FR1154763A - Improvements to security closures for letters - Google Patents

Improvements to security closures for letters

Info

Publication number
FR1154763A
FR1154763A FR1154763DA FR1154763A FR 1154763 A FR1154763 A FR 1154763A FR 1154763D A FR1154763D A FR 1154763DA FR 1154763 A FR1154763 A FR 1154763A
Authority
FR
France
Prior art keywords
letters
security closures
closures
security
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
Application number
Other languages
French (fr)
Inventor
Hugo Mueller
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 filed Critical
Application granted granted Critical
Publication of FR1154763A publication Critical patent/FR1154763A/en
Expired 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
    • B65D27/20—Closures using self-locking integral or attached elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1154763D 1956-04-11 1956-07-11 Improvements to security closures for letters Expired FR1154763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1154763X 1956-04-11

Publications (1)

Publication Number Publication Date
FR1154763A true FR1154763A (en) 1958-04-16

Family

ID=4560353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154763D Expired FR1154763A (en) 1956-04-11 1956-07-11 Improvements to security closures for letters

Country Status (1)

Country Link
FR (1) FR1154763A (en)

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