EP0095890B1 - Dispositif pour fabriquer des pièces de fenêtres - Google Patents

Dispositif pour fabriquer des pièces de fenêtres Download PDF

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Publication number
EP0095890B1
EP0095890B1 EP83303017A EP83303017A EP0095890B1 EP 0095890 B1 EP0095890 B1 EP 0095890B1 EP 83303017 A EP83303017 A EP 83303017A EP 83303017 A EP83303017 A EP 83303017A EP 0095890 B1 EP0095890 B1 EP 0095890B1
Authority
EP
European Patent Office
Prior art keywords
web
vacuum
roll
conveying surface
adhesive
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
Application number
EP83303017A
Other languages
German (de)
English (en)
Other versions
EP0095890A1 (fr
Inventor
Herbert W. Helm
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.)
FL Smithe Machine Co Inc
Original Assignee
FL Smithe Machine Co 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 FL Smithe Machine Co Inc filed Critical FL Smithe Machine Co Inc
Publication of EP0095890A1 publication Critical patent/EP0095890A1/fr
Application granted granted Critical
Publication of EP0095890B1 publication Critical patent/EP0095890B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/82—Forming or attaching windows

Definitions

  • This invention relates to apparatus for severing window patches from a web of patch material and more particularly to vacuum conveying apparatus for advancing a web of patch material with adhesive on one surface thereof along a linear path a preselected distance to apparatus for severing successive window patches for application around the periphery of the windows formed in envelope blanks or an envelope web.
  • a knife blade positioned on the periphery of a vacuum roll cooperates with an adjacent backing knife blade to sever a window patch from the web after the web has been transferred to the vacuum roll. Adhesive is then applied to the severed patch after it is released from the vacuum roll.
  • Adhesive is then applied to the severed patch after it is released from the vacuum roll.
  • United States Patents 3,410,162 and 3,745,893 adhesive is applied to the web of window patch material before the web is severed.
  • the web with adhesive applied thereto is transferred to a vacuum roll.
  • the web is then cut on the vacuum roll by the knife of a rotating cutter roll to form individual patches that adhere to the periphery of the vacuum roll.
  • the pregummed patches are then applied to the envelope blanks or envelope web.
  • the vacuum roll is covered with a porous screen or fabric to distribute the partial vacuum from the ports of the roll over a large portion of the surface of the vacuum roll.
  • the adhesive material is applied to the web of window patch material or to the severed window patch, it is preferred that the adhesive be permitted to preset prior to application to the envelope blank or web of envelope material. Presetting of the adhesive assures positive bonding between the window patch and the envelope blank or web. If the vacuum roll is positioned closely adjacent to the adhesive applicator, there may be insufficient time for the adhesive to preset before the web is severed and the patch applied to the envelope blanks, particularly for a high-speed patching operating.
  • apparatus for severing window patches from a web of patch material comprising means for applying adhesive to selected portions of one surface of the web of patch material, a pair of cooperating rolls for feeding the web to said means for applying adhesive, a vacuum roll engaging successive window patches with adhesive on one surface thereof, and severing means for cutting successive window patches of a preselected length from the web while the web is engaged to the surface of the vacuum roll (known from e.g.
  • a vacuum conveyor is positioned between said means for applying adhesive and said severing means, said vacuum conveyor being operable to advance the web with adhesive applied to selected portions of the web along a linear path from the means for applying adhesive toward said severing means, said vacuum conveyor having a receiving end portion positioned closely adjacent said means for applying adhesive and a discharging end portion spaced from said severing means, and said vacuum conveyor being arranged to push the web from said discharging end portion a preselected distance to said vacuum roll before the web is transferred to the vacuum roll and the window patches are cut.
  • the web receiving end portion of the conveyor is positioned closely adjacent to apparatus for applying adhesive to selected portions of one surface of web patch material.
  • a pull roll and an idler roll feed the web to the adhesive applicator.
  • the conveyor advances or pulls the web from the adhesive applicator toward the vacuum roll.
  • the web is maintained on the conveying surface formed by an upper run of the conveyor by the reduced pressure force applied through the porous conveying surface and the registered suction ports of the stationary and movable plates.
  • the size of the passageways formed by the registered ports through the plates in communication with the reduced pressure source is adjusted. In this manner, the magnitude of the reduced pressure force applied to the web to maintain the web in contact with the conveying surface can be increased or decreased as desired.
  • the discharging end portion of the vacuum conveyor is spaced a preselected distance from the vacuum roll and the window patch severing apparatus associated with the vacuum roll.
