US3835755A - Bag tie dispenser - Google Patents

Bag tie dispenser Download PDF

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Publication number
US3835755A
US3835755A US00343451A US34345173A US3835755A US 3835755 A US3835755 A US 3835755A US 00343451 A US00343451 A US 00343451A US 34345173 A US34345173 A US 34345173A US 3835755 A US3835755 A US 3835755A
Authority
US
United States
Prior art keywords
bag
strip
supporting means
adhesive
roll
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 - Lifetime
Application number
US00343451A
Other languages
English (en)
Inventor
E Jones
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.)
NATIONAL TRUST Co A TRUST Co OF ONTARIO
Original Assignee
Canadian Industries 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
Application filed by Canadian Industries Ltd filed Critical Canadian Industries Ltd
Application granted granted Critical
Publication of US3835755A publication Critical patent/US3835755A/en
Assigned to C-I-L- INC., reassignment C-I-L- INC., CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE 01/01/80 Assignors: CANADIAN INDUSTRIES LIMITED
Assigned to AT PLASTICS INC. reassignment AT PLASTICS INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: C-I-L INC.
Assigned to NATIONAL TRUST COMPANY AS TRUSTEES reassignment NATIONAL TRUST COMPANY AS TRUSTEES MORTGAGE (SEE DOCUMENT FOR DETAILS). JUNE 16, 1989 Assignors: AT PLASTICS INC.
Assigned to NATIONAL TRUST COMPANY A TRUST COMPANY OF ONTARIO reassignment NATIONAL TRUST COMPANY A TRUST COMPANY OF ONTARIO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AT PLASTICS INC., A CORPORATION OF ONTARIO
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8136—Applying strings; Making string-closed bags the strings being applied in the cross direction
    • 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
    • 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
    • B31B50/8129—Applying strips or strings, e.g. tear strips or strings the webs or blanks moving during application of the strips or strings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means

