WO1996021598A1 - Enveloppes reutilisables - Google Patents

Enveloppes reutilisables Download PDF

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Publication number
WO1996021598A1
WO1996021598A1 PCT/AU1996/000010 AU9600010W WO9621598A1 WO 1996021598 A1 WO1996021598 A1 WO 1996021598A1 AU 9600010 W AU9600010 W AU 9600010W WO 9621598 A1 WO9621598 A1 WO 9621598A1
Authority
WO
WIPO (PCT)
Prior art keywords
envelope
address
machine readable
readable code
addressee
Prior art date
Application number
PCT/AU1996/000010
Other languages
English (en)
Inventor
Leslie Albert David Martin
John Calvert Tait
Original Assignee
Rexam Australia Pty. Limited
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
Priority claimed from AUPN0555A external-priority patent/AUPN055595A0/en
Priority claimed from AUPN3218A external-priority patent/AUPN321895A0/en
Priority claimed from AUPN4731A external-priority patent/AUPN473195A0/en
Application filed by Rexam Australia Pty. Limited filed Critical Rexam Australia Pty. Limited
Priority to EP96900207A priority Critical patent/EP0801620A4/fr
Priority to JP52132996A priority patent/JPH10511914A/ja
Priority to NZ298344A priority patent/NZ298344A/en
Priority to AU43805/96A priority patent/AU695057B2/en
Publication of WO1996021598A1 publication Critical patent/WO1996021598A1/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
    • B65D27/06—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents with provisions for repeated re-use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present invention relates to reusable envelopes, to blanks for such envelopes, and to a method of delivering and receiving correspondence.
  • a double use envelope, or so called "reusable envelope” is particularly intended for use by public utilities and like organisations which dispatch an account to their customers with the intention that the customer (or addressee) return a portion of the account together with a cheque for payment of the account to the utility.
  • reusable envelopes Prior to the advent of reusable envelopes it was the custom for utilities to enclose an envelope for the addressee's use in order to make it convenient for the account to be paid by the addressee.
  • An advantage of a reusable envelope is that it can allow a substantial operating expense for the utility or like organisation to be saved. Many such organisations have many tens of thousands of customers and therefore the supply of the return envelope represents a not insignificant operating expense.
  • reusable envelopes Furthermore, there is an environmental advantage to the use of such reusable envelopes since they represent a saving in paper (or like material used to construct the envelope) and are thereby environmentally friendly.
  • a particular problem with reusable envelopes is that the postal authority normally encodes the front surface of the envelope with a machine readable code representing the postal code (or zip code as the code is termed in the USA) of the initial addressee.
  • a reusable envelope by means of which an addressee at a first address can dispatch material to a second address
  • said envelope comprising a front panel, a rear panel, an insertion flap and a reuse flap
  • said insertion flap being adapted to close and seal a first opening in said envelope through which the initial contents of the envelope can be inserted
  • said reuse flap being adapted to close a second opening in said envelope
  • said reuse flap being provided with releasable closure means adapted to allow the addressee to remove the initial contents of the envelope through the second opening, and also being provided with addressee sealing means to allow the addressee to seal the second opening before dispatching the envelope to the second address
  • the reusable envelope is provided with machine readable code obscuring means for allowing the addressee, before dispatching the envelope to the second address, to obscure any machine readable code which has been placed on the envelope to indicate the first address.
  • the machine readable code obscuring means comprises an adhesive strip which is contained in the envelope on delivery to the addressee, and which the addressee can use to cover the machine readable code before dispatching the envelope to the second address.
  • the machine readable code obscuring means comprises a releasable adhesive strip which is adhered to the outside of the envelope on dispatch of the envelope to the addressee at the first address, the adhesive strip being adhered at a location on the envelope at which the machine readable code will be placed, so that the addressee can remove the adhesive strip, and thus also the machine readable code thereon, before dispatching the envelope to the second address.
  • the machine readable code obscuring means comprises rear address means, located on the rear panel, for indicating the second address.
  • the rear address means can, for example, be a transparent window provided in the rear panel, or an adhesive address label carrying the second address and adapted to be placed on the rear panel of the envelope.
