EP0342829B1 - Enveloppe pour une imprimante de table - Google Patents

Enveloppe pour une imprimante de table Download PDF

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Publication number
EP0342829B1
EP0342829B1 EP89304539A EP89304539A EP0342829B1 EP 0342829 B1 EP0342829 B1 EP 0342829B1 EP 89304539 A EP89304539 A EP 89304539A EP 89304539 A EP89304539 A EP 89304539A EP 0342829 B1 EP0342829 B1 EP 0342829B1
Authority
EP
European Patent Office
Prior art keywords
envelope
sheets
adhesive
panels
panel
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 - Lifetime
Application number
EP89304539A
Other languages
German (de)
English (en)
Other versions
EP0342829A2 (fr
EP0342829A3 (en
Inventor
Ernest E. Badger
Russel G. Sornberger
Michale W. Anderson
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.)
Moore Business Forms Inc
Original Assignee
Moore Business Forms 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 Moore Business Forms Inc filed Critical Moore Business Forms Inc
Publication of EP0342829A2 publication Critical patent/EP0342829A2/fr
Publication of EP0342829A3 publication Critical patent/EP0342829A3/en
Application granted granted Critical
Publication of EP0342829B1 publication Critical patent/EP0342829B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/04—Foldable or multi-part cards or sheets
    • B42D15/08—Letter-cards or letter-sheets, i.e. cards or sheets each of which is to be folded with the message inside and to serve as its own envelope for mailing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C3/00—Making booklets, pads, or form sets from multiple webs

