US3000158A - Bag-tying apparatuses - Google Patents

Bag-tying apparatuses Download PDF

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Publication number
US3000158A
US3000158A US32256A US3225660A US3000158A US 3000158 A US3000158 A US 3000158A US 32256 A US32256 A US 32256A US 3225660 A US3225660 A US 3225660A US 3000158 A US3000158 A US 3000158A
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Prior art keywords
tape
bag
slide
tying
knife
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Expired - Lifetime
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US32256A
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Naslund Gustav
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • 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
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/02—Packaging of articles or materials in containers
    • B65B67/06—Manually-operable devices for closing bag necks, by applying and securing lengths of string, wire or tape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

Definitions

  • This invention relates to a bag-typing apparatus of the type wrapping a length of pressure-sensitive tape about the gathered or twisted top of bags of plastics or like materials for sealing said bags.
  • An object of the present invention is to provide an improved bag-tying apparatus of the kind referred to, which is easy to handle, reliable in operation, and permits quick and convenient tying of the bags with pressure-sensitive tape.
  • Another object of the invention is to provide an apparatus for tying bags with pressure-sensitive tape which comprises a casing, a reel for a pressure-sensitive tape supply roll, a guide wheel for said tape, registering U- shaped slots in facing side walls of said casing including an entry portion for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion for wrapping the length of tape about the gathered or twisted bag top, and a blind portion for finishing wrapping of the tape length about the bag top and severing the tape, slide means assisting in moving the gathered or twisted bag top through the intermediate portion of said registering U-shaped slots, and knife means so arranged as to sever the tape when the tied bag top is moved through the end of the blind portion of said U-shaped slots, the free tape end clinging to the side of the knife means facing the tacky side of the tape.
  • the essential characteristics of the invention are that the slide means which has a notch for accommodating the gathered or twisted top of the bag is arranged to be moved in a rectilinear path along rod or like guide means in the apparatus casing, and that the knife means is fixedly mounted in the apparatus casing in a position parallel with the path of movement of said slide means and spaced a small distance from the side of the said slide means having said notch and facing the knife means.
  • FIG. 1 is a side elevational view of the apparatus partly in section on line I-I in FIG. 2,
  • FIG. 2 is a section of the apparatus on line III in FIG. 1, showing a gathered or twisted top of a bag thrust into the apparatus for tying.
  • a reel 2 for a pressure-sensitive tape supply roll Rotatably mounted in the casing 1 of the bag-tying apparatus is a reel 2 for a pressure-sensitive tape supply roll.
  • registering substantially U-shaped slots 3 for drawing the gathered or twisted bag top therethrough to wrap a length of tape 7 about it.
  • These registering substantially U- shaped slots include an entry portion 4 for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion 5 for wrapping the length of tape about the gathered or twisted bag top, and a blind portion 6 for finishing wrapping of the tape length about the bag top and severing the tape.
  • the casing 1 also contains a slide 8 which has a notch 9 adapted to take up the gathered or twisted bag top and is shiftable along the intermediate portion 5 of said U- slots, and a knife 10 which is fixedly mounted in the casing 1 in a position parallel with the path of movement of the slide 8 and spaced a small distance from the side of said slide having said notch and facing the Patented Sept. 19, 1961- "ice knife.
  • the knife 10 is so disposed relative to the tape 7 taken from the supply roll that said tape-when the tape length used for tying a bag top is severed-will cling to the entire length of the knife 10 facing the tacky side of the tape 7.
  • the slide 8 having the notch 9 is adapted to be shifted in a rectilinear path along a rod or like guide 11 mounted in the apparatus casing 1 in a position parallel with the intermediate portion 5 of the U-slots 3.
  • the slide 8 is also guided by the inner sides of the apparatus casing 1 primarily through a projection 14 on the slide.
  • the apparatus has a guide wheel 12 or like means for the tape 7.
  • the turning or deviation point of said guide wheel 12 lies slightly beyond the plane in which the knife 10 is mounted. This arrangement will ensure that when the length of tape used for tying the bag is severed the free end of the tape will be pressed against the side of the knife 10 and cling thereto.
  • the slide 8 is under the load of a spring 13, which is interposed between a point of the apparatus casing 1 and the projection 14 on the slide 8, and is shiftable in the bag-tying direction against the action of said spring 13. After each bag-tying operation the spring 13 will therefore return the slide 8 to its initial position, a shock absorber 15, preferably a washer of rubber or like material, damping this return movement of the slide 8.
  • An apparatus for tying bags with pressure-sensitive tape which comprises a casing, a reel for a pressure-sensitive tape supply roll, a guide wheel for said tape, registering U-shaped slots in facing side walls of said casing including an entry portion for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion for wrapping the length of tape about the gathered or twisted bag top, and a blind portion for finishing wrapping of the tape length about the bag top and severing the tape, slide means assisting in moving the gathered or twisted bag top through the intermediate portion of said registering U-shaped slots, and knife means so arranged as to sever the tape when the tied bag top is moved through the end of the blind portion of said U-shaped slots, the free tape end clinging to the side of the knife means facing the tacky side of the tape, characterized by the fact that the slide means which has a notch for accommodating the gathered or r 3 twisted top of the bag is arranged to be moved in a rectilinear path
  • An apparatus as claimed in claim 1 characterized by the fact that it has a guide wheel or like means for the tape, the turning or deviation point of said guide wheel lying slightly beyond the plane in which the knife is mounted.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Apparatuses For Manual Packaging Operations (AREA)

