WO1995000402A1 - Enveloppe recyclable - Google Patents

Enveloppe recyclable Download PDF

Info

Publication number
WO1995000402A1
WO1995000402A1 PCT/EP1994/002045 EP9402045W WO9500402A1 WO 1995000402 A1 WO1995000402 A1 WO 1995000402A1 EP 9402045 W EP9402045 W EP 9402045W WO 9500402 A1 WO9500402 A1 WO 9500402A1
Authority
WO
WIPO (PCT)
Prior art keywords
envelope
materials
perforation
perforations
envelope according
Prior art date
Application number
PCT/EP1994/002045
Other languages
German (de)
English (en)
Inventor
Michael Wegener
Original Assignee
Awa Couvert August Wegener Gmbh & Co.
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 Awa Couvert August Wegener Gmbh & Co. filed Critical Awa Couvert August Wegener Gmbh & Co.
Publication of WO1995000402A1 publication Critical patent/WO1995000402A1/fr

Links

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
    • B65D27/34—Lines of weakness
    • 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
    • B65D27/04—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents with apertures or windows for viewing contents
    • 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
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling

Definitions

  • the invention relates to an envelope, in particular with a viewing window, which is made from at least two materials which differ with regard to their recyclability.
  • the viewing windows serve to enable the recipient addresses to be read, which are written or printed on the stationery in the envelope.
  • the viewing windows form a rectangular recess in the non-transparent envelope, which is closed with a transparent material.
  • Envelopes with viewing windows made of glassine paper have hitherto offered advantages in this respect compared to those which consist of a combination of paper and plastic. With the former, the materials of the actual envelope and the viewing window do not have to be separated for disposal.
  • glassine paper has other serious disadvantages compared to polystyrene film:
  • the object of the invention is to enable used envelopes to be recycled according to type, which consist of at least two materials which differ in terms of their recyclability
  • the present invention offers a solution to this problem in that, for the purpose of separating the materials, at least one tearable perforation is provided in at least one area of the envelope in which the at least two materials are connected to one another.
  • it enables the recycling of envelopes with viewing windows made of polystyrene film. This is achieved by separating the different materials - in the case of envelopes with viewing windows, these are the materials of the viewing window and the actual envelope - after the envelope has been used by the recipient in a simple manner and in a few simple steps.
  • the invention offers the possibility of separating materials from other components of envelopes, which are different from viewing windows. An example of this would be the removal of a cushioning material
  • the envelope has one or more perforations, along which the envelope can also be torn open independently of the conventional opening by the recipient.
  • the perforations are arranged in such a way that, after they have been opened, individual parts of the envelope can be opened and in this way those areas on the inside of the envelope are accessible in which different materials are together
  • the receiver can then separate the materials from one another with a further handle, for which purpose it is necessary that their connection can be released without major damage. Then the materials
  • Fig. 1 An embodiment of the invention using an envelope with a window.
  • FIG. 2 An embodiment which has two arcuate perforation.
  • FIG. 3 Another embodiment with two straight perforations.
  • FIG. 4 An envelope according to Fig. 1, which has been torn open along its perforation and opened. 1 shows the back of an elongated envelope 1 with a viewing window 2, on the back of which there is a perforation 3 according to the invention in the area of the viewing window, which has an arch shape in this embodiment.
  • One end 4 of the perforation 3 is located on one side of the envelope 1, which is intended for opening by the recipient. It is irrelevant whether the opening is done by slitting the cover flap or, after loosening a removable adhesive layer, by opening it.
  • the perforation 3 in the area of the side flap 6 of the envelope 1 runs congruently with a second perforation 9 in the side flap 6, so that here too the two congruent perforations open from their common end 4 is possible.
  • the envelope 1 After the envelope 1 has been opened, its rear side can be separated along the perforation 3 and, if appropriate, the second perforation 9 in the region of the side flap 6, beginning at the end 4 of the perforation 3.
  • the transparent material 5 can preferably be polystyrene film.
  • the film 5 should be on the
  • FIG. 2 shows, as a further exemplary embodiment, the back of an elongated envelope with a viewing window, which has on its back two arched, parallel perforations 3, 3a.
  • One end 4, 4a of this example is on the longer side of the envelope.
  • the two parallel perforations 3, 3a can be designed so that they can be torn open with one hand.
  • Fig. 3 shows another envelope, on the front of which, starting from a longer side of the envelope, are two straight, parallel perforations 3, 3a.
  • This envelope can also be opened on the side on which the ends 4, 4a of the perforation 3, 3a are located.
  • Fig. 4 shows an envelope according to Fig. 1, which was opened on the narrow side, which is closer to the window, and then torn along the perforation 3 on the back, whereupon part of the back can be opened, as shown in the figure ⁇ represents.
  • the transparent viewing window aterial 5 overlaps the edges of the viewing window 2 and is connected, for example by adhesive, to the inside 7 of the envelope 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Credit Cards Or The Like (AREA)
  • Wrappers (AREA)