Definitions

  • This invention relates to envelope constructions and, particularly, to envelope constructions for use with conventional table or desk top laser printers.
  • DE-C-3508114 describes a process for securing together unprinted sheets etc., in which adhesive is applied to a sheet by a rising electrostatic charge pattern in conjunction with a copying or printing process and using a powdered toner adhesive substance to produce adhesive areas. Sheets to which this toner has been applied are brought together after printing and plastification of the toner adhesive substance to render it sticky is undertaken after the actual copying or printing operation.
  • US-A-4313557 describes an envelope insert for a magazine including a first and second sheet with superposed edges and with areas of adhesive and perforation lines so that the sheets can be separated from the magazine and used to provide an envelope.
  • US-A-3952942 describes a continuous form mailer comprising two overlying sheets secured together along peripheral side edges and having a return envelope portion over a detachably removable invoice/receipt portion.
  • US-A-3476307 describes a foldable mailing piece capable of being folded to form overlying panels and including a strip of mounting adhesive to secure the sheet to one surface of a carrying piece until need for use as a mailing piece and sealing adhesive along predetermined edges to seal edges of the panels together.
  • US Specification No. US-A-4031818 describes apparatus for preparing sealed envelopes with messages which apparatus includes storing message information on a computer system, moving a single continuous strip of paper across printing means to print the desired message information on the continuous strip and thereafter folding and severing the strip of paper to form separate envelope units.
  • EP-A-78967 describes an envelope assembly including folded over portions and areas of adhesive covered by removable barrier coverings.
  • French Specification No. FR-A-325706 describes a method of manufacturing double sacks of strong paper including applying marginal lines of adhesive and intermediate particles of adhesive.
  • the present invention solves these problems in a unique way by utilizing the heat fusing rolls of the laser printer, which are employed to fix the toner on the printed substrate, to activate a heat sealable or heat activatable adhesive provided about three peripheral borders of at least one of the envelope forming panels to seal the front and rear panels of the envelope along the borders to thereby form a conventional envelope pocket.
  • a pair of sheets or webs are superimposed and adhesively secured along a single leading edge thereof.
  • the leading edge in this context refers to a forward edge relative to the direction of feeding.
  • the upper and lower sheets or webs incorporate front and rear envelope panels with the front panel in direct overlying and vertically aligned relationship with the rear panel. It is also a feature of the invention that the envelope panels have at least two edges which coincide with corresponding edges of the web or sheet to minimize subsequent trimming to finished form.
  • the front panel of the envelope includes a foldable sealing panel portion which is provided on its rearward face with an adhesive, and preferably with a rewettable adhesive.
  • the sealing panel may be folded over the rear envelope panel and sealed in a conventional manner via application of moisture to the rewettable adhesive.
  • the rear sheet or web is provided on its front face with an antistick composition, and preferably a moisture barrier composition, directly underlying the rewettable adhesive on the superimposed foldable sealing panel to prevent accidental and unintended sticking of the sealing panel portion to the underlying sheet or web during production of the envelope.
  • an antistick composition and preferably a moisture barrier composition, directly underlying the rewettable adhesive on the superimposed foldable sealing panel to prevent accidental and unintended sticking of the sealing panel portion to the underlying sheet or web during production of the envelope.
  • the envelope border portions are provided with a heat activatable adhesive, applied in any conventional manner.
  • the adhesive is preferably applied only to the front face of the rear panel, but may be applied additionally or alternatively to the rear face of the front panel.
  • the superimposed webs or sheets are fed into a printing machine, such as a toner based table or desk top laser printer, with the sheets or webs adhered only along the forward leading edge extending across the sheets or webs, i.e., transverse to the direction of feeding.
  • a printing machine such as a toner based table or desk top laser printer
  • the webs or sheets are passed between a pair of heat fusing rollers which not only fix the toner, but also activate the adhesive about the three peripheral borders of one of the envelope panels, so as to securely fasten one panel to the other and thereby form the envelope, including a pocket portion sealed on three sides and open on one side.
  • the individual envelopes are separated from the webs manually, or alternatively, webs or sheets may be fed into a trimming machine for removal of all or part of the web or sheet material lying outside the bounds of the envelope panels.
  • the web portions which do not form part of the envelope per se many also be printed and used as a voucher, invoice, or the like to be inserted in the envelope and mailed to a customer, client, etc.
