EP0671337A1 - Envelope ou sac d'envoi postal et son procédé de fabrication - Google Patents

Envelope ou sac d'envoi postal et son procédé de fabrication Download PDF

Info

Publication number
EP0671337A1
EP0671337A1 EP95100356A EP95100356A EP0671337A1 EP 0671337 A1 EP0671337 A1 EP 0671337A1 EP 95100356 A EP95100356 A EP 95100356A EP 95100356 A EP95100356 A EP 95100356A EP 0671337 A1 EP0671337 A1 EP 0671337A1
Authority
EP
European Patent Office
Prior art keywords
thread
envelope
tear
edge
paper
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
EP95100356A
Other languages
German (de)
English (en)
Other versions
EP0671337B1 (fr
Inventor
Hans Weber
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.)
Rossler Papier & Cokg GmbH
Original Assignee
Rossler Papier & Cokg GmbH
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 Rossler Papier & Cokg GmbH filed Critical Rossler Papier & Cokg GmbH
Priority to IL11285295A priority Critical patent/IL112852A0/xx
Priority to JP7048630A priority patent/JP2619617B2/ja
Priority to CA002144233A priority patent/CA2144233A1/fr
Publication of EP0671337A1 publication Critical patent/EP0671337A1/fr
Application granted granted Critical
Publication of EP0671337B1 publication Critical patent/EP0671337B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
    • B65D27/32—Opening devices incorporated during envelope manufacture
    • B65D27/38—Tearing-strings or -strips
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings

Definitions

  • the invention relates to an envelope or a mailing bag or the like, preferably made of paper with a tear thread lying in a folded edge.
  • the invention further relates to a process for the production of such envelopes and mailers, e.g. B. made of paper with an inserted tear thread, the tear thread being arranged in the course of production at a fold edge different from a folded edge of a closure flap before the envelope is finished folded.
  • a process for the production of such envelopes and mailers e.g. B. made of paper with an inserted tear thread, the tear thread being arranged in the course of production at a fold edge different from a folded edge of a closure flap before the envelope is finished folded.
  • Envelopes in the form of envelopes of the type described at the outset are already known from DE-G 93 02 248.
  • the cutting thread is arranged on an edge different from the closure flap and on both ends of the lower edge in the area of Bonding set. Since the cutting thread known according to this utility model acc. Claim 1 of this utility model to be fixed at both ends of the lower edge in the area of the adhesive bond, the cutting thread can only be arranged on the lower edge opposite the closure flap and on no other edge. This thread must be inserted piece by piece during production and it is not clear how such a thread should be inserted during production. It would be conceivable to place such a thread on the type of insertion of a weft thread in a weaving machine. However, the way in which such a thread is introduced is in the utility model mentioned not explained. The insertion in the manner of a weft thread would make the manufacturing machine very slow. This would be uneconomical. Manual insertion is out of the question.
  • the cutting thread is laterally guided out of the envelope and attached to the front or back, for example by gluing.
  • This allows you to easily grasp this thread from the outside and thus cut or tear open the envelope.
  • this has the disadvantage that there is a great risk that such an envelope will be torn open during transport because the thread is hanging somewhere, or that the thread will be torn off so that it can no longer be gripped and the envelope will no longer be with it can be torn open.
  • the danger of thread destruction and envelope destruction exists in particular if envelopes stacked on top of one another are pushed back and forth against one another.
  • the invention is therefore based on the object of proposing an envelope of the type described at the beginning, the tear thread of which is easy to handle, a torn or soiled protrusion of the thread being avoided.
  • the invention is also intended to propose a method for producing such an envelope.
  • a tear thread is arranged in at least one lateral folding edge and is in love with the paper of the envelope and / or an inner lining of the envelope without protrusions.
  • a tear thread that is arranged along the side edge, that is to say a side folding edge of the blank and glued there without an overhang, cannot be torn off from the outside.
  • the guiding of the thread along the side edge allows continuous threading and unwinding of the thread with the run of the endless paper tape, so that the thread is easily placed and cut with knives for trimming the side edges and is in love with the folded edge of the still flat cut, so that during the further folding of the blank to the finished envelope not any other special measures.
  • this thread must be taken, but the thread can rather be completely ignored.
  • the thread can be gripped and pulled off in the lateral direction and the envelope can thus be opened.
  • the thread can thus be introduced economically, so that the envelope is economically restored can be. It is no longer possible to tear off protruding thread ends because no thread ends protrude. Accordingly, an envelope cannot be opened unintentionally via the protruding thread end which is glued to the envelope at its free end.
  • the thread is arranged in a side folding edge of the blank.
  • This fold edge of a side flap is the fold edge running in the machine direction. Positioning just in this edge allows an endless thread to be inserted in the envelope manufacturing according to the procedure described below.
  • the envelope in the area of at least one end of a thread which is located within the envelope, the envelope has a perforation to form a tear-off corner covering the thread end.
  • the perforation is easy to insert and can be inserted during the run with the knife for trimming the side edges.
  • care must be taken to ensure that the thread end is not perforated or even severed.
  • the perforations must therefore be next to the thread end and must not separate the thread end. Perforation is especially necessary for thick papers to support the tearing process.
  • the tear thread is designed as a flat ribbon.
  • the tape thickness is 40 ⁇ m, for example, the sleeves are later easier to stack.
  • the tear thread is provided with adhesive which sticks under pressure and / or heat.
  • the adhesive is always where the thread is and there are no positioning problems between an adhesive strip and a thread. It can also no longer occur with this form of gluing that the tear thread, which is only glued to a single point at its end, releases from its movement at the start of the tear-open process, so that it can simply be pulled out and an opening by means of this Thread is no longer possible.
  • so-called hot-melt strips are to be mentioned, which love through the supply of heat or self-adhesive strips, which stick to the paper web by pressing.
  • the thread consist of a material that is easily decomposed. Such materials are already known today. In particular, high-strength decomposable nonwovens from which such a thread could be cut are already known. Such a thread could then be separated during recycling of the envelope and fed to a separate rotting process. He could also if necessary. rot together with the envelope. If the thread is made from a polyprorylene material, the thread can be skimmed off with the foil windows when recycling the envelope.
  • the object underlying the invention is achieved in that at least one tear thread is continuously placed in the area of a lateral folding edge extending in the direction of travel of the paper web while a continuous machine of suitable width is being passed through a processing machine prior to trimming the side edges to produce a blank prepared for the final folding is pressed on and thereby glued and transported along with the paper web, with the format side cut-out subsequently separating the resulting excess in the longitudinal direction.
  • Machines with those from a paper tape that is quickly and continuously transported through the machine. have already been printed in the desired manner in the machine, a flat blank can be cut for the production of envelopes, are already known. Their structure and mode of operation therefore need not be described here.
  • the tear thread On the continuous paper web, which is not yet separated in the transverse direction and is not yet trimmed at the side edges, is at a suitable point, for. B. on a deflecting roller, laterally a later extending edge in the direction of the running paper web, the tear thread is continuously placed and pressed by means of a roller or roller and thus continuously in love with the paper web and continuously transported. The laying on and falling in love and the transport can take place without any impairment of the normal transport speed of the paper web. The general work of the known machine is in no way disturbed. During the transport of the paper web through the machine and after the tear thread is placed in the manner mentioned, the shape of the side edges is trimmed z. B.
  • the thread spool device 16 carries a thread spool 18 and this is followed by a dispenser 17, with which the thread tension of the tear thread 3 can also be regulated.
  • the tear thread 3 is removed from the thread spool 18 of the thread spool device 16 by the unwinding device 17 regulating the thread tension unwound through and led to the guide and pressing device 19.
  • the thread 3 is guided into the correct lateral position and then, if necessary, guided to the paper web 8 in the area in front of the station for the format side cutout 26 via further guide rollers and placed there on the paper web and pressed onto the paper web via the pressure roller 22. Since the tear thread 3 itself has the necessary adhesive, it is thereby glued to the paper web, which transports it back in the direction of the arrow 20 during operation, thereby forcing the same speed as the paper web 8 itself.
  • the pressure roller 22 can be used to generate the required contact pressure z. B. be spring loaded.
  • the lateral orientation of the tear thread 3 is such that it is placed along a folding edge 2 (FIG. 1) which extends in the direction of the arrow 20 and moves in this direction.
  • a folding edge 2 FIG. 1
  • the side edge 11 is cut on both sides of the paper web 8 using a rotating knife 25, as shown in FIG. 3, in a format cutting station 26.
  • a separating cut along the separating edge 21 for separating a blank from other blanks takes place later.
  • the knife contour 24 of the rotary knife shown in FIG. 3 which is shown again in development in FIG. 4 and can also be seen in development in FIG. 1, an unnecessary edge region, which is shown hatched in FIG. 1, now becomes cut off.
  • the tear thread 3 is cut through in this area, which becomes waste with the hatched paper area.
  • This cutting process forms side flaps 13, which are later folded inwards along the folding edge 2 when the envelope 1 is folded, so that after this folding inwards the tear thread 3 is covered by the paper of the blank. It ends exactly at the edges of the cut and does not protrude anywhere.
  • a perforation knife 25 is provided, with which the perforation 7 is introduced during the cut in such a way that the tear thread 3 is not damaged thereby.
  • This perforated area 4 at the end of the thread 5 then forms a tear-off corner after the folding of the envelope 1, which can be easily recognized and torn off, so that the corresponding end 5 of the thread 3 is held in hands and then the corresponding folded edge of the envelope can be torn open.
  • the entire width 9 of the paper web 8 is thus only reached by the side flaps 13 and is narrower at the side edges 11 which are cut by the knife contour 24, with a closure flap after the separating edge 21 opposite the transport direction of the arrow 20 23 of the next blank.
  • the cutting of such an envelope 1 and its production are known per se and therefore do not require any further explanation here either.
  • the thread that is assigned by an Thread winding device is provided, are guided in the correct lateral direction, because yes, the thread 3 to be provided on the thread spool 18 is not only wound one above the other but also side by side, so that this thread runs back and forth continuously when unwinding.
  • a thread guide roller for thread guidance, but other suitable means such as, for example, a thread inlet funnel with an outlet nozzle in the correct lateral position for the thread. If the thread spool is not too wide and instead has a larger diameter, a simple eyelet is sufficient as a thread guide, through which the thread runs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Microscoopes, Condenser (AREA)
EP95100356A 1994-03-09 1995-01-12 Procédé de fabrication d'une enveloppe ou d'un sac d'envoi Expired - Lifetime EP0671337B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL11285295A IL112852A0 (en) 1994-03-09 1995-03-02 Envelope or shipping container and method for making such articles
JP7048630A JP2619617B2 (ja) 1994-03-09 1995-03-08 封筒又は開封封筒の製造方法
CA002144233A CA2144233A1 (fr) 1994-03-09 1995-03-08 Enveloppe ou conteneur; methode de leur fabrication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4407667 1994-03-09
DE4407667A DE4407667A1 (de) 1994-03-09 1994-03-09 Briefumschlag oder Versandtasche sowie Verfahren und Einrichtung zur Herstellung solcher Umschläge