  • the rear address means comprises the second address printed on the rear panel of the envelope.
  • the machine readable code obscuring means comprises stamp affixment indication means for indicating to the addressee at the first address that a stamp is to be placed on the rear of the envelope when sending the envelope to the second address.
  • any machine readable code on the front of the envelope will be obscured when the envelope is sent by the addressee to the second address because the machine readable code will lie on the opposite side of the envelope to that which is of relevance to the postal service in delivering the envelope to the second address.
  • most postal services are now able to detect which side of an envelope is to be treated as the "front” by detecting the presence of a stamp on that side.
  • the postal service will have no difficulty is automatically detecting which side of the envelope is now to be regarded as the front for the purposes of delivering the envelope to the second address.
  • the postal service can then place a machine readable code on the rear panel corresponding to the second address, and any machine readable code on the front panel (corresponding to the first address) will be obscured from the machine reading equipment of the postal service, and will accordingly be ignored.
  • the rear address means and/or stamp affixment indication means is or are arranged on the rear panel in such a way that the second address, located on the rear panel, is upside down in relation to the first address, located on the front panel.
  • this can be achieved by selecting an appropriate position for the transparent window or stamp affixment indication means, if these are provided, or by simply printing the second address upside down on the rear panel of the envelope.
  • machine readable codes are placed on both sides of the envelope by the postal services during delivery of the envelope to the first address.
  • the machine readable codes are normally placed along the bottom edges of the front and rear panels of the envelope.
  • the second address, on the rear panel of the envelope is upside down in relation to the first address, on the front panel of the envelope, it will be appreciated that what was the bottom edge of the envelope on the first trip (i.e. to the first address) will become the top edge of the envelope on the second trip (i.e. to the second address), and any machine readable codes placed on the envelope during the first trip will be disregarded by the postal services during the second trip, notwithstanding the fact that machine readable codes are placed on both sides of the envelope on both trips.
  • a further advantage of this feature arises in the case where a machine readable code is placed on only one side of the envelope during the first trip, but, for one reason or another, the equipment of the postal services is still able to read the machine readable code on the second trip even though the equipment is reading the rear panel of the envelope and the machine readable code is located on the front panel of the envelope. This can happen in a case where the equipment of the postal service is able to "see through" certain types of paper.
  • This problem is overcome by the above feature as a result of the fact that any machine readable codes placed along the bottom edge of the envelope during the first trip are located along the top edge of the envelope during the second trip, and are thus not seen by the equipment of the postal service, even if the equipment can read through the paper of the envelope.
  • a further advantage of this feature of the invention lies in the convenience to the addressee. The addressee can simply flip the envelope over in order to read material printed on the front and rear panels of the envelope, and said material is automatically in the correct orientation to be read by the address
  • the machine readable code obscuring means takes the form of a further machine readable code placed on the envelope, for example alongside the machine readable code indicating the first address, indicating to code reading machinery of the postal service that the machine readable code indicating the first address is to be disregarded when delivering the envelope to the second address.
  • the envelope is formed from a single sheet of paper. From an environmental and cost-saving point of view, it is advantageous if the envelope is a two-panel envelope comprising only two panels, namely said front and rear panels.
  • the first and second openings, and the insertion and reuse flaps extend along two adjacent edges of the envelope.
  • the machine readable code obscuring means comprises stamp affixment indication means located in each of a pair of opposite corners of the front panel, so as to indicate that said envelope is to be used in a first orientation when dispatched to said first address and is to be used in an inverted orientation when dispatched to said second address.