  • a standard size 10 business envelope may be oriented lengthwise of standard 81 ⁇ 2" (21,6cm) wide webs or sheets in such a way as to minimize the amount of paper required to be trimmed.
  • the envelope is oriented cross-wise to the longitudinally extending webs or sheets to form a smaller envelope in a manner that also minimizes trimming.
  • the webs or sheets may be in continuous or discrete form. If continuous, transverse lines of perforations extending across the webs or sheets may be employed to facilitate separation of the individual envelopes and, if appropriate, associated voucher, invoice, or the like. The separation may occur before or after, but preferably after the printing operation.
  • the invention provides a partially formed envelope for use with a non-impact printer, comprising a first sheet incorporating a front panel of the envelope; a second sheet incorporating a rear panel of the envelope; wherein one of said first and second sheets is provided with a line of heat activatable adhesive along at least three sides of the panel and the front panel includes a foldable sealing flap portion along a fourth edge, the sealing flap portion having rewettable or pressure sensitive adhesive applied thereto; characterised in that the first and second sheets are held together solely by a line of adhesive located outside the front and rear panels and a portion of the rear panel lying directly underneath the sealing flap portion is provided with an antistick composition.
  • the present invention also provides a method of producing a printed envelope comprising the steps of:
  • the present invention solves particular problems with respect to the ability and/or ease with which standard business envelope constructions can be printed by conventional toner-based table or desk top laser printers.
  • the invention is particularly advantageous in that it reduces the number of steps required to form and print the envelope, and in that it enables envelopes to be printed in standard table or desk top laser printers without requiring specially designed feed devices heretofore required in the prior art to align and properly feed conventional envelopes.
  • an upper sheet or web 10 of an envelope blank construction is shown, and includes a forward edge 12, a pair of side edges 14, 16 and a rearward edge 18.
  • FIGURE 2 there is shown a lower sheet or web 20 of an envelope blank assembly, and including a forward edge 22, a pair of side edges 24, 26 and a rearward edge 28.
  • Sheets 10 and 20 are held together in superimposed relationship by a line of adhesive 30 extending along the leading edge 12 of the rearward face of the upper sheet 10 and along the aligned forward edge 22 of the front face of the lower sheet 20.
  • Adhesive 30 may be of any conventional type including, but not limited to, the pressure sensitive type.
  • superimposed lines of perforations 32, 42, formed in sheets 10, 20, respectively extend adjacent and inwardly of the adhesive 30.
  • the lines of perforations 32, 42 permit separation of the adhesively secured forward peripheral edge portions of the upper and lower sheets upon completion of the printing/forming operation as will be described in greater detail below.
  • a similar line of perforations would extend along or adjacent the rearward edges 18, 28 to facilitate separation of the individual envelopes from the continuous sheets or webs.
  • the sheet 10 is also provided with a perforation line 34 extending between forward edge 12 and rearward edge 18 which serves as a line about which an envelope sealing flap, described below, may be folded in a conventional manner.
  • the sheet 10 also includes a trim line 36 extending substantially parallel and spaced from the line of perforations 34. It will thus be appreciated that the sheet 10 incorporates a front panel 38 of an envelope defined by web edges 16 and 18, perforation line 32 and trim line 36.
  • This front panel further includes a sealing flap portion 40, defined by lines 34 and 36, and foldable about the line of perforations 34.
  • the underlying or lower sheet 20 incorporates a rear panel 48 of an envelope, defined by edges 26, 28, a transverse perforation line 42 which underlies perforation line 32, and a trim line 44 which underlies the line of perforations 34 in the upper sheet 10.
  • trim lines 36 and 44 are offset by the width W of the sealing flap portion 40, so that flap 40 may be folded about line 34 and over the trim line 44 (ultimately the upper free edge) of the rear panel 48 in a conventional manner.
  • Trim lines 36 and 44 are preferably in the form of elongated perforations or slits to facilitate manual removal of the excess web portions which do not form part of the finished envelope.
  • the foldable sealing flap portion 40 is provided on its rearward face, i.e., the face that ultimately engages the rearward face of the rear panel 48 in the folded-over position, with an adhesive pattern 50, extending over substantially the entire flap portion.
  • Adhesive 50 may be of a conventional rewettable type typically employed in envelope construction.
  • One suitable adhesive of this type is a compounded synthetic resin emulsion produced by the Craig Adhesives Company and sold under the name Craigbond 3078S.
  • Other suitable rewettable, or pressure sensitive adhesives may also be used.
  • the antistick composition is preferably of the moisture barrier type, and most preferably a vegetable based ink, such as that manufactured by Colorcon, Inc. and sold under the name NoToxTM.