  • the web is pushed forwardly by the conveying action generated by the vacuum conveyor.
  • the web of patch material is conveyed a preselected distance from the point of adhesive application to the point where the web is severed to assure a desired presetting of the adhesive on the surface of the web while maintaining a preselected feed rate of the web.
  • FIG. 10 there is schematically illustrated a portion of an envelope making machine generally designated by the numeral 10 that includes a window patch severing apparatus generally designated by the numeral 12.
  • the window patch severing apparatus 12 includes a reel (not shown) for a web 14 of window patch material.
  • Patch transfer apparatus generally designated by the numeral 16 includes a vacuum roll 18 mounted on a shaft (not shown) conventionally supported in an envelope machine frame.
  • the vacuum roll 18 is conventionally in design and includes a series of rows of suction or vacuum ports that open onto a roll periphery 20.
  • the rows of vacuum ports are connected to longitudinally extending pasageways which are connected through suitable valve means to a vacuum pump or similar device to provide a partial vacuum or a reduced pressure at the suction ports when the suction ports are in preselected angular positions relative to the other components of the envelope machine.
  • Window patch severing apparatus generally designated by the numeral 22 is associated with the vacuum roll 18 and includes a knife blade 24 suitably mounted on the roll periphery 20. Positioned adjacent the vacuum roll 18 is a roll 26 with a backing knife blade 28 mounted thereon. The roll 26 is arranged to rotate at a preselected ratio with the vacuum roll 18 to sever successive selected lengths of window patch material from the web 14. Preferably the roll 26 rotates at the speed of the envelope machine drive shaft. With this arrangement the knife blades 24 and 28 are arranged to sever a window patch of a preselected length from the web 14 of patch material. The patch severing apparatus 12 is arranged to sever window patches of variable length while the envelope machine is running.
  • the web 14 of patch material is engaged on the surface of the vacuum roll 18, and a window patch P is severed therefrom.
  • the free window patch P with adhesive secured to the outer surface remains engaged on the roll periphery 20.
  • a web 30 of envelope blank material having windows cut out from the web 30 at spaced intervals along the length thereof is fed at a preselected rate around an idler roll 32 between the vacuum roll 18 and a back-up roll 34. With the window patch engaged to the vacuum roll 18, rotation of the vacuum roll transfers the patch P into overlying relation with the respective cut out window in the web 30 of envelope blank material.
  • window patch P adhesively engages the web 30 and is compressed by the rolls 18 and 34 onto one surface of the web 30.
  • the rolls 18 and 34 are in abutting relation with each other so as to adhesively secure the patch to the web 30 surrounding the periphery of a cut out window in the web 30.
  • the patch P can be applied to an envelope blank severed from the web 30 where the blank is conveyed between the vacuum roll 18 and the back-up roll 34.
  • the web 14 of window patch material is engaged by a pull roll 36 and an idler roll 38 and is fed by the rolls 36 and 38 around an idler roll 40.
  • the web 14 is threaded around the periphery of the idler roll 40 and between the rolls 36 and 38.
  • the pull roll 36 has a sprocket (not shown) secured thereto for rotation with an output shaft of a variable speed drive, such as a P.I.V. gear type variable speed drive well known in the art.
  • the output shaft of the web pull roll 36 is drivingly connected to the envelope machine drive shaft and is driven at a fixed ratio to the speed of the envelope machine drive shaft.
  • the speed of the pull roll 36 can be increased or decreased as desired to feed the web 14 at a preselected patch web speed.
  • the rolls 36 and 38 unwind the web 14 of window patch material from a roll and feed the web 14 beneath a deflector roll 42 to an adhesive applicator generally designated by the numeral 44.
  • the adhesive applicator 44 includes a roll 46 positioned adjacent to a reservoir of adhesive material or gum box 48.
  • the adhesive material is transferred from the reservoir 48 by roll 46 to an applicator roll 50 that applies the adhesive material to selected portions of the web 14 of window patch material in a well known manner.
  • the roll 46 is also driven by the P.I.V. variable speed gear drive at the patch web speed.
  • the applicator roll 50 is driven at a fraction of the speed of the envelope machine drive shaft, depending on the diameter of roll 50.
  • the web 14 of window patch material with adhesive applied to selected portions on one surface of the web is conveyed, in accordance with the present invention, by a vacuum conveyor generally designated by the numeral 52 from the adhesive applicator 44 to the vacuum roll 18 and the window patch severing apparatus 22.
  • the vacuum conveyor 52 is operable to advance the web 14 with adhesive applied thereto along a linear path, for example, a horizontal linear path as illustrated in Figure 1, for a preselected distance from the adhesive applicator 44 to the severing apparatus 22.
  • This arrangement permits the desired degree of presetting of the adhesive applied to the web 14 before the window patches are severed. This is particularly adaptable in high speed patch making operations and eliminates the problems normally encountered with vacuum roll transfer of the guumed web to the patch severing apparatus.