Definitions

  • the apparatus is suitable for use at the output of a bag making machine, means being provided to at- [5 3 References Cited tach the bag tie to a moving bag in correct register UNITED STATES PATENTS the bag 9 2,995,174 8/1961 Wang 156/519 8 Claims, 3 Drawing Figures aaa'mss PAIENIED sen 71924 sum 1 ur 2 PAIENIEUSEPITIQYI 3335.155
  • Bags are used extensively as containers for a variety of products. Frequently this use requires that the bag be closed by means of a tie. Such ties may be of wire enclosed within paper tape, or be strips of flexible sheet plastic. 1t is usual to include a group of ties with such bags when they are sold to the public, the ties being enclosed as separate articles with the package of bags. This is common practice with bags intended for domestic use as containers for food, and also with bags used to handle garbage.
  • the present invention provides an apparatus that forms strips of flexible material and attaches such strips to bags with adhesive in position appropriate to serve as ties to close the bags.
  • the primary object of this invention is to provide a means for the rapid attachment of bag ties to bags.
  • An additional object is to provide a means for preparing bag ties from plastic sheet material. Further objects will appear hereinafter.
  • the apparatus of this invention comprises 1. means for providing a strip of flexible material,
  • a preferred embodiment of the apparatus of this invention comprises 1. means for cutting a strip from a length of flexible material to form a bag tie, said cutting means being located adjacent to a bag supporting means,
  • guide means adapted to guide the strip on to the surface of a bag supported by the supporting means
  • pressing means adapted to press the adhesive carrying surface of the strip against the bag on the supporting means.
  • the adhesive will be applied to the central part of the strip.
  • FIG. 1 is a view, partly diagrammatical, of the apparatus showing a cut strip of material passing between a strip cutting device and a roll carrying the bag to which it will be attached,
  • FIG. 2 is a side elevation of a strip cutting device
  • FIG. 3 is a schematic diagram of the electricalpneumatic control system of the apparatus.
  • Roll 1 can conveniently be an element of the bag folding and stacking machine disclosed in Canadian Pat. application No. 101,336 filed on Dec. 22, 1970 in the names of E. D. Jones and D. E. Scuffell (corresponding to British application No. 55494/71).
  • a strip of plastic film issuing from a strip cutting device shown generally at 4. The operations of roll 1 and strip cutting device 4 are synchronized so that strip 3 falls on the length of bags intermediate two transverse lines of perforations and adjacent to a bag mouth.
  • a gun adapted to eject a small portion of adhesive onto the under surface of strip 3.
  • gun 5 is synchronized with the operation of cutting device 4 so that the adhesive will land on the central part of strip 3.
  • movable roll 6 is moved into contact with the strip and bag, forcing the strip into close contact with the bag and making an adhesive bond between the two.
  • Roll 6 is then withdrawn.
  • Strip cutting device 4 functions to cut strips of film from a length of plastic film.
  • the length of film is shown at 7.
  • a preselected length of film is metered by rolls 8 and 9.
  • Upper roll 8 is driven intermittently through the action of arm 10 connected to said roll through unidirectional clutch 11.
  • the outer extremity of arm 10 is linked to the piston of air cylinder-piston unit 12 through clevis 13, so that the action of unit 12 drives roll 8.
  • Roll 8 turns in bearings carried by side plates 14 and 15.
  • ratchet wheel 16 To the opposite end of roll 8 is attached ratchet wheel 16. The rotation of 16 is controlled by cooperating pawl 17 pivotted on shaft 18. Pawl 17 is lifted out of engagement with ratchet wheel 16 by the action of the piston of air cylinder-piston unit 19. Pawl 17 is urged into e engagement with ratchet wheel 16 by means of a spring not shown. The function of ratchet wheel 16 and cooperating pawl 17 is to control reproducibly the amount of film metered by rolls 8 and 9.
  • Lower roll 9 is mounted in bearings carried at the extremities of arms 20. Arms 20 are attached to cross shaft 21 which is joumalled in bearings in side plates 14, 15. To the outer end of shaft 21 is attached arm 22. The free end of arm 22 is linked to the piston of air cylinder-piston unit 24 through clevis 23 attached to the piston. Through the action of 24 roll 9 is kept in engagement with roll 8 or it can be lowered so that film 7 may be threaded between the rolls.
  • Knife blade 26 is carried by knife support 27 which is attached to side plates 14, 15 of the apparatus.
  • Knife blade 25 is carried by knife support 28 which is pivota bly mounted at 29 in knife support frame 30.