  • a vegetable based ink such as that manufactured by Colorcon, Inc. and sold under the name NoToxTM.
  • This is a non-toxic and contaminant free ink which may be ordered in several colors such as yellow, magenta, blue or black. This latter feature is advantageous inasmuch as certain color inks may be more desirable for use with variously colored envelope assemblies.
  • the adhesive pattern 50 comprises a pressure sensitive adhesive
  • the antistick composition may comprise a conventional release liner or coating.
  • the pattern 52 may extend from an upper edge 46 (substantially underlying trim line 36) to a line adjacent trim line 44, thus extending slightly above and below the adhesive pattern 50 to insure that sealing flap is not caused to adhere to any portion of sheet 20 during the entire envelope forming and printing production process.
  • the front face of lower sheet 20 is also provided with strips 54, 56 and 58 of heat activatable adhesive extending along edges 26, 28 and perforation line 42, within the confines of the rear panel 48 of the envelope construction. It will be appreciated that when panels 38 and 48 are heat sealed along adhesive lines 54, 56 and 58 during the printing operation, an open-ended envelope pocket will be formed which can be closed by sealing flap 40 in a conventional manner. While the strips 54, 56 and 58 are shown applied to the front face of the rear panel 48, they may also be applied to the rearward face of front panel 38.
  • the heat activatable adhesive may be a waxy hot melt adhesive particularly designed for preapplied heat seal applications, such as that described herein.
  • One exemplary adhesive is sold by the H.B. Fuller Company as product No. HM-4199.
  • Other heat activatable adhesives may also be used.
  • FIGURE 5 a schematic diagram is presented which illustrates the sequence of events in a process according to an exemplary embodiment of the invention.
  • sheet feeder 70 feeds a pair of superimposed sheets 10, 20 preferably in continuous web form and secured together only along the adhesive line 30 adjacent the leading edge 12 of each envelope construction, to a non-impact printer 72.
  • FIGURE 1 shows the preferred feeding direction indicated by arrow 60 and noting that the adhesive line 30 extends transverse to the direction of feeding.
  • the blank envelope assembly of this invention has been specifically designed for use with non-impact printers and especially for non-impact printers having heat fusing toner based table or desk top printers, e.g., laser printers.
  • a business logo and/or address are printed, usually in the upper left hand portion of the front panel of each envelope (such as area 74 in FIGURE 1).
  • the continuous web then passes through heat fusing rolls, schematically indicated at 76, 78, which fix the toner and activate the heat sealable adhesive strips 54, 56, 58 in the border areas of each envelope to seal the front and rear panels so as to form an envelope pocket therebetween.
  • individual envelopes may be separated manually from the web by tearing along the perforation lines 32, 42 and trim lines 36 and 44. If in continuous form, an additional tear must be made along edges 18, 28.
  • the web may be fed to a trimmer 80 which removes at least the leading edge portion (between lines 32, 42 and edges 12, 22) of each envelope construction. Further trimming along lines 36, 44 may be done here, or the separated but only partially trimmed envelopes may be shipped to the customer for final trimming.
  • one (or both) of the web portions which do not form part of the envelope per se such as shown at 82 and 84 in Figures 1 and 2, respectively, may be utilized as vouchers, invoices, or other inserts for use with the envelopes.
  • FIGURES 1 and 2 represents a standard business envelope, formed within standard 81 ⁇ 2" by 11" (21.6cms by 27.9cms) paper sheets, or sections of continuous sheets.
  • FIGURES 3 and 4 a second embodiment of the invention is illustrated wherein a smaller envelope construction is formed within similar sized sheets or webs.
  • FIGURES 3 and 4 The envelope construction illustrated in FIGURES 3 and 4 is identical in every respect with that illustrated in FIGURES 1 and 2 with the exception of size of the envelope and its orientation relative to the feeding direction of the webs or sheets.
  • reference numerals in FIGURES 3 and 4 are identical to those used in FIGURES 1 and 2, with the addition of a prefatory "1.” Because of the identical construction, the embodiment shown in FIGURES 3 and 4 need not be described in detail. It is sufficient to indicate that the envelope has been reoriented relative to the webs or sheets 110, 120 so that the length dimension of the envelope extends transverse to the direction of feeding indicated by arrow 160, rather than parallel to the direction of feeding as in the case of the embodiment shown in FIGURES 1 and 2.
  • the envelope orientation is such as to maximize the use of existing edges of the webs or sheets and thereby minimize the amount of final trimming required.
  • the present invention provides a unique solution to the problem of producing standard or other size envelopes that can be printed in heat fused toner based table or desk top laser printers without the addition of a special envelope feed device, and further provides manufacturing economies by reducing the number of both process steps and pieces of equipment required to form finished envelopes.

