US3658273A - Machine for rolling up flexible articles - Google Patents

Machine for rolling up flexible articles Download PDF

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Publication number
US3658273A
US3658273A US43698A US3658273DA US3658273A US 3658273 A US3658273 A US 3658273A US 43698 A US43698 A US 43698A US 3658273D A US3658273D A US 3658273DA US 3658273 A US3658273 A US 3658273A
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United States
Prior art keywords
spindle
roller means
machine
roller
rollers
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Expired - Lifetime
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US43698A
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English (en)
Inventor
Robert Chapuis
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Ruby Ets SA
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Ruby Ets SA
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Publication date
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Publication of US3658273A publication Critical patent/US3658273A/en
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • D01G27/02—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with lap-roll or the like loaded to provide firm packages
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging

Definitions

  • sanitary napkins now in use comprise layers of adsorbent materials such as cotton or cellulose pulp.
  • This invention relates to a machine for rolling such sanitary napkins up while confining them within a small volume without impairing their initial qualities of flexibility and adsorptive power, which they again possess immediately after being unwound.
  • the first pair of rollers is positioned substantially below the level of the spindle and may be kept in a position spaced from thatspindle or resiliently biased toward said spindle.
  • a table is positioned near the first pair of rollers at substantially the same level as that of the upper part of the rollers of the first pair when maintained in their position spaced from the spindle.
  • a stop is mounted on the other side of the first pair of rollers so as to be located opposite the space between the spindle and the first pair of rollers.
  • a second pair of rollers have their axes parallel to each other and to those of the spindle and are mounted on an arm which cooperates with means for moving the second pair of rollers between a position spaced from the spindle and a position substantially above the spindle in which the second pair of rollers may freely approach or depart from said spindle.
  • the machine according to the invention advantageously comprises ejector means for releasing the wound up napkin from the spindle and inserting it into its container.
  • the second pair of rollers is mounted at one end of an arm, the other end of which is pivotally attached to another lever which pivots about a fixed point and is actuated by a cam which longitudinally displaces said arm.
  • a roller situated on said arm between the pivot point and the second pair of rollers cooperates with an inclined ramp so that during the displacementof the arm the second pair of rollers rises into a position above the spindle.
  • the lever to which the end of the arm which supports the second pair of rollers is attached is actuated by a cam, the movement of which displaces the second pair of rollers at an opportune moment.
  • the first pair of rollers is mounted upon a supporting rod so as to be vertically slidable toward and away from the spindle, a first draw-spring being provided to constantly bias the first pair of rollers toward the spindle.
  • a lever having two arms and pivotally mounted toswing about a fixed point has the end of one arm resting on a member fixed to the supporting rod for the first pair of rollers.
  • This lever is actuated by a second draw-spring the strength of which is sufficient to overcome that of the first spring which tends to bring the first pair of rollers toward the spindle.
  • the other arm of this two armed lever is provided with a roller bearing against a cam which, in one position permits the second draw-spring to operate (thus maintaining'the second pair of rollers spaced from the spindle), and in another position permits the first draw-spring to operate, which resiliently repels the first pair of rollers in the direction of the spindle.
  • the first pair of rollers is kept in a position spaced from the spindle so that the upper part of the rollers of the first pair is substantially in alignment with the table which is to receive the napkin which is to be wound-up.
  • the end of a napkin is then introduced into the space between the spindle and the first pair of rollers, the end of the napkin being brought up against the stop and the napkin being then supported by the table.
  • the retaining means for the first pair of rollers is released so that these rollers are then urged upward to elastically grip the part of the napkin near its end between the spindle and the first pair of rollers.
  • the second pair of rollers is displaced, first in the direction of the spindle and then upwardly, so that the rollers reach a position above the spindle resting on the end of the napkin.
  • the second pair of rollers lowers the end of the napkin above the spindle and holds it in this position by the weight of the rollers and the members which support them or in response to any biasing means provided.
  • the spindle is then rotated in the direction which winds up the napkin from the end which is already engaged.
  • the napkin is then automatically rolled up about the spindle while being compressed by the first pair of rollers which is biased by the first draw-spring.
  • the force exerted by this spring may be adjusted to determine the degree of compression imparted to the napkin.
  • ejector means slides the napkin axially off the spindle and introduces it into the container in which it will be retained in the rolled-up state while compressed as has just been described.