  • Frame 30 slides vertically, being guided by four rollers 31 mounted in front plate 32, and two pinions 33. The two pinions are carried by cross shaft 34 and mesh with rack bars 35 mounted on frame 30.
  • the motion of knife frame support 30 and its knife blade 25 is effected by air cylinder-piston unit 36 which is mounted on top plate 37 of the apparatus.
  • the piston of 36 is linked to clevis 38 carried by the upper cross piece of frame 30.
  • Air cylinder-piston unit 39 is mounted on the lower cross piece of frame 30 with its piston linked to a projection of pivotted knife support 28. Air cylinder-piston unit 39'functions to press upper knife blade 25 agains lower knife blade 26 during the cutting of the film, thus facilitating the cutting action.
  • the operation of the apparatus is coordinated by a pneumatic-electrical control system as illustrated in FIG. 3. Operation is initiated by a pulsed signal from the machine that processes the bags. This may be a bag folding and stacking machine. The timing of this pulse is synchronized with the operation of the machine delivering bags to the bag support roll 1 in order to ensure that the bag tie will be attached to the desired position on the bag, i.e., adjacent to the bag opening.
  • a pulsed signal from the machine that processes the bags.
  • This may be a bag folding and stacking machine.
  • the timing of this pulse is synchronized with the operation of the machine delivering bags to the bag support roll 1 in order to ensure that the bag tie will be attached to the desired position on the bag, i.e., adjacent to the bag opening.
  • knife blade 25 is in the lower position, having just cut off a strip of film which is held by guides 40 and 41.
  • movable roll 6 will be withdrawn from contact with roll 1.
  • cam operated microswitch 45 When knife blade 25 rises cam operated microswitch 45 is actuated energizing the solenoid of air valve V2. Valve V2. then directs air to pulser 46, actuating air cylinder-piston unit 19 briefly to cause the momentary lifting of pawl 17 from ratched wheel 16. Air cylinderpiston unit 12 at the same time is actuated by air from V.2 lifting arm and causing the partial rotation of film metering roll 8.
  • the cam operating switch 45 passes this switch the switch opens causing the reversal of valve V.2. This causes the arm 10 of roll 8 to return to its original position, roll 8 remaining fixed in position due to the action of unidirectional clutch 1 1. The result of these operations is that film equivalent to the width of a bag tie has been advanced between open knife blades and 26.
  • the first air valve V.l When the initiating pulsed signal ceases the first air valve V.l is reversed, reversing the air supply to air cylinder-piston units 36 and 39 causing knife blade 25 to cut off the strip of film that has been advanced between knife blades 25 and 26. The cut off strip is then held by guides 40 and 41.
  • the first air valve V.1 also feeds air to air cylinder-piston unit 44 controlling the position of movable roll 6, withdrawing this from contact with roll 1. The cycle can now be repeated upon reception of another initiating signal from the machine processing the bags.
  • Air valves V.1 and V.2 are both 4-way solenoid actuated, spring return valves.
  • Controls are provided so that first air valve V.l can be actuated manually, permitting manual operation of the apparatus. Also a manually operated air valve is provided to control air cylinder-piston unit 24 which controls the position of lower roll 9.
  • the apparatus will also be provided with a safety guard which is adapted to disable the supply of air operating knife blade 25. Air of p.s.i.g. pressure is suitable for the operation of the apparatus.
  • An Apparatus for forming bag ties and attaching said ties to a bag comprising 1. cooperating upper and lower knife blades adapted to cut a strip from a length of flexible material to form a bag tie,
  • adhesive applicator adapted to apply a portion of adhesive to the surface of the strip
  • guide means adapted to grasp the strip when the upper and lower knife blades are in cutting contact and to guide the cut strip on to the surface of a bag supported by the bag supporting means
  • rotatable roll adapted to be urged toward the bag supporting means thereby to press the adhesive carrying surface of the strip against the bag supported by the bag supporting means.
  • An apparatus as claimed in claim 1 wherein there are provided cooperating upper and lower metering rolls adapted to advance a predetermined length of flexible material between the upper and lower knife blades in a position to be cut thereby to form a bag tie.
  • An apparatus as claimed in claim 1 wherein means are provided to actuate the rotatable roll in synchronisation with the operation of a machine delivering bags to the supporting means so that the bag tie is attached to the bag at a predetermined position.