  • the envelope is provided with a transparent window, so as to enable an address within the envelope to be viewed.
  • a transparent window so as to enable an address within the envelope to be viewed. This allows the envelope to be easily readdressed, simply by altering the contents of the envelope so that the second address is visible through the transparent window.
  • an adhesive label either blank or preprinted with the second address, is provided for placement over the first address or transparent window.
  • the front panel can be provided with an adhesive label bearing the first address and adapted to be removed by the first addressee. It is further preferred that said second address be provided on the front panel so as to be exposed upon removal of the adhesive label.
  • the second address can be printed in the inverted orientation, thereby avoiding any errors that the second addressee can otherwise make when readdressing the envelope.
  • An advantage of the above embodiments is that a machine readable code applied during the first use of the envelope, typically placed adjacent one edge of the envelope, is repositioned for the second use of the envelope.
  • a machine readable code was placed adjacent the bottom edge of the envelope during its first use, then when the envelope is inverted for its second use, the machine readable code is now located adjacent the top edge.
  • the new bottom edge, which was the top edge, is now free of machine readable codes, allowing a fresh code to be placed on the envelope without any confusion with existing codes.
  • This enables the envelope to be reused whether the machine readable code is placed on either or both faces of the envelope.
  • a reusable envelope adapted for use in a first orientation during a first use to dispatch material to a first address, and being further adapted for use in an inverted orientation relative to said first orientation when despatching material to a second address.
  • said envelope is provided with stamp affixment indication means located in a pair of opposite corners of one of the faces of the envelope.
  • Fig. 1 is a plan view of the rear side of a prior art double use envelope
  • Fig. 2 is a plan view of the front face of the envelope of Fig. 1 ,
  • Fig. 3 is a cross-sectional view taken along the line III-III of Fig. 1
  • Figs. 4, 5 and 6 are views similar to Fig. 3 but illustrating the sequence of steps required to open and subsequently reseal the envelope of Fig. 1,
  • Fig. 7 is a view similar to Fig. 1 but illustrating a reusable envelope of a preferred embodiment
  • Fig. 8 is a view similar to Fig. 2 but illustrating the reusable envelope of Fig. 7,
  • Fig. 9 is a cross-sectional view along the line IX-IX of Fig. 7
  • Fig. 10 is a view of the right hand edge of the rear of the envelope of Fig. 7 illustrating how the envelope is opened by an addressee
  • Fig. 11 is a view of the right hand end of the rear of the envelope of Fig. 7 illustrating how the envelope is resealed by the addressee
  • Fig. 12 is a plan view of the blank from which the envelope of Fig. 7 is fabricated;
  • Fig. 13 is a view similar to Fig. 8 but illustrating a method of avoiding confusion between two machine readable codes when an envelope is reused;
  • Fig. 14 is a plan view of an envelope blank of a further preferred embodiment
  • Fig. 15 is a plan view of the front face of an alternative reusable envelope
  • Fig. 16 is a plan view of the rear face of the envelope of Fig. 15.
  • the prior art envelope 1 has a front face 2 with two window apertures 3, 4.
  • the rear face 5 of the envelope is extended so as to provide an interior flap 6 illustrated in cross-section in Fig. 3.
  • the front face 2 of the envelope 1 is extended at each end so as to provide two end flaps 7, 8 which are permanently sealed to the rear face 5 in order seal the ends of the envelope 1.
  • the front face 2 of the envelope 1 is extended to form a main flap 9 which is separated from the front face 2 by means of a line of perforations 10.
  • the main flap 9 is open but the end flaps 7, 8 are sealed to the rear face 5.
  • the interior flap 6 is folded inwardly upon itself as indicated in Fig. 3.
  • the initial user of the envelope inserts the material he wishes to send to the addressee into the envelope and then seals the main flap 9 in conventional fashion. As indicated in Fig. 3 the addressee lifts up the main flap 9 in the direction indicated by arrow A in Fig. 3.
  • the addressee is then able to insert the material which is intended to be mailed to another address (normally the address of the initial sender).
  • this material is inserted into the envelope 1
  • the flap 6 is folded outwardly and downwardly as indicated by arrow C in Fig. 5. Finally the flap 6 is adhered to the front face 2 of the envelope.
  • the name and address to which the envelope is to be sent in its second use are printed on the outside of the interior flap 6 and thus is effectively located at the front of the envelope in the configuration illustrated in Fig. 6.
