US3858819A - Web supply apparatus - Google Patents

Web supply apparatus Download PDF

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Publication number
US3858819A
US3858819A US299713A US29971372A US3858819A US 3858819 A US3858819 A US 3858819A US 299713 A US299713 A US 299713A US 29971372 A US29971372 A US 29971372A US 3858819 A US3858819 A US 3858819A
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United States
Prior art keywords
web
splicing station
source
bar
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US299713A
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English (en)
Inventor
Jr Richard A Butler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Butler Automatic Inc
Original Assignee
Butler Automatic Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Butler Automatic Inc filed Critical Butler Automatic Inc
Priority to US299713A priority Critical patent/US3858819A/en
Priority to CA178,005A priority patent/CA988842A/en
Priority to IT69528/73A priority patent/IT994664B/it
Priority to JP10129973A priority patent/JPS572620B2/ja
Priority to NL7313521A priority patent/NL7313521A/xx
Priority to GB4844773A priority patent/GB1443804A/en
Priority to AU61486/73A priority patent/AU483838B2/en
Priority to DE19732352220 priority patent/DE2352220A1/de
Priority to FR7337471A priority patent/FR2207496A5/fr
Priority to BE136928A priority patent/BE806354A/xx
Priority to CH1496373A priority patent/CH574860A5/xx
Priority to AR250663A priority patent/AR200286A1/es
Priority to BR8324/73A priority patent/BR7308324D0/pt
Application granted granted Critical
Publication of US3858819A publication Critical patent/US3858819A/en
Priority to US05/687,260 priority patent/USRE29365E/en
Assigned to SHAWMUT BANK, N.A., reassignment SHAWMUT BANK, N.A., SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BUTLER AUTOMATIC INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46172—Processing webs in splicing process after splicing cutting webs in splicing process cutting expiring web only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4621—Overlapping article or web portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • B65H2301/46312—Adhesive tape double-sided
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46412—Splicing effecting splice by element moving in a direction perpendicular to the running direction of the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/22—Splicing machines
    • B65H2408/221—Splicing machines features of splicing unit
    • B65H2408/2211—Splicing machines features of splicing unit splicing unit located above several web rolls arranged parallel to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated

Definitions

  • ABSTRACT Web supply apparatus for supplying relatively stiff web material such as liner board for a corrugator serves the web from one of two supply rolls.
  • the running web passes through a splicing station and a festoon on its way to the web-consuming machine.
  • the leading end of the ready web is prepared on a web positioning bar away from the splicing station and then carried by the bar to the splicing station while the running web is being consumed.
  • a control system automatically stops the roll of running web and special pressure pads at the splicing station press the running web and ready web together to make a strong splice between them.
  • the apparatus incorporates roll stands of the rollout type, the web positioning bars are affixed directly to the roll stands and move in and out of the splicing station with them.
  • the positioning bars are moved from a remote loading station to the splicing station by a special transport assembly. Also, the positioning bars can be moved manually from the preparation site to the splicing station if the situation demands it.
  • the splicing is accomplished at zero speed with maximum reliability, yet the stiff web proceeds uninterruptedly and at constant speed to "the corrugator.
  • This invention relates to web splicing apparatus. It relates more particularly to apparatus of this type which automatically splices and cuts relatively stiff web material such as liner board for making corrugated cardboard. It is designed particularly to splice the leading edge of a ready web of stiff material to the trailing edge of a running web while the web proceeds uninter ruptedly and at substantially uniform speed and tension to a web-consuming machine, e.g., a corrugator, printer, etc.
  • Web supply apparatus which supplies web uninterruptedly to a web-consuming machine is, of course, not new. Examples of such machines are shown in US. Pat. Nos. 3,305,189 and 3,414,208. While these prior machines are able to handle relatively limp webs quite easily, making a strong, accurate splice with little or no tail, they are not so successful with the stiffer webs such as liner board. Sometimes the splice between the trailing end of the running web and the leading end of the ready web may not take or remain secure all across the web, with the result that the two webs sometimes come apart on the way to the web-consuming machine.
  • the prior machines of this type do not cut cleanly all the way through the expiring end of the ready web, with the result that the splice has a very long tail which may be pulled into the web-consuming ma chine and interfere with its proper operation.
  • Another problem with the prior web supply apparatus is that it is difficult to incorporate them into an existing web processing setup because they are rather large and, therefore, cannot fit into the available space.
  • the web supply and splicing apparatus is just one of a series of machines in a production line. All of the machines in the line are extremely large and massive and, therefore, extremely difficult and costly to move.
  • many existing web processing setups cannot be retrofitted with conventional web supply apparatus having a splicing capability without having to move one or more of the massive machines in the line in order to accommodate the web supply apparatus.
  • the present invention aims to provide web supply apparatus which delivers even relatively stiff web such as liner board uninterruptedly and at a substantially constant speed to a consuming machine such as a corrugator.
  • Another object of the invention is to provide web supply apparatus which is able to splice even stiff webs in a reliable and consistent manner.
  • Still another object of the invention is to provide a web supply apparatus of the above type which can make a strong, neat splice at zero web speed, yet still deliver the web uninterruptedly to a web-consuming machine.
  • Still another object of the invention is to provide web supply apparatus of the above type which consistently cuts cleanly through the expiring end of the running web after the splice is made and leaves a small tail.
  • the present web supply apparatus delivers web such as liner board for making corrugated card board from one of two rolls, one of which is running and one of which is at the ready.
  • the web from the running roll travels through a splicing station to be described in more detail later which is located more or less above and between the two rolls. From there, the web travels to a festoon or accumulator which is positioned in a generally horizontal plane directly above the two rolls and the splicing station and thence to the webconsumi'ngmachine.
  • the leading edge of the ready roll is prepared by securing it to a mounting bar by means of a suitable adhesive or the like and applying a strip of double-faced adhesive tape to the edge. Then the mounting bar is carried to the splicing station in a manner to be described in complete detail later to await depletion of the running roll.
  • the splicing cycle commences. First, the roll of running web is braked to a smooth stop. As soon as the roll stops, a pair of spaced-apart opposed pressure pads at the splicing station are projected toward each other. One pad extends directly behind the mounting bar holding the leading edge of the ready web. The other pad is located behind the running web passing through the splicing station. As the two pads are urged toward one another, the running web and ready web are pressed together and adhere by virtue of the double-faced, pressure-sensitive tape on the ready web.
  • a knife is associated with each pressure pad at the splicing station, each knife extending the full width of the web.
  • the knife associated with the pad behind the running web is actuated automatically immediately following the splice so that it is propelled through the running web and into a special knife backup which allows the blade to sever the running web, but shields the ready web.
  • the pressure pads are arranged so that, during the cutting operation, the pads securely grasp the ready and running webs both above and below the line of the cut. Since the running web is held firmly at both sides of the knife blade, it is under tension when the cut is made. Consequently, the blade cuts quickly and cleanly and surely through even stiff web material, such as liner board.
  • the web supply apparatus still delivers web at constant speed and tension to the web-consuming machine, drawing on the supply of web stored in the festoon.
  • the roll of ready web is accelerated until the festoon is refilled with web from the new roll, thereby completing the splice cycle.
  • the present web supply apparatus thus achieves an excellent seal between the two webs.
  • the joint is clean and uniform across the entire web even when splicing together webs of different widths or different grades.
  • the splice overlap or tail is relatively small, on the order of 6 inches, so that there are no jams further downstream in the line and a printer can actually print right over the splice.
  • the present web supply apparatus can be used with either the fixed position or rollout type roll stands for supporting the web rolls.
  • the only major difference be tween the two embodiments involves the specific means for moving the web mounting bars to the splicing station as will be described later in greater detail.
  • FIG. 1 is a front elevation of web supply apparatus made in accordance with this invention, and incorporating web stands of the rollout type;
  • FIG. 2 is an end view thereof
  • FIG. 3 is a sectional view on a larger scale showing splicing station of the FIG. 1 apparatus in greater detail;
  • FIG. 4 is a perspective view with parts broken away on a still larger scale of the splicing station
  • FIG. 5 is a view similar to FIG. 1 of an embodiment of the apparatus incorporating fixed position type roll stands;
  • FIG. 6 is an end view thereof
  • FIG. 7 is a front elevational view with parts cut away on a larger scale showing the splicing station of the apparatus adapted for manual handling of the web positioning bars;
  • FIG. 8 is a perspective view with parts broken away showing the web positioning bar used with the FIG. 7 apparatus.
  • FIGS. 1 and 2 of the drawings show the apparatus of the present invention with roll stands of the rollout type. It is shown positioned under the bridge 12 of a conventional corrugator (not shown).
  • One rollout stand indicated at 14 supports a roll 16 of running web W.
  • the other stand 18 supports a roll 22 of ready web W.
  • Both roll stands 14 and 18 are fitted with wheels 26 which ride on tracks 28 in the floor.
  • the purpose of the roll stands is to facilitate replenishing the web supply.
  • roll 16 expires, the web W is spliced to web W' and the apparatus draws on the web from roll 22.
  • Roll stand 14 is rolled along tracks 28 away from the rest of the apparatus,
  • Roll stands of this general type are wellknown and will not be detailed here. They are shown, for example, in US. Pat. No. 3,488,014, French Pat. No. 7505004 and Belgian Pat. No. 763,032.
  • the present stands differ from the prior ones in that they include a pair of upstanding, spaced-apart columns 32 at the ends of the opposing sides of the stands.
  • Three rollers 33a, 33b and 330 are mounted at the upper end of each column (FIG. 4) Roller 33a is generally horizontal, while rollers 33b and 330 are situated at the opposite ends of roller 33a and oriented perpendicular to that roller.
