EP0571281A1 - Druckverschliessvorrichtung für Briefumschläge - Google Patents

Druckverschliessvorrichtung für Briefumschläge Download PDF

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Publication number
EP0571281A1
EP0571281A1 EP93401287A EP93401287A EP0571281A1 EP 0571281 A1 EP0571281 A1 EP 0571281A1 EP 93401287 A EP93401287 A EP 93401287A EP 93401287 A EP93401287 A EP 93401287A EP 0571281 A1 EP0571281 A1 EP 0571281A1
Authority
EP
European Patent Office
Prior art keywords
elements
pressure
machine
machine according
articles
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.)
Granted
Application number
EP93401287A
Other languages
English (en)
French (fr)
Other versions
EP0571281B1 (de
Inventor
André Zeller
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.)
Danel Ferry SA
Original Assignee
Danel Ferry SA
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 Danel Ferry SA filed Critical Danel Ferry SA
Publication of EP0571281A1 publication Critical patent/EP0571281A1/de
Application granted granted Critical
Publication of EP0571281B1 publication Critical patent/EP0571281B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M5/00—Devices for closing envelopes
    • B43M5/04—Devices for closing envelopes automatic
    • B43M5/047—Devices for closing envelopes automatic using pressure-sensitive adhesive

Definitions

  • the invention relates to a pressure sealing machine for correspondence articles.
  • each panel of the screen constituting an item of postal correspondence, sealed for manufacture, for example of the type commonly known by the English term "mailers", or to be sealed after folding, of the letter card or other type. such as simple prints.
  • thermo-adhesive means it is different for printers which generate heat and which are more and more widespread (laser printer or other).
  • the inventor has found an effective means which makes it possible in part to reduce the pressure necessary while ensuring excellent sealing and which also makes it possible to simplify the machine.
  • the invention provides a pressure sealing machine for correspondence articles provided with various zones coated with an adhesive substance sensitive to pressure, conventionally comprising at least one pair of pressing elements rotating in opposite directions and between which pass at least the areas to seal articles, applied against each other, but which is remarkable in that the drive of the pressing elements is arranged in such a way that their tangential speeds, at the place of their contact with the articles, are different so as to exert on said sealing zones a pressure combined with friction.
  • Such a machine may in particular thus have only one pair of pressing elements, but this is obviously in no way limiting.
  • the two elements of the pair of pressing elements are rotated but in such a way that their tangential peripheral speeds are different.
  • the pressing elements have identical diameters and are driven at different speeds of rotation or else the pressing elements have different diameters and are driven at identical or different speeds of rotation.
  • only one of the elements of the pair of pressing elements is motor, the other element being driven by the contact pressure, while the non-motor pressing element is further braked by a system.
  • the braking of the non-motor pressing element is, for example, obtained by an electromagnetic system.
  • each element of the pair of pressing elements is in the form of a cylinder.
  • each element of the pair of pressing elements is in the form of at least one roller providing free spaces so that these spaces do not transmit any pressure.
  • an embodiment according to the invention is remarkable in that it is combined with a similar machine arranged perpendicularly while a device for transferring from one to the other and for reference to 90 ° is provided to allow sealing in separate areas perpendicular to each other.
  • a machine according to the invention can of course be combined with other means and in particular with a device for feeding the articles and a folder arranged upstream of said machine in order to receive the folded articles to be sealed.
  • a motor is provided for driving in rotation at least one of the pressing elements, while itself is coupled to one of the rotating elements of the folder, this or another rotating element of the folder and a rotating element of the feed device also being coupled so that a single motor can drive the assembly.
  • FIG. 1 schematically shows a sealing machine 1 according to the invention, combined with a folding or folding device 2 and a feeding device 3 for the articles to be sealed.
  • the device 3 for supplying the articles can be of the sheet-by-sheet type or comprise a continuous supply combined with a breaker.
  • the folder 2 arranged between the feed device 3 and the sealing machine 1 is, for example, intended to make two or four pockets.
  • the sealing machine comprises a pair of pressing elements 4a and 4b mounted to rotate.
  • the pressing elements 4a, 4b are, for example, constituted by rollers or cylinders such as those shown in FIG. 2, or according to a variant, each of them can be constituted by at least one roller as in the embodiment pressing elements 4'a, 4'b and 5'a of Figures 3 and 4, for reasons which will be explained below.
  • a single cylinder (here 4b) is motor while the other cylinder 4a is mounted free in rotation so that they rotate in opposite directions.
  • the cylinder 4b is, for example, driven by means of a pulley 6 ( Figure 2) of which it is integral and which is engaged with a belt 7, itself driven by a motor 8 ( Figure 1).
  • One of the advantages of this structure is that it can drive the sealing machine 1, the folder 2 and the feed device 3 by the single motor 8.
  • one of the rotating elements of the folder for example the roller 9 of FIG. 1
  • the cylinder 4b for example here by means of a double intermediate pulley 10 and two belts 11 and 12 respectively engaged with said cylinder 4b and said roller 9, while the same rotating element of the folder, or another such as the roller 13, is engaged with a belt 14 and a rotating element 15 of the supply device 3.
  • Figure 2 shows a simple way to mount the cylinders 4a, 4b using rolling bearings (ball, needle or otherwise) 16, 16 'and 17, 17'.
  • the circuit of the articles to be sealed is provided so that these pass between the cylinders 4a and 4b and these are mounted so as to exert a certain contact pressure between them, possibly modifiable, for example by means of adjusting the 'center distance of said cylinders.
  • the cylinder 4a comprises a magnetic braking system 18 provided with two induction coils 19 and 20, the coil 19 being, for example, on the axis of the cylinder 4a and cooperating with the actual braking coil 20.
  • the braking system may also in some cases not be used.
  • the two cylinders can be motors (possibly with a single motor and a drive link by belts, gears or the like), said cylinders, as already said, for example having the same diameter and being driven at different speeds of rotation or having different diameters and being driven at similar or different speeds of rotation.
  • the ratio of the tangential speeds of the cylinders can be, for example, 0.975.
  • each pressing element 4'a or 4'b is constituted by at least one roller 21a, 22a and respectively 21b, 22b.
  • FIG. 4 represents a machine 1A of which only one pressing element 4 ′ a and another can be seen.
  • a folding machine, etc. may be provided, as described above.
  • a device 23 for transfer and return at 90 ° is arranged.
  • the device 23 comprises, for example, a conveyor belt 24 and a rectifier 25.

