FR566059A - Hard-to-tear sheet of paper or cardboard - Google Patents

Hard-to-tear sheet of paper or cardboard

Info

Publication number
FR566059A
FR566059A FR566059DA FR566059A FR 566059 A FR566059 A FR 566059A FR 566059D A FR566059D A FR 566059DA FR 566059 A FR566059 A FR 566059A
Authority
FR
France
Prior art keywords
cardboard
paper
hard
tear sheet
tear
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)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR566059A publication Critical patent/FR566059A/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
    • B65D27/32—Opening devices incorporated during envelope manufacture
    • B65D27/38—Tearing-strings or -strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR566059D 1923-05-12 1923-05-12 Hard-to-tear sheet of paper or cardboard Expired FR566059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR566059T 1923-05-12

Publications (1)

Publication Number Publication Date
FR566059A true FR566059A (en) 1924-02-08

Family

ID=8946837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR566059D Expired FR566059A (en) 1923-05-12 1923-05-12 Hard-to-tear sheet of paper or cardboard

Country Status (1)

Country Link
FR (1) FR566059A (en)

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