  • the two columns on each stand are arranged to loosely horizontally support a long, rectangular web positioning bar; to wit: stand 14 supports a bar 34 and stand 18 supports a bar 36 for reasons to be dwelt on later.
  • the rollers 33 permit lengthwise and lateral movement of each bar relative to its supports.
  • Festoon 38 includes a pair of transverse, spaced-apart end beams 39 and 40 which, in turn, support a pair of spaced-apart upper rails 41 and a pair of spaced-apart lower rails 42.
  • a selected number, i.e., three, of idler rolls 44 are rotatively mounted between rails 42 near the left-hand end thereof. Also, a guide roll 46 is rotatively supported from those rails midway across the festoon. Additional idler rolls 48 are rotatively mounted between rails 41. In the present instance, there are two such rolls located above rolls 44.
  • Festoon 38 also includes a yoke 52 which carries three dancer rolls 54 arranged generally in a horizontal plane. Yoke 52 is movable toward and away from the idler rolls 44 and 48 along a suitable track (not shown).
  • Web from the running roll, i.e., roll 16 is fed to the festoon 38 by way of a splicing station indicated generally at 58, to be described in greater detail later.
  • the web W is trained around the guide roll 46 and then looped back and forth between the fixed rolls 44 and 48 and the movable dancer rolls 54, thereby forming a number of bights in the festoon.
  • the web W is trained around a guide roll 61 rotatively supported by bridge 12 and thence passes on into the web-consuming machine, i.e., a corrugator 63.
  • the yoke 52 is biased away from the fixed rolls 44 and 48 pneumatically, hydraulically or by means of suitable counterweights so that it tends to assume a position near the right-hand side of the festoon. Accordingly, the festoon is able to store a relatively large supply of web, typically on the order of 60 feet or more.
  • the roll stand 18 is rolled out and filled with roll 22. The leading edge of web W is adhered to the positioning bar 36 on stand 18 and prepared with double-face, pressure-sensitive tape. Then the stand 18 is rolled back into the position shown in FIG. 1 to await depletion of roll 16. In this position, the bar 36 and the leading edge of the ready web W are situated in the splicing station 58.
  • the apparatus automatically commences its splice cycle, whereupon roll 16 is immediately braked to a stop by conventional braking means such as shown in US. Pat. Nos. 3,305,189 and 3,414,208.
  • the leading edge of the ready web W which has been prepared as aforesaid is bonded to the running web in the splicing station 58 as will be described later in detail and the running web W is severed just behind the splice. Following this, the roll 22 of ready web is accelerated.
  • the yoke 52 and dancer rolls 54 move toward the idler rolls 44 and 4-8 as the web-consuming machine uses up the accumulation of web in the festoon. Then as the ready roll 22 accelerates after the splicing operation, the festoon 38 receives more web than it loses so that the yoke 52 resumes its normal position near the right-hand end of the festoon, thereby completing the splice cycle.
  • the stand 14 can be rolled out and the core thereon replaced by a new roll of web. In this case, the leading edge of that web is adhered to the web positioning bar 34 on stand 14 and prepared with double-faced adhesive. Then the roll stand 14 is moved back into its position shown in FIG. 1 to await the expiry of roll 22 and the next splice cycle.
  • the splicing station 58 is comprised of a pair of front and rear depending plates 62 and 64 suspended from festoon rail 42 and connected by cross beams 65. Each plate 62, 64 is notched at 66 and 68, respectively, to provide clearance space through the centers of the plates.
  • a pair of generally horizontal channels 72 (FIG. 1) and 74 (FIG. 3) are formed on the front and rear plates, respectively, so that they oppose one another inside the splicing station. These channels form tracks for a pair of carriage assemblies indicated generally at 76 and 78.
  • Carriage assemblies 76 and 78 are substantially mirror images of one another. Therefore, we will use the same identifying numerals for their common components.
  • Each carriage assembly includes a depending front plate 82 (FIG. 1) and a depending rear plate 84 (FIG. 3) arranged just inside end plates 62 and 64, respectively.
  • a pair of rollers 86 on the outside of each plate 82 is arranged to ride in channel 72 and a similar pair of rollers 88 on the outside of each rear plate 84 are arranged to ride in the channel 74 on the rear end plate 64. This enables the carriage assemblies to move laterally in a generally horizontal plane toward and away from one another.
  • each carriage assembly Connected between the front and rear plates of each carriage assembly is a long, rectangular bar 92.
  • This bar 92 is spaced an appreciable distance back from the notches 66 and 68 in the end plates.
  • a second bar 94 Spaced in front and parallel to each bar 92 is a second bar 94 which is somewhat shorter vertically than bar 92.
  • Each bar 94 is positioned so that its opposing face is more or less adjacent the edges of notches 66 and 68.
  • Bars 92 and 94 are connected along their lengths by a number of spacedapart lateral plates 96 which extend down to the lower edge of front plate 94.
  • a long, rectangular, generally horizontal plate 98 is positioned directly below plates 96 and secured to the front and rear plates 94 and 92 to provide an upper guide surface for a knife assembly indicated generally at 102.
  • the lower face of plate 98 is provided with a wear surface 104.
  • the lower guide for the knife assembly 102 is provided by a similar rectangular plate 106 spaced below and parallel to plate 98.
  • Plate 106 has an upper wear surface 107 and is also secured to the rear plate 92 as well as to depending carriage plates 82 and 84.
  • each lower knife guide 106 is provided with a coextensive rectangular facing plate 110 of the same thickness as plate 94.
  • a pressure pad 112 made of rubber or other suitable resilient material covers the entire exposed face of the plate 94.
  • Each carriage assembly 76 and 78 is movable along its track by suitable means illustrated here as a hydraulic piston shown generally at 116.
  • Each piston 116 includes a cylinder 117 secured to the stationary beam 65 and a piston rod 120 whose free end is connected to the carriage rear plate 92.
  • Each piston 116 is of the doubleacting variety so that it can move its associated carriage assembly between a first position wherein the pressure pads 112 and l 14 are located substantially adjacent the edges of the notches 66 and 68 to a second position where the pads protrude appreciably into the notches.
  • each knife assembly 102 is comprised of a long, rectangular block 118 which is able to slide laterally in the space between the wear surfaces 104 and 107 relative to its supportive carriage assembly.
  • a long knife blade 122 is secured to the inner edge margin of the block. The arrangement is such that when the block and knife blade are fully retracted, the edge of the knife blade does not protrude beyond the pressure pads 112 and 114. On the other hand, when the knife is extended, its cutting edge extends out appreciably beyond those pads.
  • a knife arrangement employing a special serrated knife and knife backup which is particularly suitable for cutting stiff web such as liner board is disclosed in US. application Ser. No. 273,717, filed July 21, 1972, entitled WEB CUTTING KNIFE now abandoned, said application being owned by the assignee of the present application.
  • Each piston includes a cylinder 1.26 connected to rear plate 92 and a piston rod 128 extending through an opening in that rear plate and connected to the rear of the knife block 118.
  • a special knife backup 134 is centered in the notches 66 and 68.
  • the backup is essentially a long, rectangular rail which is oriented edge-up and suspended horizontally from the front and rear end plates 62 and 64 by a pair of straps 136 and 138.
  • the backup 134 is formed with a pair of long, generally rectangular slots 142 and 144, each being directly opposite the adjacent knife blade 122. Each slot 142 and 144 is just wide enough and deep enough to accommodate the knife blade in its fully extended position.
  • the splice cycle is commenced as described above.
  • the splicers control system actuates the carriage assembly pistons 116 causing the carriage assemblies 76 and 78 to come together as shown in dotted lines in FIG. 3, so that their pressure pads 112 engage and press the positioning bars 34 and 36 together between straps 136 and 138.
  • This forces the web W against the adhesive strip 154 affixed to the leading edge of the ready web W, with the pressure on the two webs being sufficient to make a strong, reliable bond between them.
  • the knife piston 124 in the left-hand carriage assembly 76 is actuated by the control system, causing the left-hand knife blade 122 to project out momentarily beyond its corresponding pressure pads 112, 114 through the web W and into the slot 142 in the knife backup 134