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  • Making Paper Articles (AREA)
US00343451A 1972-04-10 1973-03-21 Bag tie dispenser Expired - Lifetime US3835755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1640172A GB1422779A (en) 1972-04-10 1972-04-10 Bag tie dispenser

Publications (1)

Publication Number Publication Date
US3835755A true US3835755A (en) 1974-09-17

Family

ID=10076664

Family Applications (1)

Application Number Title Priority Date Filing Date
US00343451A Expired - Lifetime US3835755A (en) 1972-04-10 1973-03-21 Bag tie dispenser

Country Status (8)

Country Link
US (1) US3835755A (de)
JP (1) JPS5722747B2 (de)
AU (1) AU472468B2 (de)
CA (1) CA990114A (de)
DE (1) DE2317189A1 (de)
FR (1) FR2179853B1 (de)
GB (1) GB1422779A (de)
IT (1) IT981909B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU670134B2 (en) * 1989-08-04 1996-07-04 Marrelli, John C. Plastic film bag manufacturing and methods, and plastic film bags produced thereby

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555287U (de) * 1978-06-28 1980-01-14
US4854735A (en) * 1987-11-04 1989-08-08 Ironclad, Corporation Plastic film bag with integral plastic film tie element, and associated fabrication methods
JPH02175101A (ja) * 1988-07-26 1990-07-06 Yamaha Corp 化粧材の製法
WO2020080330A1 (ja) 2018-10-16 2020-04-23 Thk株式会社 人型ロボット

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995174A (en) * 1957-07-20 1961-08-08 Wang Herman Machine for producing bags with at least one closing clip
US3099237A (en) * 1961-01-19 1963-07-30 Bemis Bro Bag Co Method of making bags
US3355995A (en) * 1964-12-31 1967-12-05 American Can Co Tape applying apparatus and method
US3411418A (en) * 1965-01-26 1968-11-19 G D Sas Di Enzo E Ariosto Sera Mechanism for applying tear strips or small ribbons upon a ribbon composed of a wrapping material
US3579397A (en) * 1966-08-16 1971-05-18 Windmoeller & Hoelscher Process of manufacturing bags having tear strips and consisting of synthetic thermoplastics
US3773591A (en) * 1971-02-01 1973-11-20 Coloroll Ltd Manufacture of carrier bags
US3794545A (en) * 1972-02-10 1974-02-26 Mobil Oil Corp Tie-band applicator apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995174A (en) * 1957-07-20 1961-08-08 Wang Herman Machine for producing bags with at least one closing clip
US3099237A (en) * 1961-01-19 1963-07-30 Bemis Bro Bag Co Method of making bags
US3355995A (en) * 1964-12-31 1967-12-05 American Can Co Tape applying apparatus and method
US3411418A (en) * 1965-01-26 1968-11-19 G D Sas Di Enzo E Ariosto Sera Mechanism for applying tear strips or small ribbons upon a ribbon composed of a wrapping material
US3579397A (en) * 1966-08-16 1971-05-18 Windmoeller & Hoelscher Process of manufacturing bags having tear strips and consisting of synthetic thermoplastics
US3773591A (en) * 1971-02-01 1973-11-20 Coloroll Ltd Manufacture of carrier bags
US3794545A (en) * 1972-02-10 1974-02-26 Mobil Oil Corp Tie-band applicator apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU670134B2 (en) * 1989-08-04 1996-07-04 Marrelli, John C. Plastic film bag manufacturing and methods, and plastic film bags produced thereby

Also Published As

Publication number Publication date
AU472468B2 (en) 1976-05-27
FR2179853B1 (de) 1978-07-13
FR2179853A1 (de) 1973-11-23
IT981909B (it) 1974-10-10
JPS4948496A (de) 1974-05-10
AU5331773A (en) 1974-09-19
GB1422779A (en) 1976-01-28
CA990114A (en) 1976-06-01
DE2317189A1 (de) 1973-10-18
JPS5722747B2 (de) 1982-05-14

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Legal Events

Date Code Title Description
AS Assignment

Owner name: C-I-L- INC.,

Free format text: CHANGE OF NAME;ASSIGNOR:CANADIAN INDUSTRIES LIMITED;REEL/FRAME:005026/0319

Effective date: 19790926

AS Assignment

Owner name: AT PLASTICS INC., CANADA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:C-I-L INC.;REEL/FRAME:005156/0012

Effective date: 19890615

Owner name: NATIONAL TRUST COMPANY AS TRUSTEES

Free format text: MORTGAGE;ASSIGNOR:AT PLASTICS INC.;REEL/FRAME:005156/0016

Effective date: 19890616

AS Assignment

Owner name: NATIONAL TRUST COMPANY A TRUST COMPANY OF ONTARIO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AT PLASTICS INC., A CORPORATION OF ONTARIO;REEL/FRAME:005822/0255

Effective date: 19901004