Publications (2)

Publication Number Publication Date
EP0671337A1 true EP0671337A1 (fr) 1995-09-13
EP0671337B1 EP0671337B1 (fr) 1997-07-09

Family

ID=6512148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100356A Expired - Lifetime EP0671337B1 (fr) 1994-03-09 1995-01-12 Procédé de fabrication d'une enveloppe ou d'un sac d'envoi

Country Status (4)

Country Link
EP (1) EP0671337B1 (fr)
AT (1) ATE155101T1 (fr)
DE (2) DE4407667A1 (fr)
DK (1) DK0671337T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008034303A1 (fr) * 2006-09-19 2008-03-27 Bifeng Chen Liseré pour film d'emballage et son procédé de production
CN112223840A (zh) * 2020-10-15 2021-01-15 漳州市铭鸿文具有限公司 一种文具袋高质量加工系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH376760A (it) * 1961-03-04 1964-04-15 Dozio Gian Piero Busta ad apertura rapida
FR2151763A5 (fr) * 1971-09-10 1973-04-20 Seren Raymonde
FR2304534A1 (fr) * 1975-03-17 1976-10-15 Marguet Roland Enveloppes auto-ouvrantes
FR2420487A1 (fr) * 1978-03-22 1979-10-19 Bavari Benito Systeme d'ouverture d'enveloppes
EP0402323A1 (fr) * 1989-06-08 1990-12-12 Egidio Bertoli Enveloppe à ouverture déchirable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447259A1 (de) * 1974-10-03 1976-04-08 Wolff Walsrode Ag Verfahren und vorrichtung zur herstellung von kunststoffbeuteln mit oeffnungshilfe
DE7608975U1 (de) * 1976-02-07 1976-09-16 Karow, Volker, 6382 Friedrichsdorf Papierrolle
DE3110897A1 (de) * 1981-03-20 1982-12-02 Ilija 7140 Ludwigsburg Milovanovic Briefoeffner mit aufreissschnur
DE9012013U1 (de) * 1990-08-20 1990-11-15 Gomez Escolar Roldan, Luis, Madrid Papierumschlag

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH376760A (it) * 1961-03-04 1964-04-15 Dozio Gian Piero Busta ad apertura rapida
FR2151763A5 (fr) * 1971-09-10 1973-04-20 Seren Raymonde
FR2304534A1 (fr) * 1975-03-17 1976-10-15 Marguet Roland Enveloppes auto-ouvrantes
FR2420487A1 (fr) * 1978-03-22 1979-10-19 Bavari Benito Systeme d'ouverture d'enveloppes
EP0402323A1 (fr) * 1989-06-08 1990-12-12 Egidio Bertoli Enveloppe à ouverture déchirable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008034303A1 (fr) * 2006-09-19 2008-03-27 Bifeng Chen Liseré pour film d'emballage et son procédé de production
CN112223840A (zh) * 2020-10-15 2021-01-15 漳州市铭鸿文具有限公司 一种文具袋高质量加工系统
CN112223840B (zh) * 2020-10-15 2023-06-16 温州璐琳包装有限公司 一种文具袋高质量加工系统

Also Published As

Publication number Publication date
EP0671337B1 (fr) 1997-07-09
DE59500350D1 (de) 1997-08-14
ATE155101T1 (de) 1997-07-15
DE4407667A1 (de) 1995-09-14
DK0671337T3 (da) 1998-02-16

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