  • the web With vacuum roll transfer, the web is fed along an arcuate path and does not follow a linear path.
  • the distance between the applicator roll and the severing apparatus is insufficient to obtain the desired degree of presetting of the adhesive on the web 14 for high speed window patch making operations.
  • the vacuum conveyor 52 includes a continuous belt- type conveyor 54 having an upper run 56 and a lower run 58.
  • the upper and lower runs 56 and 58 are reeved at opposite ends around a driven roll 60 and an idler roll 62.
  • the driven roll 60 is preferably driven at the speed of the pull roll 36 and the adhesive transfer roll 46 by the P.I.V. variable speed drive.
  • the conveyor 54 may include, in one embodiment, a single porous conveyor belt or, as illustrated in Figure 2, a plurality of individual porous conveyor belts 54 reeved about the rolls 60 and 62 and positioned in spaced parallel relation below the web 14.
  • each conveyor 54 is fabricated of a suitable material having passages or apertures through which air is drawn downwardly through the upper conveyor run 56 immediately below the web 14.
  • a timing belt 61 extends around rolls 36 and 60 and idler roll 63.
  • the conveyor 54 has a web receiving end portion 64 and a web discharging end portion 66.
  • the web receiving end portion 64 is supported by the idler roll 62 closely adjacent to the adhesive applicator roll 50 so that the web 14, after being applied with adhesive material, is immediately transferred to the receiving end portion 64.
  • the web discharging end portion 66 is spaced a substantial distance from the vacuum roll 18 and is not positioned closely adjacent thereto.
  • the web 14 is pushed by the conveying action of the vacuum conveyor 54 from the discharging end portion 66 to the severing apparatus 22. This provides an increase in the web patch conveying distance from the point of applying adhesive on the web 14 to the point of severing window patches from the web 14.
  • the web 14 of window patch material is maintained in contact with a porous conveying surface 68 on the upper conveyor run 56 by the application of a reduced pressure force on the conveying surface 68.
  • the source of the reduced pressure force is a vacuum box generally designated by the numeral 70.
  • the vacuum box 70 includes a housing 72 having a preselected length whereby the drive roll 60 and the idler roll 62 are positioned adjacent the opposite ends of the housing 72. With this arrangement, the housing 72 is positioned between the conveyor upper and lower runs 56 and 58.
  • the housing 72 has a vacuum passageway 74 which is connected through suitable valve means (not shown) to a vacuum pump or similar device as utilized with the vacuum roll 18, to provide a partial vacuum at the upper conveying surface 68.
  • a stationary plate 76 is positioned at the top of the housing 72 above the vacuum passageway 74 and below the conveyor upper run 56.
  • the stationary plate 76 has a plurality of suction ports 78 therethrough.
  • the suction ports 78 are open to the vacuum passageway 74 of the vacuum box 70.
  • a movable plate 80 is positioned in overlying relation with the stationary plate 76.
  • the movable plate 80 is suitably supported for movement relative to the stationary plate 76.
  • the movable plate 80 also includes a plurality of suction ports 82.
  • the movable plate 80 is maneuvered in a horizontal plane to a position relative to the stationary plate 76 where the suction ports 78 and 82 are arranged in preselected registry to provide a plurality of continuous passageways extending from the vacuum passageway 74 through the plates 76 and 80 to the porous conveying surface 68.
  • the dimension of the passageways through the plates 76 and 80 for the application of reduced pressure on the conveying surface 68 is controlled. This, in turn, controls the magnitude of the reduced pressure force on conveyor surface 68.
  • the movable plate 80 is advanced to a preselected position where, for example, the ports 82 of the movable plate 80 are in complete alignment with the ports 78 of the stationary plate 76. This provides the maximum openings through the passageways of the overlying plates 76 and 80 and the maximum degree of reduced pressure applied to the conveying surface 68.
  • Adjusting the partial vacuum applied to the conveying surface 68 is selected as determined by the operating conditions of the envelope machine, for example, the envelope machine speed and the patch web speed. This permits lower vacuum pressures to be applied to the conveying surface 68 to maintain the web 14 in positive contact with the conveyor upper run 56 for all patch web speeds utilized.
  • the vacuum conveyor 54 pulls the web 14 from beneath the roll 50 onto the web receiving end portion 64 and over the surface 68 to the web discharging end portion 66. From the web discharging end portion 66, the web 14 is pushed by the conveying action generated by the conveyor 54 to the vacuum roll 18 and the severing apparatus 22.
  • the vacuum conveyor 52 to push the web 14 to the severing apparatus 22
  • an increase in the conveying distance from the point of adhesive application on the web 14 to the point of severing the web 14 is obtained. This permits the adhesive applied to the web 14 to preset before the web 14 is severed and the window patches P are applied to the envelope blank between the vacuum roll 18 and the back-up roll 34.