  • An important feature of the interior flap 6 is that it covers any marks which have been applied to the front face of the envelope by the postal authorities and, in particular, any postal code or zip code marking which is able to be read by automatic machinery .
  • the lower left hand corner of the front flap 6 which would normally overlie the lower aperture 4 can be removed so as to enable the window aperture 4 to still reveal the interior contents of the envelope. In this way, the material to be sent to the second address can be so arranged so as to show the second address through the window aperture 4.
  • the reusable envelope 21 allows an addressee at a first address to remove the contents of the envelope 21, insert new contents, and then send the envelope 21 to a second address.
  • the envelope 21 has a front face 22 and a rear face 25.
  • the front face 22 is conveniently provided with a window aperture 24 for displaying the first address.
  • the left hand end of the envelope 21 (looking from the front of the envelope 21) is provided with an end flap 27, the exterior surface of which is permanently sealed to the interior surface of the rear face 25.
  • the front face 22 is extended so as to provide a main flap 29 which, when in the folded position illustrated in Fig. 7, covers the upper edge 23 of the rear face 25.
  • the upper edge 23 of the rear face 25 is illustrated in phantom.
  • the right hand end of the envelope 21 is provided with an end flap 28. Also illustrated in phantom in Fig. 7 is the periphery of the end flap 28. As indicated in Fig. 7 the exterior surface of the end flap 28 is provided with a strip, or a series of spots, of releasable adhesive 30 which is located on the exterior surface of the end flap 28 and releasably adheres same to the interior surface of the rear face 25 which is provided with a cut-away profile 31 in this vicinity.
  • the envelope 21 of the preferred embodiment is delivered by the envelope manufacturer to the first user with the main flap 29 unsealed but with the end flaps 27 and 28 both sealed to the interior surface of the rear face 25.
  • Fig. 10 The procedure by which the addressee at the first address opens the envelope of Figs. 7 and 8 is illustrated in Fig. 10.
  • the addressee inserts his left index finger 35 into the slit formed between the rear face 25 and end flap 28 so as to break the hold of the releasable adhesive 30.
  • the end flap 28 is able to be folded out of the interior of the envelope and the initial contents of the envelope thereby removed.
  • the addressee is able to insert the final contents of the envelope by means of the opening between the end flap 28 and the rear face 25, and then seal the envelope by means of the end flap 28.
  • This is preferably done by means of a moisture activated gum 38 (Fig. 12) which is located on the interior surface of the end flap 28.
  • the envelope 21 is then ready to be sent by the addressee to the second address.
  • Fig. 12 shows the blank from which the envelope 21 is fabricated.
  • the blank is illustrated in plan view, with the interior surface of the envelope 21 being illustrated.
  • the envelope 21 can be provided with a second transparent window 50 in the rear face 25.
  • the addressee ensures that the second address is visible through the second window 50, and that the window aperture 24 on the front face 22 is left blank. If the second window 50 is not provided, the addressee at the first address can write the second address on the rear face 25, or apply an adhesive address label. In an alternative embodiment, the second address can be pre -printed on the rear face 25.
  • a stamp affixment box 52 is printed on the outside surface of the main flap 29 in order to direct the addressee at the first address to affix a stamp on the rear of the envelope 21 before sending the envelope 21 to the second address.
  • Postal services are now generally equipped with equipment which can detect which side of an envelope carries a stamp, and turn the envelope over if necessary before applying or reading a machine readable code.
  • the postal service will treat the rear face 25 as the "front" of the envelope, and accordingly the machine readable code 40 at the front face 22 will be ignored by the postal service's code reading machinery.
  • a machine readable code indicative of the second address can therefore be placed on the rear face 25 without the danger of its becoming confused with the machine readable code 40 indicative of the first address.
  • the envelope 21 can be provided with an adhesive strip 54 which can be placed over the machine readable code 40 by the addressee before sending the envelope 21 to the second address.
  • the adhesive strip 54 can be placed on the front face 22 of the envelope 21 before the envelope 21 is dispatched to the first address. In that case, the adhesive strip 54 must be positioned on the front face 22 at the position at which the machine readable code 40 will be applied by the postal service. The addressee at the first address can then simply peel off the adhesive strip 54 before the envelope is sent to the second address.
