CA971893A - Tear strip for packages - Google Patents

Tear strip for packages

Info

Publication number
CA971893A
CA971893A CA157,328A CA157328A CA971893A CA 971893 A CA971893 A CA 971893A CA 157328 A CA157328 A CA 157328A CA 971893 A CA971893 A CA 971893A
Authority
CA
Canada
Prior art keywords
packages
tear strip
tear
strip
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
CA157,328A
Other versions
CA157328S (en
Inventor
George A. Skinner
Christopher Peck
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
Priority to CA157,328A priority Critical patent/CA971893A/en
Priority to GB2681473A priority patent/GB1436264A/en
Application granted granted Critical
Publication of CA971893A publication Critical patent/CA971893A/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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings
    • B31B50/8126—Applying strips or strings, e.g. tear strips or strings parallel to the direction of movement of the webs or the blanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CA157,328A 1972-06-08 1972-11-23 Tear strip for packages Expired CA971893A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA157,328A CA971893A (en) 1972-11-23 1972-11-23 Tear strip for packages
GB2681473A GB1436264A (en) 1972-06-08 1973-06-05 Wrapping material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA157,328A CA971893A (en) 1972-11-23 1972-11-23 Tear strip for packages

Publications (1)

Publication Number Publication Date
CA971893A true CA971893A (en) 1975-07-29

Family

ID=4095075

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,328A Expired CA971893A (en) 1972-06-08 1972-11-23 Tear strip for packages

Country Status (1)

Country Link
CA (1) CA971893A (en)

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