  • the webs W and W are grasped firmly between the two positioning bars 34 and 36 above the knife. They are also held firmly below the knife between the lower pressure pads 114 and the knife backup 134. As noted above, these lower pads are somewhat thicker than the upper pads 112 to compensate for the widths of the positioning bars 34 and 36 adjacent the pads 112.
  • the knife blade Since the webs are held firmly on both sides of the line of cut, the knife blade is able to cut surely and cleanly through the web W quite close to the joint. Consequently, the splice is characterized by a relatively short tail, on the order of 6 inches, including the 2 inch joint.
  • the tail produced by the left-hand assembly 76 is slightly longer than the one produced by the right-hand assembly 78 because the two knife blades 122 and their receiving slots 142 and 144 are slightly offset one above the other.
  • This offset arrangement and the special knife backup 134 allow the appropriate knife blade 122 to sever only the expiring end of the running web; the backup completely shields the ready web from the knife impact.
  • carriage assemblies 76 and 78 retract automatically to their solid line positions shown in FIG. 3 and the leading edge of the ready web W is pulled by the running web W to which it is attached out of the splicing station 58 and over the guide roll 46.
  • the roll stand 14 can be rolled out as described above, thereby withdrawing the positioning bar 34 from the splicing station 58 so that the leading edge ofa new web roll can be positioned in stand 14 and prepared on bar 34 far away from the heat and congestion at the splicing station.
  • FIGS. 5 and 6 of the drawings show a slightly different splicer embodiment incorporating fixed type roll stands. Since most of the components of the FIGS. 1 to 4 embodiment of the invention are found also in this embodiment, we will assign the same identifying numerals to them. Aside from the roll stands themselves, the only other major difference here involves the means for carrying the positioning bars 34 and 36 from the location where the leading end of the ready web is affixed to them to their position at the splicing station 58.
  • a conventional fixed type roll stand indicated generally at is positioned directly below the festoon 38 and splicing station 58.
  • the roll stand 170 has a pair of spaced-apart chuck supporting arms 172 for holding the running web roll 16.
  • the arms 172 can be lowered when loading a new roll onto the arms 172, after which the arms can be raised to lift the roll off the floor.
  • a second similar pair of arms 174 are positioned at the opposite side of the roll stand supporting the ready web roll 22.
  • each positioning bar carrying the leading end of the ready web is moved from a web loading position away from the splicing station 58 to the splicing station by a positioning bar transport assembly.
  • the transport assembly associated with the roll 16 is indicated generally at 176
  • the transport assembly associated with roll 22 is shown generally at 178.
  • the two transport assemblies are substantially mirror images of one another. Accordingly, the same components of each assembly will be denoted by the same identifying numeral.
  • FIG. 5 shows the chain and its supporting mechanism which is situated at the front of the apparatus.
  • An identical chain 182 and supporting mechanism is located at the rear of the apparatus, both chains moving in unison.
  • the lower reach of each chain 182 in assembly 176 is trained around a pair of idler sprockets 184 and 186 ro tatively mounted at the bottoms of depending carriage assembly plates 82 and 84.
  • Each chain 182 extends up through the splicing station 58 and is trained over a sprocket 188 mounted near the top of plate 62 or 64.
  • the sprockets 188 are driven by means of a suitable electric motor drive system 189.
  • each chain extends out generally horizontally away from the splicing station 58.
  • the upper reach of each chain in assembly 176 passes over an idler sprocket 192 mounted on a depending plate 194 secured to the festoon rail 42. From there, the upper reach passes over a pair of guides 196 and 198 secured on a plate 202 also suspended from rail 42.
  • the lower reach of each chain 182 passes over an idler sprocket 204 affixed to plate 194 and both reaches join at a chain tensioning assembly shown generally at 206, there being one at the front of assembly 176 and one at the rear thereof.
  • Each tensioning assembly 206 is comprised essentially of a pair of idler sprockets 288, 218 mounted on a fixed base 211 and supporting the upper and lower reaches of the chain, respectively.
  • the chain loop beyond these sprockets passes around a third idler sprocket 212 on a fixture 213 which is slidable on a rail 215 toward and away from the fixed sprockets.
  • a compression spring 214 acting between the fixed base supporting the sprockets 208 and 210 and the movable fixture 213 biases sprocket 214 downward so as to keep the endless chain 182 in a taut condition.
  • the travel of the movable sprocket 214 also allows the path of the chain 182 to be altered for reasons to be discussed presently.
  • the two endless chains 182 in transport assembly 176 are moved in unison by the driven sprockets 188.
  • the chains 182 are moved counterclockwise to advance the positioning bar 34 from a loading position shown at point A in FIG. wherein the bar is shown in dotted lines to a ready position at the splicing station 58 wherein the bar is shown in solid lines.
  • the web positioning bar 36 associated with the righthand roll in FIG. 5 is moved in exactly the same way by the chains in assembly 178.
  • the chains are moved clockwise to advance the bar from a loading position at point B wherein the bar 36 is shown in solid lines to a ready position at splicer station 58 wherein the bar is shown in dotted lines.
  • the driven sprockets 188 in each transport assembly 176, 178 are driven in opposite directions in unison by the same drive system 189.
  • the two assemblies are 180 out-of-phase so that when the positioning bar 34 is in its ready position at the splicing station 58, the positioning bar 36 is in its loading position at point B, and vice-versa.
  • a switch 222 is mounted on a bracket 202 in transport assembly 178. This switch is arranged to be tripped by a finger 224 projecting out laterally from the chain 182 when the web positioning bar 36 reaches its loading position at point B. Of course, this also means that the positioning bar 34 is in its ready position at the splicing station 58.
  • a similar switch 222 and actuator 224 is associated with the transport assembly 176 to stop the bar 34 at its loading position at point A. Thus, each of the switches 222 turns off the drive system 189 at just the right times to properly locate the positioning bars 34 and 36.
  • the chains 182 carrying positioning bar 36 carry the leading edge, of the readyweb W along the paths of the chains around the guide roll 132 and to the ready position at splicing station 58.
  • the empty positioning bar 34 is carried counterclockwise by the transport assembly 176 to its loading position at point A at the extreme left-hand side of the apparatus. The two bars stop at the proper places because the switch 222 in the transport assembly 176 is tripped at the right time and turns off the drive system 189.
  • the splicing cycle commences automatically as described above, the car riage assemblies 76 and 78 moving toward each other as described above. Since these assemblies carry the chains 182, the movable sprockets 212 in the tensioning assemblies 206 move up accordingly.
  • the knife blade 122 on carriage 76 is actuated to sever the ready web W just behind the splice, following which the carriage assemblies are retracted and the web W accelerated up to speed.
  • FIG. 7 illustrates still another embodiment of the apparatus which can be used in conjunction with most types of roll stands.
  • the positioning bar carrying the leading edge of the ready web is moved manually to the splicing station 58.
  • a typical positioning bar is illustrated in FIG. 8. It is comprised of a hollow, generally rectangular box frame 260. The front face of the box frame is faced with a resilient pad 262 of rubber or the like. Attached to the opposite ends of the frame are a pair of relatively long, generally rectangular straps 264 and 266 which project out from the ends of the frame. These straps are made of a berylium copper alloy which is quite strong yet quite flexible so that they will allow the bars to be pressed together to make a splice.
  • a pair of elongated slots 274 and 276 are formed in the straps to support the bar at splicing station 58 as will be described presently and a pair of handles 268 and 272 are affixed to the free ends of the straps so that it can be carried easily. This same type of bar without the handles can be used with the FIGS. 14 embodiment of the apparatus.
  • Splicing station 58 is more or less the same as the one depicted in connection with the FIGS. 1-4 embodiment of the invention, except that provision is made for supporting the positioning bars which are carried manually to the splicing station 58. More particularly, a pair of identical, horizontally oriented slides 282 are mounted on the outside of front end plate 62 at the opposite edges of notch 66. Each slide slidably supports a strap or retainer 284. The end of the strap 284 facing the notch has a cutout or notch 286 extending down from its top edge. Each strap is arranged to project through the slot 274 in the web positioning bar shown in FIG. 8 with the top edge of the slot seating in the notch 286.