  • a further way of avoiding confusion between the machine readable codes indicating the first and second addresses is illustrated in Fig. 13.
  • the postal service applies a further machine readable code 42 which is conveniently positioned alongside the first code 40 and which indicates to the code reading machinery of the postal service that the code 40 is to be disregarded.
  • the postal service also applies a machine readable code 41 indicative of the second address, and the code 41 is able to be read without confusion with the code 40.
  • the envelope 21 need not be provided with the second window 50. Rather, the addressee at the first address simply ensures that the second address is visible through the window aperture 24 in the front face 22 before sending the envelope to the second address.
  • the foregoing arrangement has a number of significant advantages.
  • the amount of paper used to create the envelope is substantially the same as that used to create a conventional envelope.
  • the envelope is able to be reused without modification to the mail system.
  • a second machine readable code 42 is able to be produced on the envelope so as to correctly indicate the second address to which the envelope is intended to be sent.
  • FIG 14 shows an envelope blank 60 of a further embodiment.
  • the envelope blank 60 comprises front and rear panels 62 and 64 respectively, and is provided with an insertion flap 66 and a reuse flap 68.
  • a transparent window 70 is provided in the front panel 62, through which the first address can be displayed.
  • a stamp or postage paid stamp 72 is placed in the top right corner of the fiont panel 62.
  • the instructions 76 refer to "the shaded area”, which is the portion of a shaded area 80 of the reuse flap 68 which is visible when the envelope blank 60 is folded to form an envelope.
  • the instructions also refer to "the white arrow", which is labelled as 82 in Figure 14.
  • Figures 15 and 16 show a further embodiment of a reusable envelope 90, which has a front face 91 , a rear face 92, a main flap 93 and two end flaps 94,95.
  • the front face 91 is preferably provided with a transparent window 96.
  • the envelope 90 is supplied to the first user with the main flap 93 unsealed, end flap 94 permanently sealed to the inner surface of rear face 92, and end flap 95 releasably sealed to the inner surface of the rear face 92.
  • a postage paid mark 97 is typically located in the top right corner of the envelope 90, during its first use.
  • the envelope 90 is used by the first user in the same manner as the envelope
  • the address of the first addressee is oriented such that the postage paid mark 97 is located in the top right corner of the envelope 90.
  • the first addressee opens the envelope 90 in the same manner as that previously described, using the releasably sealed end flap 95.
  • the first addressee When the envelope 90 is being reused, the first addressee is able to insert the final contents of the envelope 90 by means of the opening between the end flap and the rear face 92, and then seal the opening.
  • the contents of the envelope are arranged so that the address of the second addressee is visible through the transparent window 96 and is inverted compared to the address of the first addressee during the first use.
  • the stamp affixment box which was in the bottom left corner 90 is located in the top right corner of the inverted envelope 90.
  • the machine readable codes applied by postal services to envelopes are typically located at a predetermined position on the envelope, such as a fixed distance from the lower edge of the envelope.
  • the location of the machine readable code can of course vary between postal services and can even be applied to both faces of the envelope.
  • the machine readable code will be applied to either or both sides of the envelope in a predetermined position, such as a fixed distance from the lower edge.
  • the envelope is inverted and so that region of the envelope to which a machine readable code is normally applied will be blank.
  • the machine readable code previously applied will be located at a different location, and so will not cause confusion when the envelope is reused.
  • This embodiment of the envelope has several advantages.
  • the amount of paper used to create this envelope is substantially the same as that of a conventional envelope, and only one transparent window is required.
  • the envelope is also able to be reused without any modification to the postal system. Furthermore, the effort required on the part of the first addressee to reuse the envelope is minimal.
  • the first addressee need only ensure the contents of the envelope are inserted the correct way up, ie. so that the stamp affixment box is in the top right hand corner of the envelope, and apply a stamp to the stamp affixment box. There is no need for the first addressee to apply or remove any adhesive strips.

