US2821387A - Methods and apparatus for varying web sidelay - Google Patents
Methods and apparatus for varying web sidelay Download PDFInfo
- Publication number
- US2821387A US2821387A US424907A US42490754A US2821387A US 2821387 A US2821387 A US 2821387A US 424907 A US424907 A US 424907A US 42490754 A US42490754 A US 42490754A US 2821387 A US2821387 A US 2821387A
- Authority
- US
- United States
- Prior art keywords
- web
- sidelay
- rolls
- axis
- methods
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
-
- 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
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/31—Features of transport path
- B65H2301/311—Features of transport path for transport path in plane of handled material, e.g. geometry
- B65H2301/3112—S-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/15—Roller assembly, particular roller arrangement
- B65H2404/152—Arrangement of roller on a movable frame
- B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
- B65H2404/15212—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis
Definitions
- This invention relates to web guiding. methods and apparatus and, more particularly, pertains to methods and apparatus for permitting sidelay correction of moving webs.
- Figure 1 is a plan view of sidelay control apparatus constructed in accordance with the present invention.
- Figure 2 is a view in elevation of the apparatus shown in Figure 1;
- Figure 3 is a schematic diagram illustrating the manner in which a web is threaded through the rolls of Figure 1;
- Figure 4 is an enlarged transverse section of apparatus according to the present invention taken on the line 4-4 of Figure 2 looking in the direction of the arrows;
- Figure 5 is a further sectional view taken on the view line 5-5 of Figure 2 looking in the direction of the QU'QWS.
- a bar 20 having a U-shaped member 21 integral with the free end thereof is joined to the frame locked at any desired point.
- a screw follower 29 having pins 34 and 34a extending therefrom engaging the U-shaped member 21 on the bar 20 ( Figure 5).
- a web 30 is fed to the rolls 10 and 11, as shown in Figure 3, with web leads 31 and 32 being as long as possible. It is necessary for the web 30 to approach to and recede from the sidelay apparatus at exactly right angles to a web lead 33 between the rolls 10 and 11 for proper operation of the device.
- the handle 26 is next adjusted to provide the necessary change in sidelay, shown in Figure 1. Due to the center pivoting of the frame 12 at the point 16 and the angle the approaching and the receding web leads 31 and 32 make with the web lead 33, the web 30 will be steered sidewise, as shown in Figures 1 and 2, without increasing the tension on the web at one edge as against the tension at the other edge. In other words, the web tension remains equalized between both side edges of the web. This has two advantages. First, it minimizes stress concentration and the resulting danger of web breaks.
- a method for varying the sidelay of a moving web comprising the steps of passing the web through two parallehrolls' infixed relatiofrorropposite sides thereof and the direetionof movemenfof "the-web? and” maintaining equaltension at-bothed ges of thefweb during tlfeswing-l" ingmovemenrofthe rolls by steeringTh'e web"'aiouni1" 21'
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
mamoos AND APPARATUS FOR wmvmc was SIDELAY Filed April 22, 1954 H. W. FAEBER Jan. 28, 1958 2 Sheets-Sheet 1 SIDELRY INVENTOR.
- HARRY W FAEBEF? BY v H oreNEYg.
If 3.. 3 T1 Jan. 28, 1958 H. w. FAEBER METHODS AND APPARATUS FOR VARYING WEB SIDELAY 2 Sheets-Sheet 2 Filed April 22, 1954 INVENTOR. HARRY W. FAEBER ATT ENEYS United States Patent METHODS AND APPARATUS FOR VARYING WEB SIDELAY Harry W. Faeber, Larchmont, N. Y., assignor to Time, gncoli'porated, New York, N. Y., a corporation of New Application April 22, 1954, Serial No. 424,907
3 Claims. (Cl. 271-26) This invention relates to web guiding. methods and apparatus and, more particularly, pertains to methods and apparatus for permitting sidelay correction of moving webs.
In the process of printing, it is often necessary to change the sidelay of the webs in order to guide them to various rolls in a proper path. Formerly, such sidelay correction was provided by a single roll or by a pair of rolls individually pivoted about an axis extending through one end thereof at right angles to the axis of rotation of the roll. Due to the disposition of the web on these rolls, movement of each roll about this latter axis resulted in a change of sidelay because of the increase in tension on one side of the web, which tends to climb or slide towards the high tension side just like a machine belt. Due to uneven tension, the web is liable to wrinkle and may even break if the rate of adjustment is too fast. Also, since change of sidelay is produced by increasing the tension on one side, the web continues to creep towards the high tension side as long as such increased tension remains in effect, i. e., as long as the roll is kept in the tilted position. This results in erratic over-correction.
