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GB643402A - Tear tape, the use and assembly thereof - Google Patents

Tear tape, the use and assembly thereof

Info

Publication number
GB643402A
GB643402A GB2454/48A GB245448A GB643402A GB 643402 A GB643402 A GB 643402A GB 2454/48 A GB2454/48 A GB 2454/48A GB 245448 A GB245448 A GB 245448A GB 643402 A GB643402 A GB 643402A
Authority
GB
United Kingdom
Prior art keywords
assembly
tear tape
wax
wrapper
perforations
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
GB2454/48A
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.)
Wingfoot Corp
Original Assignee
Wingfoot Corp
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 Wingfoot Corp filed Critical Wingfoot Corp
Publication of GB643402A publication Critical patent/GB643402A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/184—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying tabs over discharge openings, e.g. over discharge openings defined by tear or score lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Abstract

643,402. Perforating non-metallic sheet material. WINGFOOT CORPORATION. Jan. 27, 1948, No. 2454. Convention date, July 9, 1947. [Class 31 (ii)] [Also in Group XVII] A line of perforations 6 is formed in a wrapper by a rotary tool 10, the pointed portions 11 of which are coated with molten wax so that as each perforation is completed it is sealed by a minute droplet of wax.
GB2454/48A 1947-07-09 1948-01-27 Tear tape, the use and assembly thereof Expired GB643402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US643402XA 1947-07-09 1947-07-09

Publications (1)

Publication Number Publication Date
GB643402A true GB643402A (en) 1950-09-20

Family

ID=22055257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2454/48A Expired GB643402A (en) 1947-07-09 1948-01-27 Tear tape, the use and assembly thereof

Country Status (1)

Country Link
GB (1) GB643402A (en)

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