  • the ejector means for the wound-up napkin consists of a flange encircling the spindle located at the base thereof during the winding up step. This flange is then displaced axially along the spindle to push the wound-up napkin off and introduce it into its contamer.
  • the container for example, a box, may be positioned by means such that a receiving cone into which the wound-up napkin enters is encountered during the displacement of the flange.
  • FIGS. 1, 2 3 and 4 each show a schematic sectional view of an embodiment of a machine according to the invention during four successive steps in its operation;
  • FIG. 5 is a schematic view from the top showing the operation of the ejector means.
  • the spindle 1 which in the instant case is a rod having a square cross-section, but which might have another non-circular section, such as a rectangular or triangular section so long as it is capable of frictionally entraining the napkin.
  • This spindle 1 is mounted on bearings at one end only, with the other end left free, and is fixed to a shaft which may be rotated in the direction of the arrow F.
  • the drawing also shows the first pair of rollers 2 which are mounted. as idlers on a support 3 which is attached to a rod 4 which slides vertically in the bearings 5 and 6, which are schematically shown. Means not shown on the drawings prevents rotation of the rod 4 with respect to the bearings so as to keep the axes of the rollers 2 parallel to the axis of the spindle l.
  • a first spring 7 inside the bearings 6 constantly biases the rod 4 to urge it upwardly.
  • a stop 8 fixed to a regulating screw 9 makes it possible to vary at will the force exerted by the spring 7 on the rod 4.
  • a lever having two arms 10 and 11 pivotally is mounted at 12 on the framework of the machine. The end of the arm 1 l is forkshaped and engages the two pins 13 fixed to the rod 4.
  • a second spring 14 is hooked at a fixed point 15 on the framework of the machine and acts on the arm 11 of the lever to draw it downwardly.
  • the strength of the spring 14 is such that when the lever 11 is free, the spring 7 is compressed and the rollers 2 are brought into their lower position, with the support 3 engaging the bearing 5.
  • the other arm of the lever 10 carries a roller 16 at its end. This roller cooperates with a cam 17. When the roller 16 engages the portion 17a of the cam the action of the spring 14 maintains the rollers 2 in the position shown in FIG. 1.
  • rollers 18 of the second pair which are mounted at one end of a forked arm 19, the other end of which is pivotally attached at 20 to one end of a T-shaped lever, which pivots about a fixed point 21 on the machine.
  • a roller 22 In the middle of the arm 19 is a roller 22 which rides on an inclined ramp 23 on the framework of the machine.
  • the arm 24a of the T-shaped lever is constantly drawn downward by a draw-spring 25, one end of which is connected at 26 to the framework of the machine.
  • the arm 24b diametrically opposite the pivot point 20, carries a roller 27, which engages a cam 28.
  • the arm 19 is mounted to swing freely about the pin 20, so that the assembly consisting of the rollers 18, the roller 22, and the arm 19 rests by its own weight either on the napkin, through the rollers 18, or on the ramp 23, through the roller 22.
  • the drawing also schematically shows table 29, the height of which may be regulated by the screw 30 which passes through oblong orifices 31 in a plate fixed to the table 29, so as to be positioned substantially at the level of the upper part of the rollers 2, when these rollers are in their lower position as shown in FIG. 1.
  • the drawings also schematically show the stop 32 which is located opposite the space between the spindle l and the upper part of the rollers 2. The position of this stop determines the length of the napkin which is engaged during introduction of the napkin between the spindle 1 and the rollers 2.
  • stop 32 is formed on the member which forms the ramp 23 but it is obvious that in another embodiment the stop 32 could be provided in any suitable manner.
  • the table and the stop are preferred, but not indispensable components of the invention. For instance, it would be possible to place and hold the napkin during the course of rolling up without utilizing the table and the stop, but this would be more inconvenient.
  • the drawing also shows a switch 33 the control roller 34 of which cooperates with a cam 35.
  • FIG. 5 is a top plan view of the machine which has just been described.
  • the spindle 1 is fastened to the shaft 36, which is itself connected to a motor for driving it.
  • the right end of the spindle l is unsupported.
  • FIG. 5 also shows the forked end of the arm 19 which sup ports the rollers 18, as well as the roller 22 which rests on the ramp 23 to raise the rollers 18.
  • the table 29 is also shown.
  • This figure also schematically shows a flange 37 which encircles the spindle l and is supported by a sliding member 38 mounted in bearings 39.
  • the end of the member 38 is connected by a connecting rod 40 to the piston 41 of a pneumatic or hydraulic cylinder and biased by a spring 42.
  • FIG. 5 also shows in section a napkin 43 which is wound-up on the spindle.
  • the side 44 of the machine which is located at the free end of the spindle 1, is provided with an opening 45 equipped with a funnel 46 which is slightly frusto-conical and admits the napkin 43 in the compressed state.
  • the figure also schematically shows a carton 47 for receiving the napkin 43.
  • the machine according to the invention also comprises other components of a conventional type which make it possible to carry out in the desired succession the various movements necessary to wind up the napkin.
  • cams such as the cam 17 and 28 which have been described (and which in the present case turn in the direction indicated by the arrows).