  • Each strap 284 is biased away from notch 266 by a compression spring 288 acting between the slide 282 and a washer 292 mounted on the end of the strap and retained there by a pin 294extending through the end of the strap.
  • the straps 284 affixed to plate 62 are designed to support one end of a pair of positioning bars 34 and 36 and an identical arrangement affixed to the outside of the rear end plate 64 supports the other ends of these bars in exactly the same way.
  • FIG. 7 shows one positioning bar 34 supported by straps 284 at the left-hand side of the splicing station 58.
  • the running web W which was originally carried by this bar passes up through the station and over roll 46.
  • the leading end of the ready web W has already been affixed to the other positioning bar 36 and that bar has been carried by two men standing in front of and behind the apparatus to the splicing station 58.
  • a pair of guide plates 298 are affixed to end plates 62 and 64 opposite the ends of the knife backup 134.
  • Additional guide plates 302 are attached to plates 62 and 64 adjacent the edges of the notches 66 and 68.
  • the web positioning bar 36 is slid up into the space between the guide plates 298 and 302 and the bar is hooked up onto the notched straps 284 to position the bar so that the leading end of the ready web is in position for the next splice.
  • a top horizontal guide plate 304 is attached to plates 62 and 64 at the tops of each notch 66 and 68 to provide a guide for the positioning bars so that they cannot cock.
  • the web W stops and the carriage assemblies 76 and 78 are moved toward each other as described above. This pushes the positioning bars 34 and 36 together, this movement being accommodated by the slidable straps 284 to which the bars are connected. As soon as the bars press together, the running web is adhered to the ready web W, whereupon the running web is cut just behind the splice. Following this, the carriage assemblies retract, as do the positioning bars, due to the return bias afforded by the compression springs 288. The ready web W is now pulled out of the splicing station 58 by the trailing end of the running web. Finally, the ready web roll is accelerated up to speed, completing the splicing cycle.
  • the positioning bar 34 can be removed manually from the splicing station 58 and outfitted with the leading end of a new ready web and returned to its position at station 58 to await the next splice.
  • the FIG. 7 apparatus is more or less the same as the other two embodiments. Therefore, it affords the same advantages in terms of the speed and reliability of the splice. Further, this embodiment is especially suitable when retrofitting existing apparatus where working space is at a minimum.
  • Web supply apparatus comprising A. a first source of web,
  • a first knife assembly associated with the first pressure pad, said knife assembly including a first blade movable from a retracted position out of the path of web from the first source through the splicing station to an extended position wherein it projects through the path of web from the first source through the splicing station,
  • a second knife assembly associated with the second pressure pad, said second knife assembly including a second blade movable from a retracted position out of the path of web from the second source through the splicing station to an extended position wherein it projects through the path of web from the second source through the splicing station, each said pressure pad extending above and below the corresponding knife assembly so that when the two pads come toward one another, they retain the web on both sides of the cutting knife blade, and
  • F. means for moving the leading end of the web from the other source from the loading station to a position at the splicing station between the two pressure pads
  • control means for commanding the pressure pad moving means to move the pressure pads toward one another so that the web from the one source is pressed against the leading edge of the web from the other source so that the two become joined
  • H means for commanding the blade moving means which moves the blade adjacent the path of the web from the one source to move to its second position while the pads are moved toward one another so that said blade severs the web from the one source just behind its joint to the web from the other source.
  • the web supply apparatus defined in claim 1 and further including a knife backup positioned directly between the two knife assemblies against which the cutting knife blade acts when cutting the web from the one source, said knife backup also shielding the web from the other source from said cutting knife blade during the cutting operation.
  • Web supply apparatus as defined in claim 2 wherein the backup is comprised of a rail extending parallel to the knife blades, said rail having A. a first blade receiving slot directly opposite the first knife blade and a second blade receiving slot directly opposite the second knife blade, said first and second knife blades and their slots being offset relative to one another.
  • Web supply apparatus as defined in claim 1 and further including a web accumulator located downstream from the splicing station and further including means for stopping the one source of web so that ajoint can be formed at zero web speed, the accumulator providing the web required by a downstream webconsuming machine while the incoming web is stopped.
  • the bar locating means is comprised of means on each roll stand for supporting the bar to which the leading end of the web from the other source is affixed so that when the roll stand supporting the other source is moved to its normal position for feeding web, the positioning bar supported by that stand properly locates the leading edge of the web at the splicing station between the pads.
  • the bar locating means includes A. transport means connected to each web positioning bar, said transport means communicating be tween the web loading station and the splicing station, and
  • Web supply apparatus comprising A. a first source of web,
  • a splicing station not conveniently accessible to an operator, said splicing station including 1. first pressure applying means,
  • a first knife assembly associated with the first pressure applying means, said first knife assembly including a first blade movable from a re tracted position to an extended position wherein it projects beyond the first pressure applying means toward the second pressure applying means,
  • second knife assembly associated with the second pressure applying means, said second knife assembly including a second blade movable from a retracted position to an extended position wherein it projects beyond the second pressure applying means toward the first pressure applying means,
  • F. means for moving the first and second blades be tween their two positions.
  • the bar locating means are comprised of means on each roll stand for supporting the bar to which the leading end of the web from a. source is affixed so that when the roll stand supporting that web end is moved to its normal position for feeding the web, the positioning bar supported by that stand properly locates the leading end of that web at the splicing station between the pressure applying means.
  • the web supply apparatus defined in claim 10 wherein the bar locating means include A. transport means connected to each web positioning bar, said transport means communicating between each web loading station and the splicing station, and
  • B means for moving the transport means so as to carry each positioning bar between its two stations.
  • the web supply apparatus defined in claim 13 and further including means for controlling the transport means so as to locate each positioning bar at one of its two stations.
  • transport means are comprised of A. a chain loop extending between one said loading station and the splicing station, and
  • B. means for driving the chain so that the positioning bar connected thereto is carried by the chain between the two stations.
  • the web supply apparatus defined in claim 13 and further including means for adjusting the path of the transport means to compensate for the change in said path which occurs when the pressure applying means are moved.
  • Web supply apparatus comprising A. a first source of web,
  • a splicing station through which web travels alternately from the first and second sources, said station including,
  • a first knife assembly said first knife assembly including a first blade movable from a retracted position out of the path of the web from the first source through the splicing station to an extended position wherein it projects into the path of the web from the first source through the splicing station,
  • a second knife assembly said second knife assembly including a second blade movable from a retracted position wherein it is out of the path of the web from the second source through the splicing station to an extended position wherein it projects I into the path of the web from the second source through the splicing station, said pressure applying means extending upstream and downstream relative to their corresponding knife blades so that when the pressure applying means are moved to their extended positions, they grip the web between