Landscapes

  • Advancing Webs (AREA)
  • Making Paper Articles (AREA)

Claims (6)

1. Appareil pour découper des pièces de fenêtres dans une bande de matériau pour pièces comprenant des moyens (50) pour l'application d'adhésif sur des parties choisies d'une surface de la bande (14) de matériau pour pièces, une paire de rouleaux coopérants (36, 38) pour l'amenée de la bande auxdits moyens (50) d'application d'adhésif, un rouleau aspirant (18) entrant en contact avec des pièces de fenêtres successives avec de l'adhésif sur une de leurs surfaces et des moyens de sectionnement (22) destinés à découper dans la bande des pièces de fenêtres successives de longueur préchoisie pendant que la bande est en contact avec la surface du rouleau aspirant, caractérisé en ce qu'un transporteur aspirant (52) est placé entre lesdits moyens (50) d'application d'adhésif et les moyens de sectionnement (22), ledit transporteur aspirant (52) étant apte à agir pour avancer la bande (14) revêtue d'adhésif sur des parties choisies le long d'un trajet rectiligne à partir des moyens (50) d'application d'adhésif vers lesdits moyens de sectionnement (22), ledit transporteur aspirant (52) comportant une partie extrême réceptrice (64) située tout près desdits moyens d'application d'adhésif et une partie extrême de déchargement (66) espacée desdits moyens de sectionnement (22), et ledit transporteur aspirant (52), étant agencé pour pousser la bande (14) à partir de ladite partie extrême de déchargement (66) sur une distance préchoisie jusqu'au dit rouleau aspirant (18) avant que la bande (14) soit transférée sur le rouleau aspirant (18) et que les éléments-fenêtres (R) soient découpés.
2. Appareil selon la revendication 1, dans lequel ledit transporteur aspirant (52) comporte une surface de transport poreuse (68) pour recevoir la bande (14) de matériau pour pièces, une source de dépression (72) pour appliquer une dépression à ladite surface de transport poreuse (68) pour maintenir la bande (14) de matériau pour pièces en contact avec ladite surface de transport (68) et faire avancer la bande (14) depuis ladite partie extrême réceptrice (64) jusqu'à ladite partie extrême de déchargement (68) et des moyens (80) pour régler la grandeur de la dépression appliquée à ladite surface de transport poreuse (68).
3. Appareil selon la revendication 2, dans lequel lesdits moyens (80) de réglage de la grandeur de la dépression comportent une plaque fixe (76) placée au-dessous de ladite surface de transport poreuse (68) et au-dessus de ladite source de dépression (72), cette plaque fixe (76) étant traversée par une série d'orifices d'aspiration (78), une plaque mobile (80) disposée au-dessus de ladite plaque fixe (76) et au-dessous de ladite surface de transport poreuse (68), cette plaque mobile (80) étant traversée par une série d'orifices d'aspiration (82), cette plaque mobile (80) étant placée de façon à se déplacer par rapport à ladite plaque fixe (76) pour amener ses propres orifices d'aspiration (82) en coincidence choisie avec lesdits orifices d'aspiration (78) de ladite plaque fixe (76) pour régler la grandeur de la dépression appliquée à ladite surface de transport poreuse (68).
4. Appareil selon l'une quelconque des revendications précédentes, dans lequel ledit transporteur aspirant (52) comprend une bande transporteuse (54) comportant un brin supérieur (56) et un brin inférieur (58), ledit brin supérieur (56) constituant une surface de transport destinée à recevoir la bande (14) de matériau pour pièces, des moyens (60) pour entraîner ladite bande transporteuse pour faire avancer la bande (14) de matériau pour pièces à une vitesse d'avance préchoisie sur ladite surface de transport de ladite partie extrême réceptrice (64) à ladite partie extrême de déchargement (66), et une source de dépression (70) engendrant la dépression appliquée à ladite surface de transport et comportant des moyens (80) pour régler la grandeur de la dépression appliquée à ladite surface de transport pour maintenir sur celle-ci la bande de matériau pour pièces.
5. Appareil selon l'une quelconque des revendications précédentes, dans lequel ladite partie extrême de déchargement est séparée par une distance rectiligne préchoisie desdits moyens de sectionnement (22) pour établir une distance accrue de transport de la bande (14) de matériau pour pièces depuis le point d'application d'adhésif à celle-ci jusqu'au point de découpage de pièces de fenêtres dans la bande et permettre par là un prédurcissement choisi de l'adhésif porté par la bande avant que celle-ci ne soit découpée.
6. Appareil selon la revendication 1, qui comporte des moyens (80) destinées à appliquer une dépression de grandeur préchoisie à la surface dudit transporteur aspirant pour maintenir la bande de matériau pour pièces en contact avec la surface de façon que la bande de matériau pour pièces soit amenée desdits moyens d'application d'adhésif auxdits moyens de sectionnement à une vitesse d'amenée préchoisie.
EP83303017A 1982-05-28 1983-05-25 Dispositif pour fabriquer des pièces de fenêtres Expired EP0095890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38311782A 1982-05-28 1982-05-28
US383117 1982-05-28