  • Analogous cams mounted on the same shaft may also be used to control different switches for completing electrical circuits necessary to carry out various operations.
  • end of the napkin 43 tends to rise up because of the compression and also because of the fact that the napkin is gripped between the spindle and the two rollers on opposite sides of the spindle.
  • a cam not shown in the drawings (but which may be, for example, attached to the shaft which drives the cam 17 and 28) begins to rotate the spindle l in the direction of the arrow, that is to say, in the direction which tends to wind up the napkin about the spindle.
  • the napkin then slides on the table 29 and rolls-up around the spindle while being compressed by the spring 7.
  • the degree of compression of the napkin may then be determined by acting on the adjusting means 8 which varies the force exerted by the spring 7.
  • the contact 33 stops the spindle.
  • the function of the contact 33 is to insure that the napkin, when in the wound-up state, has a minimum diameter, before permitting its passage to the following step.
  • the next operation consists in returning the different components of the machine to the position shown in FIG. 1.
  • rollers 2 could be rotated at the same time as the spindle l and that this might facilitate the winding up process.
  • rollers 18 This is also true of the rollers 18, although rotary action of these rollers has a less important effect upon the winding up process.
  • the movements of the various members may also be brought about in different ways. While, in the embodiment described, the spindle remains in a fixed position while the rollers move toward and away from the spindle, it is obvious that a machine could be devised in which the rollers are kept in a stationary position and the spindle moved toward and away from the rollers.
  • rollers 18 may be mounted on a support other than the arm 19 which has been described, the essential condition being that the rollers 18 be capable of raising the end of the napkin on the spindle so as to assure its being held during the winding up process.
  • the two rollers 18 might be replaced by an assembly comprising a different number of rollers, that is to say either by a single roller of larger diameter or by an assembly of more than two rollers.
  • the winding up could be carried out by using a group of three rollers instead of a pair, as is the case of the device which has been described.
  • Machine for winding up a soft, flexible article which comprises in combination a rotatably-mounted spindle of non-circular section, first roller means mounted at one side of said spindle to turn about an axis parallel to said spindle, pressure means for resiliently urging one of said spindle and first roller means toward the other, second roller means mounted at a second side of said spindle to turn about an axis parallel to said spindle and lying in a plane transverse to a plane containing the axis of said spindle and passing through said first roller means, and means for moving said second roller means first toward the center of said spindle and then around said spindle to the opposite side thereof from said first roller means, thereby bending about said spindle an article gripped between said first roller means and said spindle.
  • said means for moving said second roller means comprises an arm mounted for longitudinal displacement and carrying at one end said second roller means, third roller means carried by said arm, and a stationary ramp on which said third roller means rides, and by which said arm is guided when moving said second roller means around said spindle.
  • Machine as claimed in claim 2 comprising a pivotally mounted lever to which the end of said arm remote from said second roller means is pivotally attached, and comprising a rotating cam which swings said lever and thereby moves said arm longitudinally.
  • Machine as claimed in claim 1 comprising first spring means biassing said first roller means toward said spindle,
  • Machine as claimed in claim 1 comprising a table adjacent the gap between said spindle and said first roller means for supporting an article gripped therebetween.
  • Machine as claimed in claim 5 comprising a stop adjacent the gap between said spindle and said first roller means on the opposite side thereof from said table.
  • Machine as claimed in claim 1 comprising an ejector means for removing an article which has been wound-up on said spindle.
  • said ejector means comprises a flange encircling said spindle and means for reciprocating said flange longitudinally of said spindle.
  • Machine as claimed in claim 8 comprising a frusto-conical guide adjacent one end of said spindle and positioned to receive a wound-up article ejected from said spindle by said ejector means.
  • Machine as claimed in claim 1 in which said spindle is mounted for rotational movement only and said pressure means urges said first roller means toward said spindle, against the resistance of said article when gripped between said roller means and spindle, said machine comprising a control switch connected to control the rotation of said spindle and cam means responsive to the position of said first roller means connected to open and close said switch as said first roller means moves forward and away from said spindle, in dependence on the thickness of the coils of said article.
  • Machine as claimed in claim 1 in which at least said first roller means comprises a pair of rollers mounted on a common support to rotate about parallel axes.
  • each of said roller means comprises a pair of rollers mounted on a common support to rotate about parallel axes.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)
US43698A 1969-06-11 1970-06-05 Machine for rolling up flexible articles Expired - Lifetime US3658273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6919376A FR2049494A5 (de) 1969-06-11 1969-06-11

