive panels of a running web with panels in zig-zag formation are deflected into a duct wherein the panels gather into a growing pile on a vertically movable bottom wall. A severing tool is moved across the pile at a selected level above the bottom ...
05/05/1992
5090678Method and apparatus of forming a separated stack of zigzag folded sheets from a main stack
A method and apparatus for forming separated stacks of perforated, zigzag folded sheets from a main stack comprises a feed conveyor adapted to receive the folded sheets and to transmit such sheets on their folded ends to a sheet spreading and cutting stat...
02/25/1992
5088707Method and apparatus for the production of numerically correct stacks
A method and apparatus for producing numerically correct partial stacks from individual leaves or sheets interfolded in a U-shaped or zigzag form on an interfolder. A double stream is formed from one or more streams of sheets by staggering or guiding toge...
02/18/1992
5087023Apparatus and method for folding separated forms in a stack
An apparatus and method for separating and folding forms cut from a continuous web is provided wherein a swing chute having opposing first and second conveying surfaces positively conveys a form to a delivery table, maintaining control of the form until t...
02/11/1992
5064179Method of forming zigzag-shaped piles from a continuous band of a flexible material and machine for carrying out this method
The invention relates to a method and a machine for forming zigzag-shaped piles from an endless band of paper wherein the band is deposited and folded on an appropriate support and, at the end of the formation of a pile, a rupture of the band is provoked ...
11/12/1991
5062597Method of forming a new pile after discharge of a completed pile in a pile-forming machine associated in particular with a printer and device for carrying out this method
A method of forming a new pile after the discharge of a completed pile in a machine for forming piles in zigzag fashion from a flexible web, the method consisting in rupturing the web at a transverse perforation line located between the last flap of the p...
11/05/1991
4928940Apparatus and method for printing separating continuous forms into folded discrete jobs including accumulator
Apparatus and method for printing and separating continuous forms into discrete folded jobs from a single moving web including an accumulator positioned between a printer and job separator with the accumulator being constructed to accumulate a portion of ...
05/29/1990
4874158Dispensing fold improvement for a clip separator
Method and apparatus for forming a dispensing fold for a clip or predetermined number of interfolded sheets from a continuously building interfolding process having first and second opposed dispensing fold fingers operable between actuated and deactutated...
10/17/1989
4871157Zigzag folding apparatus having web cutter means
A zigzag folding apparatus has conveyors for transporting a zigzag folded web from a folding station to a discharge station, and an adjustable web cutter for separating the web at adjacent folds into groups of folded web segments during the process of tra...
10/03/1989
4842572Apparatus for subdividing a running web of panels in zig-zag formation into stacks
A continuous running web with panels in zig-zag formation is delivered by a conveyor in the form of a scalloped stream and successive panels are deflected into a duct wherein the panels descend and gather on a bottom wall between two upright sidewalls whi...
06/27/1989
4842573Apparatus for forming stacks of panels in zig-zag formation
Apparatus for stacking panels of a running web in zig-zag formation by folding the web along transversely extending weakened fold lines has a vertically movable table which supports successive growing stacks at a stacking station and has a concave or conv...
06/27/1989
4778165Apparatus for folding and cutting web stacks
In the apparatus for binding stacks (31) of zig-zag-folded layers (40) a folder (10) is followed by a stacking device (43), which has a lifting table (14). In stacking area (41) following folder (10) is provided a separating device (24) in the form of a r...
10/18/1988
4770402Clip separator for interfolded sheets
An automatic separator for separating predetermined quantities of items such as paper napkins, includes an interfolding table at a package building station to form an interfolding process stack, an actuatable platform count finger positionable above the i...
09/13/1988
4750724Apparatus for stacking a zigzag folded web
An apparatus for stacking a zigzag folded web into piles includes means for directing the web folds into a fold stacking station and includes endless fold directing belts having a sloped run which tangentially contacts only the outer free edges of the fol...
06/14/1988
4730762Process and equipment for manufacturing individual stacks consisting of a length of material folded in zig zag form
Method and apparatus for producing individual stacks of zigzag-folded material from a continuously fed length of material containing cross perforations. A target cross perforation is sensed and halted ahead of the stack being formed. By gripping the mater...
03/15/1988
4721295Apparatus and process for separating stacks of sheets into bundles
Method and apparatus for automatically separating interfolded sheets from an interfolder into bundles having a predetermined count. Two separator plates are inserted into the stack of sheets at the proper sheet count, defining a bundle. An elevator and on...
01/26/1988
4718654Apparatus and method for separation and delivery of continuous forms
A device for zig-zag folding a series of web segments connected at transverse lines of perforation and for separating a pre-determined series of the web segments into stacks having co-acting folding rolls adapted to deliver a zig-zag folded web, a pair of...
01/12/1988
4717135Apparatus and process for automatically interfolding sheets and separating them into bundles
Apparatus and process for interfolding a pair of webs into a plurality of bundles, the process comprising conveying the webs through cutting means, a first web-directing means, and a folding means in a first path to form a first bundle, and conveying the ...
01/05/1988
4700939Apparatus and process for separating and removing bundles of sheets
Apparatus and processes for receiving sheets from a sheet stacker, separating them into bundles, and removing the bundles from the discharge area of the sheet stacking apparatus. The apparatus includes a frame, a rotatable receiving means mounted on the f...
10/20/1987
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