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

Abstract

On décrit une enveloppe réutilisable (21) avec laquelle un destinataire ayant une première adresse peut envoyer un document à une deuxième adresse. Cette enveloppe comprend une face (22), un dos (25) un rabat d'insertion (29) et un rabat de réutilisation (28), le rabat d'insertion étant prévu pour cacheter une première ouverture de l'enveloppe par laquelle on introduit le contenu initial dans l'enveloppe, et le rabat de réutilisation (28) étant prévu pour cacheter une deuxième ouverture de l'enveloppe. Ce rabat de réutilisation (28) comporte un élément de fermeture détachable (30) permettant au destinataire de retirer le contenu initial de l'enveloppe par la deuxième ouverture, et il comporte un élément de fermeture (30) avec lequel le destinataire peut cacheter cette deuxième ouverture avant d'envoyer l'enveloppe à une deuxième adresse. Cette enveloppe réutilisable présente un élément de masquage de code lisible par machine, ce qui permet au destinataire, avant l'envoi de l'enveloppe à la deuxième adresse, de masquer tout code (40) lisible par machine qui avait été inscrit sur l'enveloppe dans le contexte de la première adresse.
PCT/AU1996/000010 1995-01-13 1996-01-10 Enveloppes reutilisables WO1996021598A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP96900207A EP0801620A4 (fr) 1995-01-13 1996-01-10 Enveloppes reutilisables
JP52132996A JPH10511914A (ja) 1995-01-13 1996-01-10 再使用可能封筒
NZ298344A NZ298344A (en) 1995-01-13 1996-01-10 Reusable envelopes with flaps, machine readable code obscuring means and stamp affixment indication means to allow inversion of the envelope
AU43805/96A AU695057B2 (en) 1995-01-13 1996-01-10 Reusable envelopes

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AUPN0555 1995-01-13
AUPN0555A AUPN055595A0 (en) 1995-01-13 1995-01-13 Reusable envelopes
AUPN3218 1995-05-26
AUPN3218A AUPN321895A0 (en) 1995-05-26 1995-05-26 Reusable envelopes
AUPN4731 1995-08-10
AUPN4731A AUPN473195A0 (en) 1995-08-10 1995-08-10 Reusable envelopes

Publications (1)

Publication Number Publication Date
WO1996021598A1 true WO1996021598A1 (fr) 1996-07-18

Family

ID=27157832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1996/000010 WO1996021598A1 (fr) 1995-01-13 1996-01-10 Enveloppes reutilisables

Country Status (5)

Country Link
EP (1) EP0801620A4 (fr)
JP (1) JPH10511914A (fr)
CA (1) CA2209731A1 (fr)
NZ (1) NZ298344A (fr)
WO (1) WO1996021598A1 (fr)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
US6129269A (en) * 1996-08-29 2000-10-10 Rexam Australia Pty Limited Easy-opening reusable envelopes
US8191763B2 (en) 2006-08-18 2012-06-05 Delavergne Carol A Reusable envelopes
US8763891B1 (en) 2004-02-25 2014-07-01 Carol A. DeLaVergne Reusable envelope structures and methods
US8875985B1 (en) 2009-02-19 2014-11-04 eco Envelopes, LLC. Conversion envelopes
US9878825B1 (en) 2015-06-02 2018-01-30 Ecoenvelopes, Llc Reusable top flap envelope with dual opposing seal flaps

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2003055759A1 (ja) * 2001-12-26 2005-05-12 昭平 森 往復封筒
JP2009292494A (ja) * 2008-06-04 2009-12-17 Kc:Kk 往復封筒

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129269A (en) * 1996-08-29 2000-10-10 Rexam Australia Pty Limited Easy-opening reusable envelopes
US8763891B1 (en) 2004-02-25 2014-07-01 Carol A. DeLaVergne Reusable envelope structures and methods
US8191763B2 (en) 2006-08-18 2012-06-05 Delavergne Carol A Reusable envelopes
US8875985B1 (en) 2009-02-19 2014-11-04 eco Envelopes, LLC. Conversion envelopes
US9878825B1 (en) 2015-06-02 2018-01-30 Ecoenvelopes, Llc Reusable top flap envelope with dual opposing seal flaps

Also Published As

Publication number Publication date
EP0801620A1 (fr) 1997-10-22
EP0801620A4 (fr) 2000-03-01
CA2209731A1 (fr) 1996-07-18
JPH10511914A (ja) 1998-11-17
NZ298344A (en) 1998-08-26

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