Publications (1)

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US3658273A true US3658273A (en) 1972-04-25

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US43698A Expired - Lifetime US3658273A (en) 1969-06-11 1970-06-05 Machine for rolling up flexible articles

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US (1) US3658273A (de)
BE (1) BE751751A (de)
CA (1) CA918113A (de)
CH (1) CH523834A (de)
DE (1) DE2028647A1 (de)
FR (1) FR2049494A5 (de)
GB (1) GB1309287A (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365767A (en) * 1981-02-02 1982-12-28 Benthimere Floyd D Apparatus for laminating and coiling insulation blankets
US4453368A (en) * 1981-07-24 1984-06-12 Campbell Soup Company Method and apparatus for automatically packing elongated food articles in controlled positions and orientations
US4565337A (en) * 1983-10-12 1986-01-21 Rieter Machine Works Limited Method and apparatus for forming a lap
US5934041A (en) * 1996-07-23 1999-08-10 Fillmatic Polsterindustrie Maschinen Gmbh Apparatus for packaging of mattresses
US6098378A (en) * 1998-10-02 2000-08-08 Wyatt; Curtis Method of packaging a single mattress to a small size to be conveniently carried
WO2001092108A1 (en) * 2000-05-31 2001-12-06 Certainteed Corporation Apparatus and method for bagging an item
US6606839B1 (en) 2000-07-17 2003-08-19 Certainteed Corporation Method for packaging an elongated item
US6739107B1 (en) * 2001-02-28 2004-05-25 Paramount Bedding, Inc. Method and apparatus for compressing a mattress with an inner coil spring
US20080128295A1 (en) * 2003-03-04 2008-06-05 Diaperoos, Llc Package having vacuum packed absorbent article and methods thereof
US20080134639A1 (en) * 2000-04-26 2008-06-12 Nadia Corlett Vacuum-packaged diaper apparatus and methods
US20080142389A1 (en) * 2003-03-04 2008-06-19 Diaperoos, Llc Package having vacuum packed absorbent article and methods thereof
CN110257966A (zh) * 2019-07-10 2019-09-20 浙江联鸿纤维科技股份有限公司 一种梳棉机的收卷辊自动加压机构
CZ309273B6 (cs) * 2020-12-30 2022-07-13 Asipo s.r.o Zařízení pro výrobu rohoží z rostlinných materiálů