Landscapes

  • Replacement Of Web Rolls (AREA)
US299713A 1972-10-24 1972-10-24 Web supply apparatus Expired - Lifetime US3858819A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US299713A US3858819A (en) 1972-10-24 1972-10-24 Web supply apparatus
CA178,005A CA988842A (en) 1972-10-24 1973-08-02 Web supply apparatus
IT69528/73A IT994664B (it) 1972-10-24 1973-08-23 Dispositivo alimentatore di mate riale in nastro particolarmente per macchine per la fabbricazio ne del cartone ondulato
JP10129973A JPS572620B2 (enrdf_load_stackoverflow) 1972-10-24 1973-09-10
NL7313521A NL7313521A (enrdf_load_stackoverflow) 1972-10-24 1973-10-02
GB4844773A GB1443804A (en) 1972-10-24 1973-10-17 Web supply and splicing apparatus
AU61486/73A AU483838B2 (en) 1972-10-24 1973-10-17 web SUPPLY APPARATUS
DE19732352220 DE2352220A1 (de) 1972-10-24 1973-10-18 Zufuehrungsgeraet fuer bahnartiges material
FR7337471A FR2207496A5 (enrdf_load_stackoverflow) 1972-10-24 1973-10-19
BE136928A BE806354A (fr) 1972-10-24 1973-10-22 Appareil d'alimentation d'une matiere en bande avec decoupage et raccordement automatiques
CH1496373A CH574860A5 (enrdf_load_stackoverflow) 1972-10-24 1973-10-23
AR250663A AR200286A1 (es) 1972-10-24 1973-10-24 Aparato suministrador de lamina
BR8324/73A BR7308324D0 (pt) 1972-10-24 1973-10-24 Aparelho abastecedor de materia em tira larga continua
US05/687,260 USRE29365E (en) 1972-10-24 1976-05-17 Web supply apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US299713A US3858819A (en) 1972-10-24 1972-10-24 Web supply apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/687,260 Reissue USRE29365E (en) 1972-10-24 1976-05-17 Web supply apparatus

Publications (1)

Publication Number Publication Date
US3858819A true US3858819A (en) 1975-01-07

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Application Number Title Priority Date Filing Date
US299713A Expired - Lifetime US3858819A (en) 1972-10-24 1972-10-24 Web supply apparatus