Accordingly, it is an object of the present invention to provide apparatus for sidelay correction of a moving web lacking the above recited disadvantages.
It is another object of the invention to provide a change in the sidelay of a moving web by the adjustment of a simple screw mechanism for varying the angular disposition of two pivoted rolls.
These and further objects of the invention are accomplished by providing a pair of rolls, fixed relative to each other, and pivoted on an axis centrally disposed with respect to such rolls. A web lead approaching the device is 90 removed from the web lead between the rolls and a receding web lead is also 90 removed from the web lead between the rolls, resulting in a par allel relation between the approaching and receding web leads which travel in a common direction. Means are provided for swinging the rolls about the axis in order to secure a desired sidelay correction of the web.
These and further objects and advantages of the invention will be more readily understood when the following description is read in connection with the accompany drawings in which:
Figure 1 is a plan view of sidelay control apparatus constructed in accordance with the present invention;
Figure 2 is a view in elevation of the apparatus shown in Figure 1;
Figure 3 is a schematic diagram illustrating the manner in which a web is threaded through the rolls of Figure 1;
Figure 4 is an enlarged transverse section of apparatus according to the present invention taken on the line 4-4 of Figure 2 looking in the direction of the arrows; and
Figure 5 is a further sectional view taken on the view line 5-5 of Figure 2 looking in the direction of the QU'QWS.
2,821,387 Patented Jan. 28, 1958 Describing the invention in detail with particular reference to Figures 1, 2, 4 and 5, two rolls 10 and 11 are journaled in a frame 12 consisting of a cross beam 13 joining two journal blocks 14 and 15. The beam 13 is pivoted at its center point 16 by a stud 16a, a nut 16b and a spacer 160 (Figure 4) on a cross member 17, joined at both extremities to supporting members 18 and 19 of a press frame (not shown).
In order to provide for rotation of the frame 12 about the pivot 16, a bar 20 having a U-shaped member 21 integral with the free end thereof is joined to the frame locked at any desired point. Also carried by the screw 25 is a screw follower 29 having pins 34 and 34a extending therefrom engaging the U-shaped member 21 on the bar 20 (Figure 5).
In a typical operation of the invention, a web 30 is fed to the rolls 10 and 11, as shown in Figure 3, with web leads 31 and 32 being as long as possible. It is necessary for the web 30 to approach to and recede from the sidelay apparatus at exactly right angles to a web lead 33 between the rolls 10 and 11 for proper operation of the device.
The handle 26 is next adjusted to provide the necessary change in sidelay, shown in Figure 1. Due to the center pivoting of the frame 12 at the point 16 and the angle the approaching and the receding web leads 31 and 32 make with the web lead 33, the web 30 will be steered sidewise, as shown in Figures 1 and 2, without increasing the tension on the web at one edge as against the tension at the other edge. In other words, the web tension remains equalized between both side edges of the web. This has two advantages. First, it minimizes stress concentration and the resulting danger of web breaks. Second, it avoids over correction of sidelay, which is one of the most serious drawbacks of sidelay devices using the principle of increasing the tension at one edge of the web and thus causing the web to creep sidewise in that direction due to the well-known tendency of belts and other web-like materials to climb towards the high side.
True steering is provided, since the web lead 33 between the rolls 10 and 11 assumes an angular position with respect to the web 30. This guides the web 30 to the new desired sidelay position. Also, since the web leads 31 and 32 are at right angles to the web lead 33, it is clear from the geometry of the arrangement that the web 30 is not forced to slide sideways but follows a true circular path around the rolls 10 and 11. Furthermore, due to the simultaneous movement of both of the rolls 10 and 11 about the center point 16, the tension on either side of the web 30 remains identical regardless of the angular position of the frame 12.
It will, of course, be understood that the above described embodiment of the invention is illustrative only and modification thereof will occur to those skilled in the art. For example, the screw adjusting mechanism for the arm 20 may be replaced by other equivalent means such as a hydraulic piston or a positioning servo mechanism. Therefore, the invention is not to be limited to the specific apparatus disclosed herein but is to be defined by the appended claims.