Claims (15)

  1. Enveloppe (10, 20) partiellement formée, devant être utilisée sur une imprimante sans impact (72),
       comprenant une première feuille (10) comportant un panneau (38) de devant de l'enveloppe ;
       une deuxième feuille (20) comprenant un panneau (48) de derrière de l'enveloppe ; dans laquelle l'une desdites première et deuxième feuilles est pourvue d'une ligne (54, 56, 58) d'adhésif activable à chaud, le long d'au moins trois côtés du panneau, et le panneau de devant comprend, le long d'un quatrième bord, une partie formant volet de fermeture pliable, la partie (40) formant volet de fermeture portant de l'adhésif (50) sensible à la pression ou pouvant être réhumecté ;
       caractérisé en ce que les première et deuxième feuilles (10, 20) sont maintenues ensemble, uniquement par une ligne d'adhésif (30) située en dehors des panneaux de devant et de derrière (38, 48) et en ce qu'une partie du panneau de derrière, située directement sous la partie formant volet de fermeture (40), est pourvue d'une composition anti-adhésive (52).
  2. Enveloppe partiellement formée, selon la revendication 1, caractérisée en ce que l'une des première et deuxième feuilles (10, 20) comprend un insert d'enveloppe devant être imprimé sur ladite imprimante sans impact.
  3. Enveloppe partiellement formée, selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que la première et la deuxième feuilles sont incorporées dans une paire respective de bandes continues, chacune des feuilles étant définie en partie par des lignes de perforations (32, 42) s'étendant en travers des bandes respectives.
  4. Enveloppe partiellement formée, selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la ligne d'adhésif (30) unique se situe en dehors de lignes de perforations (32, 42) superposées et près de celles-ci qui définissent les bords principaux desdits panneaux d'enveloppe.
  5. Enveloppe partiellement formée, selon l'une quelconque des revendications 1 à 4, dans laquelle les panneaux d'enveloppe comportent au moins deux bords qui coïncident avec les bords correspondant des bandes ou feuilles.
  6. Procédé pour produire une enveloppe imprimée, comprenant les étapes consistant à :
    (a) aligner une paire de feuilles (10, 20) incorporant respectivement des panneaux de devant et de derrière d'enveloppe, superposés l'un à l'autre, l'une des feuilles (10, 20) étant pourvue dans des zones prédéterminées d'un adhésif (54, 56, 58) activable à chaud, correspondant aux parties formant bords périphériques de son panneau d'enveloppe, lesdites zones étant situées sur une face de l'une des feuilles (10, 20) qui est en contact avec une deuxième feuille de la paire de feuilles (10, 20) ;
    (b) introduire les feuilles superposées (10, 20) dans un moyen d'impression (72) sans impact, afin d'imprimer des informations sur au moins une face de l'une desdites feuilles, ledit moyen d'impression sans impact, comprenant des moyens de chauffage ;
    (c) caractérisé en ce qu'avant de réaliser l'étape (b), lesdites feuilles (10, 20) sont fixées ensemble le long d'un seul bord par une ligne d'adhésif, située en dehors des parties formant bords périphériques du panneau d'enveloppe, et en ce que les moyens de chauffage de l'imprimante (72) sont utilisés pour activer l'adhésif (54, 56, 58) activable à chaud, dans des zones prédéterminée, afin de sceller les feuilles ou bandes, formant ainsi le corps d'une enveloppe.
  7. Procédé selon la revendication 6, caractérisé en ce que lesdites feuilles (10, 20) sont fixées ensemble, le long d'un bord (12) d'entraînement.
  8. Procédé selon l'une quelconque des revendications 6 ou 7, dans lequel chacune des feuilles constitue une partie d'une bande continue de feuilles de ce type.
  9. Procédé selon l'une quelconque des revendications 6 à 8, caractérisé en ce que lesdites feuilles définissent des panneaux (38, 48) de devant et de derrière de ladite enveloppe, chacun desdits panneaux (38, 48) présentant une face frontale et une face arrière, le panneau de devant (38) incluant une partie (40) formant volet de fermeture pliable.
  10. Procédé selon la revendication 9, caractérisé en ce qu'avant de réaliser l'étape (b), la partie (40) formant volet de fermeture pliable est pourvue sur sa face arrière d'un adhésif (50) pouvant être réhumecté.
  11. Procédé selon l'une quelconque des revendications 6 à 10, dans lequel lesdits panneaux (38, 48) s'étendent dans le sens longitudinal, dans la direction d'alimentation.
  12. Procédé selon l'une quelconque des revendications 6 à 10, dans lequel lesdits panneaux s'étendent dans le sens longitudinal, dans une direction transversale à la direction d'alimentation.
  13. Procédé selon la revendication 10, dans lequel, avant de réaliser l'étape (b), le panneau de derrière (48) est pourvu, sur sa face avant, d'une composition (52) formant barrière à l'humidité dans une zone correspondant sensiblement à celle de l'adhésif (50) pouvant être réhumecté, sur la partie (40) formant volet de fermeture pliable.
  14. Procédé selon la revendication 13, dans lequel ladite barrière contre l'humidité comprend une encre à base de substance végétale.
  15. Procédé selon l'une quelconque des revendications 6 à 14, incluant en outre l'étape consistant à :
    (d) découper les feuilles (10, 20) pour séparer l'enveloppe de celles-ci.
EP89304539A 1988-05-20 1989-05-05 Enveloppe pour une imprimante de table Expired - Lifetime EP0342829B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19629988A 1988-05-20 1988-05-20
US196299 1988-05-20

