GB472388A - Improvements in or relating to apparatus for producing wrappers provided with tearing-strips - Google Patents

Improvements in or relating to apparatus for producing wrappers provided with tearing-strips

Info

Publication number
GB472388A
GB472388A GB1824837A GB1824837A GB472388A GB 472388 A GB472388 A GB 472388A GB 1824837 A GB1824837 A GB 1824837A GB 1824837 A GB1824837 A GB 1824837A GB 472388 A GB472388 A GB 472388A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
strip
loops
web
wrappers
tearing
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
GB1824837A
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.)
ROSE BROTHERS GAINSBOROUGH Ltd
Original Assignee
ROSE BROTHERS GAINSBOROUGH Ltd
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74Auxiliary operations
    • B31B50/81Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125Applying strips or strings, e.g. tear strips or strings
    • B31B50/8126Applying strips or strings, e.g. tear strips or strings parallel to the direction of movement of the webs or the blanks

Abstract

472,388. Wrapping-machines. ROSE, A. G., and ROSE BROS. (GAINSBOROUGH), Ltd. Feb. 21, 1936, No. 18248/37. Divided out of 472,314. [Class 94 (i)] The machine produces wrappers provided with tearing strips, e.g. of the kind described in Specification 437,207. According to the invention, a continuous narrow strip is fed into predetermined adherent engagement with the web of wrapping material, and a series of loops is formed in the tearing strip, so that on severance along a line coinciding with one end of each loop, a series of wrappers is formed and the extra material provided by the loop enables the strip to project from the edge of the wrapper. A web 10 is fed around a roller 35a to a pressure roll 13 which applies it to a drum 14 rotated as described in Specification 472,314. A thin line of adhesive is applied to the web by the periphery of a gumming wheel 32. The tearing strip is fed round a roll 44 on to the drum, and is formed into loops by a roller 45 having a projection 46 forcing the material into recesses 47 in the drum. The loops are retained by fingers 48, Fig. 3, which are moved into the recesses by cam action in a direction parallel to the axis of the roller 45. The recesses are arranged between slots 42 which accommodate knives 40 on a roll 26 for forming the cuts 41, Fig. 5, on each side of the strip. A heating device 36 ensures adhesion of the strip to the web. Knives 27 sever the web along the line 54 in separate wrappers, the line of severance coinciding with the ends of the cuts 41 and one end of the loops 52. When the loops are flattened they project beyond the ends of the wrappers.
GB1824837A 1936-02-21 1936-02-21 Improvements in or relating to apparatus for producing wrappers provided with tearing-strips Expired GB472388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1824837A GB472388A (en) 1936-02-21 1936-02-21 Improvements in or relating to apparatus for producing wrappers provided with tearing-strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1824837A GB472388A (en) 1936-02-21 1936-02-21 Improvements in or relating to apparatus for producing wrappers provided with tearing-strips

Publications (1)

Publication Number Publication Date
GB472388A true true GB472388A (en) 1937-09-21

Family

ID=10109198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1824837A Expired GB472388A (en) 1936-02-21 1936-02-21 Improvements in or relating to apparatus for producing wrappers provided with tearing-strips

Country Status (1)

Country Link
GB (1) GB472388A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614523A (en) * 1949-12-22 1952-10-21 Gummed Products Company Gummed tape serving and moistening mechanism
US2646837A (en) * 1948-11-09 1953-07-28 Brandenburg Hermetic package sealing machine
US2786510A (en) * 1954-09-07 1957-03-26 Mid States Gummed Paper Co Filament tape machine and method
US2869438A (en) * 1954-09-20 1959-01-20 Paper Strap Inc Machine for attaching handles to cartons
US3777632A (en) * 1972-08-22 1973-12-11 Fmc Corp Sleeve making apparatus and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646837A (en) * 1948-11-09 1953-07-28 Brandenburg Hermetic package sealing machine
US2614523A (en) * 1949-12-22 1952-10-21 Gummed Products Company Gummed tape serving and moistening mechanism
US2786510A (en) * 1954-09-07 1957-03-26 Mid States Gummed Paper Co Filament tape machine and method
US2869438A (en) * 1954-09-20 1959-01-20 Paper Strap Inc Machine for attaching handles to cartons
US3777632A (en) * 1972-08-22 1973-12-11 Fmc Corp Sleeve making apparatus and method

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