I claim:
1. A method for varying the sidelay of a moving web comprising the steps of passing the web through two parallehrolls' infixed relatiofrorropposite sides thereof and the direetionof movemenfof "the-web? and" maintaining equaltension at-bothed ges of thefweb during tlfeswing-l" ingmovemenrofthe rolls by steeringTh'e web"'aiouni1" 21' A"method for varying'the sidelay'ofa moving web comprising the steps of providing a"pair'"ofparallelrolls" rotatably-- mountedin" a frame ""cen'trally pivoted for movement about'an 'axis perpendicular to said*roll,feed:- eng the 'web to said rollsfwitl'r' the approaching'faird re ceding=web leadsperpendicular' to th'e"web"leafl between the rolls and parallel to' said axis, 'an'gnla'r'ly movingthe frame througha "desired angle aboutsaid axis "for moving theweb sidewis eg and maintaining" equal tension at both edges "of theweb 'duringangulaifmovenienfof the frame by steering the web "around-the rolls to new position? 3. Apparatusto-vary'the sidelay of a moving "web" comprising a pair of parallel rolls of equal diameter, a
framerotataulysupporting the rolls anrember "pivbtallv" supporting said frame for angular movement about a first axis equidistant from the axes of said rolls, means to move said frame angularly on the pivot member about said first axis, the axes of the rolls respectively lying in two parallel planes each perpendicular to the first axis and displae'ed from each othen alongjzthe first-axis a distance equal to the diameter bfl'said 'rolls}' the rolls adapted to receive; the web on opposite sides thereof with the appreaching and receding 'webf1ads' -being parallel -to the first axis, whrebv'the w'eb lead'between the rolls will be perpendicular to the approaching and receding web leads and angularrnoven-lent- 0E thefrar'neon the pivot member about the first axis --will steer=the web as'it-travels around the rolls to a new sidelay position with equal tension on both sides thereof.
Dickhaut July 5, 1927
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US424907A US2821387A (en) | 1954-04-22 | 1954-04-22 | Methods and apparatus for varying web sidelay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US424907A US2821387A (en) | 1954-04-22 | 1954-04-22 | Methods and apparatus for varying web sidelay |
Publications (1)
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US2821387A true US2821387A (en) | 1958-01-28 |
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Family Applications (1)
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US424907A Expired - Lifetime US2821387A (en) | 1954-04-22 | 1954-04-22 | Methods and apparatus for varying web sidelay |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3095131A (en) * | 1959-07-06 | 1963-06-25 | Mount Hope Machinery Ltd | Web guiding method and apparatus |
US3282487A (en) * | 1964-07-27 | 1966-11-01 | Eastman Kodak Co | Web aligning device |
DE1230641B (en) * | 1965-06-05 | 1966-12-15 | Basf Ag | Arrangement for correcting the lateral movement of webs |
FR2362782A1 (en) * | 1976-08-24 | 1978-03-24 | Siemens Ag | DEVICE FOR ADJUSTING THE LATERAL POSITIONING OF A BELT ON A BELT CONVEYOR MACHINE |
US4421499A (en) * | 1979-10-15 | 1983-12-20 | Nordson Corporation | Tube forming shoe and method of forming a flexible web into a shoe |
US4477006A (en) * | 1983-03-03 | 1984-10-16 | Robert L. Fife | Offset pivot guiding assembly |
US4995541A (en) * | 1988-08-04 | 1991-02-26 | Maschinenfabrik Andritz Actiengesellschaft | Set of guide rolls for guiding, positioning and controlling motion of bands of material fed through the rolls |
EP0506390A1 (en) * | 1991-03-27 | 1992-09-30 | W.R. Grace & Co.-Conn. | Center pivot air turn web steering assembly |
US5327168A (en) * | 1991-04-24 | 1994-07-05 | Mutoh Industries Ltd. | Rolled sheet conveying apparatus of plotter and rolled sheet conveying route control method. |
DE10059004A1 (en) * | 2000-11-28 | 2002-07-25 | Nexpress Solutions Llc | Device for generating an offset of transported flexible flat material |
WO2002088011A2 (en) * | 2001-04-27 | 2002-11-07 | Baxter International Inc. | Web centering system |
DE10216419A1 (en) * | 2002-04-12 | 2003-10-30 | Kortec Gmbh Business Technolog | Device and method for correcting a flexible web of material guided to the processing machine |