Publications (2)

Publication Number Publication Date
EP0095890A1 EP0095890A1 (fr) 1983-12-07
EP0095890B1 true EP0095890B1 (fr) 1986-09-03

Family

ID=23511793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83303017A Expired EP0095890B1 (fr) 1982-05-28 1983-05-25 Dispositif pour fabriquer des pièces de fenêtres

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Country Link
EP (1) EP0095890B1 (fr)
DE (1) DE3365835D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002544A1 (de) * 2000-01-21 2001-07-26 Winkler & Duennebier Ag Fensteraufklebestation
DE10357795A1 (de) * 2003-12-10 2005-07-14 WINKLER + DüNNEBIER AG Verwendung einer Vorrichtung zum Schneiden einer Materialbahn sowie Vorrichtung zum Gebrauch im Rahmen der Verwendung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290533B (en) * 1991-08-01 1996-02-28 Molins Plc Wrapping articles
IT1262969B (it) * 1991-08-01 1996-07-23 Molins Plc Procedimento per realizzare un involucro per oggetti, in particolare sigarette, e macchina per realizzare tali involucri.
DE10002543A1 (de) * 2000-01-21 2001-07-26 Winkler & Duennebier Ag Verfahren und Vorrichtung zum Herstellen von Versandbeuteln einschließlich von Briefumschlägen
US6409332B1 (en) * 2000-02-28 2002-06-25 Hewlett-Packard Company Low flow vacuum platen for ink-jet hard copy apparatus
DE10024298C2 (de) 2000-05-17 2002-04-25 Winkler & Duennebier Ag Vorrichtung zum Transport von Briefhüllenzuschnitten in einer Briefhüllenherstellungsmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431830A (en) * 1967-07-25 1969-03-11 Smithe Machine Co Inc F L Envelope patch cutting and collating apparatus
US3745893A (en) * 1971-08-26 1973-07-17 Smithe Machine Co Inc F L Apparatus for applying patches to envelope blanks
CH576344A5 (en) * 1974-04-30 1976-06-15 Champion Int Corp Window film adhesion to envelope sheet - or paper roll, using transparent polyethylene terephthalate film
US4061527A (en) * 1977-04-12 1977-12-06 Moore Business Forms, Inc. Apparatus for applying patches to a continuous web
AT370697B (de) * 1978-07-31 1983-04-25 Jagenberg Werke Ag Saugbremsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002544A1 (de) * 2000-01-21 2001-07-26 Winkler & Duennebier Ag Fensteraufklebestation
DE10357795A1 (de) * 2003-12-10 2005-07-14 WINKLER + DüNNEBIER AG Verwendung einer Vorrichtung zum Schneiden einer Materialbahn sowie Vorrichtung zum Gebrauch im Rahmen der Verwendung

Also Published As

Publication number Publication date
EP0095890A1 (fr) 1983-12-07
DE3365835D1 (en) 1986-10-09

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