Landscapes

  • Package Closures (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP93401287A 1992-05-21 1993-05-18 Druckverschliessvorrichtung für Briefumschläge Expired - Lifetime EP0571281B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9206190 1992-05-21
FR929206190A FR2691408B1 (fr) 1992-05-21 1992-05-21 Machine de scellement par pression pour articles de correspondance.

Publications (2)

Publication Number Publication Date
EP0571281A1 true EP0571281A1 (de) 1993-11-24
EP0571281B1 EP0571281B1 (de) 1996-04-03

Family

ID=9430021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401287A Expired - Lifetime EP0571281B1 (de) 1992-05-21 1993-05-18 Druckverschliessvorrichtung für Briefumschläge

Country Status (5)

Country Link
EP (1) EP0571281B1 (de)
AT (1) ATE136261T1 (de)
DE (1) DE69302043T2 (de)
ES (1) ES2085122T3 (de)
FR (1) FR2691408B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0952007A1 (de) * 1998-04-22 1999-10-27 Daniel Haas Falzmaschine
GB2345024A (en) * 1998-12-23 2000-06-28 Printed Forms Equip Pressure sealing apparatus, machine and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1503822A (fr) * 1966-10-14 1967-12-01 Machine automatique à plier les lettres et à les mettre sous enveloppe
EP0421565A2 (de) * 1989-10-06 1991-04-10 Moore Business Forms, Inc. Druckklebstoffschliesssystem

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1503822A (fr) * 1966-10-14 1967-12-01 Machine automatique à plier les lettres et à les mettre sous enveloppe
EP0421565A2 (de) * 1989-10-06 1991-04-10 Moore Business Forms, Inc. Druckklebstoffschliesssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0952007A1 (de) * 1998-04-22 1999-10-27 Daniel Haas Falzmaschine
GB2345024A (en) * 1998-12-23 2000-06-28 Printed Forms Equip Pressure sealing apparatus, machine and method
GB2345024B (en) * 1998-12-23 2003-01-08 Printed Forms Equip Apparatus, and methods for pressure sealing

Also Published As

Publication number Publication date
ATE136261T1 (de) 1996-04-15
FR2691408B1 (fr) 1994-07-01
ES2085122T3 (es) 1996-05-16
FR2691408A1 (fr) 1993-11-26
DE69302043D1 (de) 1996-05-09
DE69302043T2 (de) 1996-08-29
EP0571281B1 (de) 1996-04-03

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