US20040147384A1 (en) * | 2001-05-25 | 2004-07-29 | Christian Lenk | Device and method for folding a flexible material web |
US20050109811A1 (en) * | 2003-11-21 | 2005-05-26 | Swanson Ronald P. | Method and apparatus for controlling a moving web |
JP2008056422A (en) * | 2006-08-31 | 2008-03-13 | Kao Corp | Position change method of long material |
EP2489619A1 (en) * | 2011-02-16 | 2012-08-22 | Felix Waldner GmbH | Method for processing board or belt materials and device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1634984A (en) * | 1925-12-29 | 1927-07-05 | Charles A Dickhaut | Sheet straightener |
-
1954
- 1954-04-22 US US424907A patent/US2821387A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1634984A (en) * | 1925-12-29 | 1927-07-05 | Charles A Dickhaut | Sheet straightener |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3095131A (en) * | 1959-07-06 | 1963-06-25 | Mount Hope Machinery Ltd | Web guiding method and apparatus |
US3282487A (en) * | 1964-07-27 | 1966-11-01 | Eastman Kodak Co | Web aligning device |
DE1230641B (en) * | 1965-06-05 | 1966-12-15 | Basf Ag | Arrangement for correcting the lateral movement of webs |
FR2362782A1 (en) * | 1976-08-24 | 1978-03-24 | Siemens Ag | DEVICE FOR ADJUSTING THE LATERAL POSITIONING OF A BELT ON A BELT CONVEYOR MACHINE |
US4421499A (en) * | 1979-10-15 | 1983-12-20 | Nordson Corporation | Tube forming shoe and method of forming a flexible web into a shoe |
US4477006A (en) * | 1983-03-03 | 1984-10-16 | Robert L. Fife | Offset pivot guiding assembly |
US4995541A (en) * | 1988-08-04 | 1991-02-26 | Maschinenfabrik Andritz Actiengesellschaft | Set of guide rolls for guiding, positioning and controlling motion of bands of material fed through the rolls |
EP0506390A1 (en) * | 1991-03-27 | 1992-09-30 | W.R. Grace & Co.-Conn. | Center pivot air turn web steering assembly |
US5327168A (en) * | 1991-04-24 | 1994-07-05 | Mutoh Industries Ltd. | Rolled sheet conveying apparatus of plotter and rolled sheet conveying route control method. |
US6588746B2 (en) | 2000-11-28 | 2003-07-08 | Nexpress Solutions Llc | Device for generating an offset of transported flexible sheet material |
DE10059004A1 (en) * | 2000-11-28 | 2002-07-25 | Nexpress Solutions Llc | Device for generating an offset of transported flexible flat material |
EP1626021A2 (en) * | 2001-04-27 | 2006-02-15 | Baxter International Inc. | Web centering system |
WO2002088011A3 (en) * | 2001-04-27 | 2003-05-15 | Baxter Int | Web centering system |
EP1626021A3 (en) * | 2001-04-27 | 2006-03-01 | Baxter International Inc. | Web centering system |
WO2002088011A2 (en) * | 2001-04-27 | 2002-11-07 | Baxter International Inc. | Web centering system |
US20040147384A1 (en) * | 2001-05-25 | 2004-07-29 | Christian Lenk | Device and method for folding a flexible material web |
US6949060B2 (en) | 2001-05-25 | 2005-09-27 | Kortec Gmbh Business Technology | Device and method for folding a flexible material web |
US20050224548A1 (en) * | 2002-04-12 | 2005-10-13 | Roberto Rahn | Device and method for correcting a flexible material web guided to a processing machine |
DE10216419A1 (en) * | 2002-04-12 | 2003-10-30 | Kortec Gmbh Business Technolog | Device and method for correcting a flexible web of material guided to the processing machine |
DE10216419B4 (en) * | 2002-04-12 | 2006-07-13 | Saurer Gmbh & Co. Kg | Apparatus and method for correcting a guided to the processing machine flexible material web |
US7328568B2 (en) | 2002-04-12 | 2008-02-12 | Ttec Invest Ag | Device and method for correcting a flexible material web guided to a processing machine |
US20050109811A1 (en) * | 2003-11-21 | 2005-05-26 | Swanson Ronald P. | Method and apparatus for controlling a moving web |
US7296717B2 (en) | 2003-11-21 | 2007-11-20 | 3M Innovative Properties Company | Method and apparatus for controlling a moving web |
JP2008056422A (en) * | 2006-08-31 | 2008-03-13 | Kao Corp | Position change method of long material |
JP4587999B2 (en) * | 2006-08-31 | 2010-11-24 | 花王株式会社 | Absorbent article manufacturing method and manufacturing apparatus |
EP2489619A1 (en) * | 2011-02-16 | 2012-08-22 | Felix Waldner GmbH | Method for processing board or belt materials and device |
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