DE181034C - - Google Patents

Info

Publication number
DE181034C
DE181034C DENDAT181034D DE181034DA DE181034C DE 181034 C DE181034 C DE 181034C DE NDAT181034 D DENDAT181034 D DE NDAT181034D DE 181034D A DE181034D A DE 181034DA DE 181034 C DE181034 C DE 181034C
Authority
DE
Germany
Prior art keywords
monogram
envelopes
envelope
marked
steam
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.)
Active
Application number
DENDAT181034D
Other languages
German (de)
Publication of DE181034C publication Critical patent/DE181034C/de
Active legal-status Critical Current

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
    • B65D27/12—Closures
    • B65D27/30—Closures with special means for indicating unauthorised opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Description

BEM.JN, CEDRUCST JN PER REICHSDRUCKEREI.BEM.JN, CEDRUCST JN PER REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Einrichtung an Briefumschlägen zum Anzeigen des versuchten Öffnens mittels Dampf, dadurch gekennzeichnet, daß der Briefumschlag an der über dem Klebstoff liegenden Außenfläche mit einem Zeichen (Monogramm, Zierleiste oder dergl.) aus einer unter ioo° C. schmelzenden Metalllegierung versehen ist. ■Device on envelopes to indicate the attempted opening by means of Steam, characterized in that the envelope is marked with a mark on the outer surface overlying the adhesive (Monogram, decorative strip or the like.) Made of a metal alloy that melts below 100 ° C is provided. ■
DENDAT181034D Active DE181034C (en)

Publications (1)

Publication Number Publication Date
DE181034C true DE181034C (en)

Family

ID=445248

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT181034D Active DE181034C (en)

Country Status (1)

Country Link
DE (1) DE181034C (en)

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