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250255A (en) * 1990-11-23 1992-06-03 Albert Martin & Co Limited Winding-up and cartonning foldable articles
DE29613350U1 (de) * 1996-08-05 1997-12-04 Beloit Technologies, Inc., Wilmington, Del. Belastungswalzenanordnung
CN108532039A (zh) * 2018-06-15 2018-09-14 江苏琴瑟家纺有限公司 一种带有张力调节及导向作用的梳棉机收卷装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594925A (en) * 1950-08-08 1952-04-29 Robert J Higginbotham Braking mechanism for lap winding apparatus
US2881984A (en) * 1956-10-09 1959-04-14 Charles P Dyken Rolling machine
US3245625A (en) * 1963-12-16 1966-04-12 Quinn Johnny Lap doffing apparatus
US3425641A (en) * 1965-10-25 1969-02-04 Comp Generale Electricite Capacitor winding apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594925A (en) * 1950-08-08 1952-04-29 Robert J Higginbotham Braking mechanism for lap winding apparatus
US2881984A (en) * 1956-10-09 1959-04-14 Charles P Dyken Rolling machine
US3245625A (en) * 1963-12-16 1966-04-12 Quinn Johnny Lap doffing apparatus
US3425641A (en) * 1965-10-25 1969-02-04 Comp Generale Electricite Capacitor winding apparatus

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365767A (en) * 1981-02-02 1982-12-28 Benthimere Floyd D Apparatus for laminating and coiling insulation blankets
US4453368A (en) * 1981-07-24 1984-06-12 Campbell Soup Company Method and apparatus for automatically packing elongated food articles in controlled positions and orientations
US4565337A (en) * 1983-10-12 1986-01-21 Rieter Machine Works Limited Method and apparatus for forming a lap
US5934041A (en) * 1996-07-23 1999-08-10 Fillmatic Polsterindustrie Maschinen Gmbh Apparatus for packaging of mattresses
US6098378A (en) * 1998-10-02 2000-08-08 Wyatt; Curtis Method of packaging a single mattress to a small size to be conveniently carried
US20080134639A1 (en) * 2000-04-26 2008-06-12 Nadia Corlett Vacuum-packaged diaper apparatus and methods
US6983578B1 (en) 2000-05-31 2006-01-10 Certainteed Corporation Apparatus and method for bagging an item
WO2001092108A1 (en) * 2000-05-31 2001-12-06 Certainteed Corporation Apparatus and method for bagging an item
US6606839B1 (en) 2000-07-17 2003-08-19 Certainteed Corporation Method for packaging an elongated item
US6739107B1 (en) * 2001-02-28 2004-05-25 Paramount Bedding, Inc. Method and apparatus for compressing a mattress with an inner coil spring
US20080128295A1 (en) * 2003-03-04 2008-06-05 Diaperoos, Llc Package having vacuum packed absorbent article and methods thereof
US20080142389A1 (en) * 2003-03-04 2008-06-19 Diaperoos, Llc Package having vacuum packed absorbent article and methods thereof
US7770733B2 (en) 2003-03-04 2010-08-10 Diaperoos, Llc Pocket-sized vacuum-packed diapers
US7779610B2 (en) 2003-03-04 2010-08-24 Diaperoos, Llc Method of vacuum packaging a single use disposable diaper
CN110257966A (zh) * 2019-07-10 2019-09-20 浙江联鸿纤维科技股份有限公司 一种梳棉机的收卷辊自动加压机构
CN110257966B (zh) * 2019-07-10 2021-08-17 浙江联鸿纤维科技股份有限公司 一种梳棉机的收卷辊自动加压机构
CZ309273B6 (cs) * 2020-12-30 2022-07-13 Asipo s.r.o Zařízení pro výrobu rohoží z rostlinných materiálů

Also Published As

Publication number Publication date
FR2049494A5 (de) 1971-03-26
GB1309287A (en) 1973-03-07
CA918113A (en) 1973-01-02
DE2028647A1 (de) 1970-12-17
CH523834A (fr) 1972-06-15
BE751751A (fr) 1970-12-10

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