Abstract

L'invention concerne une enveloppe, notamment à fenêtre (5), réalisée dans au moins deux matériaux (1, 5) qui diffèrent de par leur aptitude au recyclage. Afin de permettre aux matériaux d'être séparés, l'enveloppe (1) comporte une perforation (3, 3a) déchirable dans au moins une zone dans laquelle les deux matériaux au moins (1, 5) sont liés.
PCT/EP1994/002045 1993-06-26 1994-06-22 Enveloppe recyclable WO1995000402A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4321353.7 1993-06-26
DE19934321353 DE4321353C1 (de) 1993-06-26 1993-06-26 Recyclingfähiger Briefumschlag

Publications (1)

Publication Number Publication Date
WO1995000402A1 true WO1995000402A1 (fr) 1995-01-05

Family

ID=6491342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/002045 WO1995000402A1 (fr) 1993-06-26 1994-06-22 Enveloppe recyclable

Country Status (2)

Country Link
DE (1) DE4321353C1 (fr)
WO (1) WO1995000402A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997744A1 (fr) * 2007-05-25 2008-12-03 Blasetti S.p.A. Enveloppe ameliorée avec ouverture facilitée
FR2948639A1 (fr) * 2009-07-31 2011-02-04 Manuparis Enveloppe a fenetre, recyclable, et procedes pour realiser et recycler une telle enveloppe.
GB201017099D0 (en) * 2010-10-11 2010-11-24 Black Edward Envelopes and mailers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334413A (en) * 1942-02-19 1943-11-16 Kerr Albert Envelope
US2828065A (en) * 1954-08-27 1958-03-25 Us Envelope Co Quick opening construction for window envelopes
GB1151006A (en) * 1966-09-19 1969-05-07 Wilbur Rosindale Caldwell Quick Opening Foldable Containers.
US3709753A (en) * 1970-06-25 1973-01-09 Rochester Envelope Co Method of applying windows to envelopes and bags
NL9001723A (nl) * 1990-07-31 1992-02-17 Enfa B V Enveloppe.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676455A5 (fr) * 1986-05-01 1991-01-31 Riccardo Schlee
DE3627818A1 (de) * 1986-08-16 1988-02-18 Wegener August Awa Couvert Briefumschlag mit einem sichtfenster in der vorderwand

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334413A (en) * 1942-02-19 1943-11-16 Kerr Albert Envelope
US2828065A (en) * 1954-08-27 1958-03-25 Us Envelope Co Quick opening construction for window envelopes
GB1151006A (en) * 1966-09-19 1969-05-07 Wilbur Rosindale Caldwell Quick Opening Foldable Containers.
US3709753A (en) * 1970-06-25 1973-01-09 Rochester Envelope Co Method of applying windows to envelopes and bags
NL9001723A (nl) * 1990-07-31 1992-02-17 Enfa B V Enveloppe.

Also Published As

Publication number Publication date
DE4321353C1 (de) 1994-10-20

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