Country Status (12)

Country Link
US (1) US3858819A (enrdf_load_stackoverflow)
JP (1) JPS572620B2 (enrdf_load_stackoverflow)
AR (1) AR200286A1 (enrdf_load_stackoverflow)
BE (1) BE806354A (enrdf_load_stackoverflow)
BR (1) BR7308324D0 (enrdf_load_stackoverflow)
CA (1) CA988842A (enrdf_load_stackoverflow)
CH (1) CH574860A5 (enrdf_load_stackoverflow)
DE (1) DE2352220A1 (enrdf_load_stackoverflow)
FR (1) FR2207496A5 (enrdf_load_stackoverflow)
GB (1) GB1443804A (enrdf_load_stackoverflow)
IT (1) IT994664B (enrdf_load_stackoverflow)
NL (1) NL7313521A (enrdf_load_stackoverflow)

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US4021002A (en) * 1975-06-23 1977-05-03 Butler Automatic, Inc. Auto-splice system
US4042983A (en) * 1976-05-26 1977-08-23 Beatrice Foods Co. Drain assembly for sinks and the like
US4067760A (en) * 1976-03-24 1978-01-10 General Foods Corporation Gate control for printed web scanner
US4116399A (en) * 1976-06-16 1978-09-26 Bhs-Bayerische Berg-, Hutten- Und Salzwerke Aktiengesellschaft Device for automatically detecting the end of a web and splicing a new web thereto
US4170506A (en) * 1976-03-22 1979-10-09 Marquip, Inc. Method of web splicing
US4219378A (en) * 1979-04-16 1980-08-26 Marquip, Inc. Web splicing
US4392912A (en) * 1980-04-15 1983-07-12 Molins Limited Bobbin changer for joining successive reels of web of the cigarette industry
US4455190A (en) * 1983-04-20 1984-06-19 Butler Automatic Inc. Web splicer
US4881695A (en) * 1987-07-17 1989-11-21 J.M. Voith Gmbh Unwinding apparatus for paper or board web rolls
US4995936A (en) * 1989-07-27 1991-02-26 Robert Cohn Continuous web splicing machine
US5252170A (en) * 1991-07-11 1993-10-12 Shibuya International, Inc. Web splicing apparatus
US5314568A (en) * 1993-06-30 1994-05-24 Compensating Tension Controls, Inc. Splice assembly for paper web transport apparatus
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US5679195A (en) * 1995-09-01 1997-10-21 John O'dwyer Web splicing apparatus
US5853141A (en) * 1996-02-28 1998-12-29 Heiber; Wolfgang Method and apparatus for automatically exchanging foil rolls, particularly in the manufacture of folding boxes with foil windows
US6027591A (en) * 1996-09-16 2000-02-22 United Container Machinery, Inc. Single face splicer and method of using the same
US6059710A (en) * 1998-12-24 2000-05-09 Kimberly-Clark Worldwide, Inc. Process for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6074333A (en) * 1998-12-24 2000-06-13 Kimberly-Clark Worldwide, Inc. Machine for cutting discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6079661A (en) * 1998-12-18 2000-06-27 Paper Converting Machine Co. Automatic splicer for unwinder
US6165306A (en) * 1998-06-01 2000-12-26 Kimberly-Clark Worldwide, Inc. Process and apparatus for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
EP1127821A3 (en) * 2000-02-23 2003-01-08 Shikoku Kakoki Co., Ltd. Film roll connecting device and method
US20030052148A1 (en) * 1998-07-03 2003-03-20 Kimberly-Clark Worldwide, Inc. Controlling web tension, and accumulating lengths of web, using a festoon
US20040016213A1 (en) * 2002-07-26 2004-01-29 T.M.C. S.P.A. Method for stopping and starting an automatic machine for collectively wrapping products, especially rolls of toilet or kitchen paper
US6719240B2 (en) 2001-11-13 2004-04-13 Kimberly-Clark Worldwide, Inc. System and method for unwinding tissue webs
US6722606B2 (en) 2001-11-13 2004-04-20 Kimberly-Clark Worldwide, Inc. System and method for simultaneously unwinding multiple rolls of material
US20040084133A1 (en) * 2002-09-25 2004-05-06 Fosber S.P.A. Splicing device for splicing two web materials together, unwinder comprising said slicing device and relative method
US6817566B2 (en) 2002-10-30 2004-11-16 Butler Automatic, Inc. Web splicer
US6820837B2 (en) 2002-12-20 2004-11-23 Kimberly-Clark Worldwide, Inc. Unwind system with flying-splice roll changing
US20050279461A1 (en) * 2004-06-18 2005-12-22 Fosber S.P.A. Splicing device to join together two web materials, unwinding device comprising said splicing device
US20100170978A1 (en) * 2008-04-24 2010-07-08 Bernard Muller Method and device for cutting and adhesion for an unrolling machine
DE102010008906A1 (de) 2009-02-24 2010-11-04 FOSBER S.p.A., Monsagrati Anlage zur Herstellung von Wellpappe
DE102010009741A1 (de) 2009-03-04 2011-01-05 FOSBER S.p.A., Monsagrati Anlage zur Herstellung von Wellpappe, Heizkreislauf mit Energierückgewinnung und zugehöriges Verfahren
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US20140021421A1 (en) * 2011-04-04 2014-01-23 Rolls-Royce Marine As Tensioning device
US20140116851A1 (en) * 2012-10-29 2014-05-01 Industrial Technology Research Institute Conveyor apparatus
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US9981821B2 (en) * 2015-02-19 2018-05-29 Tecnau S.R.L. Splicing equipment for strips wound on a pair of spools
US10000351B2 (en) * 2014-04-11 2018-06-19 Bhs Corrugated Maschinen-Und Anlagenbau Gmbh Splicer device
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CN110642053A (zh) * 2019-09-27 2020-01-03 常德烟草机械有限责任公司 一种接带不停机设备