Publications (3)

Publication Number Publication Date
EP0342829A2 EP0342829A2 (fr) 1989-11-23
EP0342829A3 EP0342829A3 (en) 1990-08-22
EP0342829B1 true EP0342829B1 (fr) 1994-08-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP89304539A Expired - Lifetime EP0342829B1 (fr) 1988-05-20 1989-05-05 Enveloppe pour une imprimante de table

Country Status (5)

Country Link
EP (1) EP0342829B1 (fr)
JP (1) JP2774311B2 (fr)
BR (1) BR8902355A (fr)
CA (1) CA1325621C (fr)
PT (1) PT90615A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164218A (en) * 1989-05-12 1992-11-17 Nippon Soken, Inc. Semiconductor device and a method for producing the same
DE19518107A1 (de) * 1995-05-17 1996-11-21 Drescher Geschaeftsdrucke Laserbedruckbares, einlagiges Papiererzeugnis
GB0403989D0 (en) * 2004-02-24 2004-03-31 Black Stephen P Stationery

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR325706A (fr) * 1902-10-23 1903-05-06 S Ecornes En Papier Perfectionnements aux machines à fabriquer les sacs en papier
US3476307A (en) * 1968-05-06 1969-11-04 Hans G Faltin Foldable mailing piece
US3952942A (en) * 1974-01-24 1976-04-27 Leary John W O Continuous form mailer with integral detachable insert material and return envelope
US4031818A (en) * 1974-10-16 1977-06-28 Gaf Corporation Apparatus for preparing sealed envelope units with messages
JPS52105027A (en) * 1976-02-28 1977-09-03 Toppan Printing Co Ltd Method of false-tamping printing sheets such as calendars
US4313557A (en) * 1980-05-14 1982-02-02 Berlin Industries, Inc. Envelope insert for magazines
JPS57174238A (en) * 1981-04-21 1982-10-26 Toppan Moore Kk Preparation of windowed letter
DE3144064A1 (de) * 1981-11-06 1983-05-19 Nederlandse Pillo-Pak Maatschappij B.V., 6961 Eerbeek Versandtasche
DE3508114C1 (de) * 1985-03-07 1986-05-22 O. T. Drescher GmbH, 7255 Rutesheim Verfahren zum Verkleben von Erzeugnissen aus Papier,Folien usw.,insbesondere von Beschriftungsblaettern

Also Published As

Publication number Publication date
EP0342829A2 (fr) 1989-11-23
BR8902355A (pt) 1990-01-09
CA1325621C (fr) 1993-12-28
PT90615A (pt) 1989-11-30
JP2774311B2 (ja) 1998-07-09
JPH0238033A (ja) 1990-02-07
EP0342829A3 (en) 1990-08-22

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