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US3994449A (en) * 1975-06-23 1976-11-30 Butler Automatic, Inc. Auto-splice system
US4021002A (en) * 1975-06-23 1977-05-03 Butler Automatic, Inc. Auto-splice system
US3990647A (en) * 1975-06-23 1976-11-09 Butler Automatic, Inc. Web splice control system
US4170506A (en) * 1976-03-22 1979-10-09 Marquip, Inc. Method of web splicing
US4067760A (en) * 1976-03-24 1978-01-10 General Foods Corporation Gate control for printed web scanner
US4042983A (en) * 1976-05-26 1977-08-23 Beatrice Foods Co. Drain assembly for sinks and the like
US4116399A (en) * 1976-06-16 1978-09-26 Bhs-Bayerische Berg-, Hutten- Und Salzwerke Aktiengesellschaft Device for automatically detecting the end of a web and splicing a new web thereto
US4219378A (en) * 1979-04-16 1980-08-26 Marquip, Inc. Web splicing
US4392912A (en) * 1980-04-15 1983-07-12 Molins Limited Bobbin changer for joining successive reels of web of the cigarette industry
US4455190A (en) * 1983-04-20 1984-06-19 Butler Automatic Inc. Web splicer
US4881695A (en) * 1987-07-17 1989-11-21 J.M. Voith Gmbh Unwinding apparatus for paper or board web rolls
US4995936A (en) * 1989-07-27 1991-02-26 Robert Cohn Continuous web splicing machine
US5252170A (en) * 1991-07-11 1993-10-12 Shibuya International, Inc. Web splicing apparatus
US5314568A (en) * 1993-06-30 1994-05-24 Compensating Tension Controls, Inc. Splice assembly for paper web transport apparatus
WO1995034497A1 (en) * 1994-06-16 1995-12-21 Fabio Perini S.P.A. Device and method for the automatic exchange of reels of web material
US5730389A (en) * 1994-06-16 1998-03-24 Fabio Perini S.P.A. Device and method for the automatic exchange of reels of web material
US5679195A (en) * 1995-09-01 1997-10-21 John O'dwyer Web splicing apparatus
US5853141A (en) * 1996-02-28 1998-12-29 Heiber; Wolfgang Method and apparatus for automatically exchanging foil rolls, particularly in the manufacture of folding boxes with foil windows
US6027591A (en) * 1996-09-16 2000-02-22 United Container Machinery, Inc. Single face splicer and method of using the same
US6520236B1 (en) 1998-06-01 2003-02-18 Kimberly-Clark Worldwide, Inc. Process and apparatus for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6165306A (en) * 1998-06-01 2000-12-26 Kimberly-Clark Worldwide, Inc. Process and apparatus for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6527902B1 (en) 1998-06-01 2003-03-04 Kimberly-Clark Worldwide, Inc. Process and apparatus for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US20030052148A1 (en) * 1998-07-03 2003-03-20 Kimberly-Clark Worldwide, Inc. Controlling web tension, and accumulating lengths of web, using a festoon
US6856850B2 (en) * 1998-07-03 2005-02-15 Kimberly Clark Worldwide, Inc. Controlling web tension, and accumulating lengths of web, using a festoon
US6079661A (en) * 1998-12-18 2000-06-27 Paper Converting Machine Co. Automatic splicer for unwinder
US6074333A (en) * 1998-12-24 2000-06-13 Kimberly-Clark Worldwide, Inc. Machine for cutting discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6059710A (en) * 1998-12-24 2000-05-09 Kimberly-Clark Worldwide, Inc. Process for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
EP1127821A3 (en) * 2000-02-23 2003-01-08 Shikoku Kakoki Co., Ltd. Film roll connecting device and method
US6722606B2 (en) 2001-11-13 2004-04-20 Kimberly-Clark Worldwide, Inc. System and method for simultaneously unwinding multiple rolls of material
US6719240B2 (en) 2001-11-13 2004-04-13 Kimberly-Clark Worldwide, Inc. System and method for unwinding tissue webs
US20040016213A1 (en) * 2002-07-26 2004-01-29 T.M.C. S.P.A. Method for stopping and starting an automatic machine for collectively wrapping products, especially rolls of toilet or kitchen paper
US6688082B1 (en) * 2002-07-26 2004-02-10 T.M.C. S.P.A. Method for stopping and starting an automatic machine for collectively wrapping products, especially rolls of toilet or kitchen paper
US20040084133A1 (en) * 2002-09-25 2004-05-06 Fosber S.P.A. Splicing device for splicing two web materials together, unwinder comprising said slicing device and relative method
EP1422175A3 (en) * 2002-09-25 2005-02-02 FOSBER S.p.A. Splicing device for splicing two web materials together, unwinder comprising said splicing device and relative method
US6966961B2 (en) 2002-09-25 2005-11-22 Fosber, S.P.A. Splicing device for splicing two web materials together, unwinder comprising said splicing device and relative method
US6817566B2 (en) 2002-10-30 2004-11-16 Butler Automatic, Inc. Web splicer
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Also Published As

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AR200286A1 (es) 1974-10-31
GB1443804A (en) 1976-07-28
AU6148673A (en) 1975-04-17
JPS572620B2 (enrdf_load_stackoverflow) 1982-01-18
CH574860A5 (enrdf_load_stackoverflow) 1976-04-30
NL7313521A (enrdf_load_stackoverflow) 1974-04-26
JPS4973213A (enrdf_load_stackoverflow) 1974-07-15
BE806354A (fr) 1974-02-15
DE2352220A1 (de) 1974-05-02
IT994664B (it) 1975-10-20
CA988842A (en) 1976-05-11
FR2207496A5 (enrdf_load_stackoverflow) 1974-06-14
BR7308324D0 (pt) 1974-09-05

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