Description

Sept. 19, 1961 G. NASLUND 3,000,158
BAG-TYING APPARATUSES Filed May 27, 1960 INVENTOR BY ifi zuQlmcx-s AIlORNEY United States Patent 3,000,158 BAG-TYING APPARATUSES Gustav Niislund, Fack 29, Korstrask, Sweden Filed May 27, 1960, Ser. No. 32,256 Claims priority, application Sweden May 29, 1959 3 Claims. (Cl. 53-198) This invention relates to a bag-typing apparatus of the type wrapping a length of pressure-sensitive tape about the gathered or twisted top of bags of plastics or like materials for sealing said bags.
An object of the present invention is to provide an improved bag-tying apparatus of the kind referred to, which is easy to handle, reliable in operation, and permits quick and convenient tying of the bags with pressure-sensitive tape.
Another object of the invention is to provide an apparatus for tying bags with pressure-sensitive tape which comprises a casing, a reel for a pressure-sensitive tape supply roll, a guide wheel for said tape, registering U- shaped slots in facing side walls of said casing including an entry portion for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion for wrapping the length of tape about the gathered or twisted bag top, and a blind portion for finishing wrapping of the tape length about the bag top and severing the tape, slide means assisting in moving the gathered or twisted bag top through the intermediate portion of said registering U-shaped slots, and knife means so arranged as to sever the tape when the tied bag top is moved through the end of the blind portion of said U-shaped slots, the free tape end clinging to the side of the knife means facing the tacky side of the tape. The essential characteristics of the invention are that the slide means which has a notch for accommodating the gathered or twisted top of the bag is arranged to be moved in a rectilinear path along rod or like guide means in the apparatus casing, and that the knife means is fixedly mounted in the apparatus casing in a position parallel with the path of movement of said slide means and spaced a small distance from the side of the said slide means having said notch and facing the knife means.
Further objects of the invention and the advantages gained thereby will become apparent from the following description, reference being made to the accompanying drawing which illustrates an embodiment of the apparatus, chosen by way of example. In the drawing:
FIG. 1 is a side elevational view of the apparatus partly in section on line I-I in FIG. 2,
FIG. 2 is a section of the apparatus on line III in FIG. 1, showing a gathered or twisted top of a bag thrust into the apparatus for tying.
Rotatably mounted in the casing 1 of the bag-tying apparatus is a reel 2 for a pressure-sensitive tape supply roll. In facing side walls of the casing are provided registering substantially U-shaped slots 3 for drawing the gathered or twisted bag top therethrough to wrap a length of tape 7 about it. These registering substantially U- shaped slots include an entry portion 4 for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion 5 for wrapping the length of tape about the gathered or twisted bag top, and a blind portion 6 for finishing wrapping of the tape length about the bag top and severing the tape. The casing 1 also contains a slide 8 which has a notch 9 adapted to take up the gathered or twisted bag top and is shiftable along the intermediate portion 5 of said U- slots, and a knife 10 which is fixedly mounted in the casing 1 in a position parallel with the path of movement of the slide 8 and spaced a small distance from the side of said slide having said notch and facing the Patented Sept. 19, 1961- "ice knife. The knife 10 is so disposed relative to the tape 7 taken from the supply roll that said tape-when the tape length used for tying a bag top is severed-will cling to the entire length of the knife 10 facing the tacky side of the tape 7.
According to the invention the slide 8 having the notch 9 is adapted to be shifted in a rectilinear path along a rod or like guide 11 mounted in the apparatus casing 1 in a position parallel with the intermediate portion 5 of the U-slots 3. The slide 8 is also guided by the inner sides of the apparatus casing 1 primarily through a projection 14 on the slide.
The apparatus has a guide wheel 12 or like means for the tape 7. In the embodiment illustrated the turning or deviation point of said guide wheel 12 lies slightly beyond the plane in which the knife 10 is mounted. This arrangement will ensure that when the length of tape used for tying the bag is severed the free end of the tape will be pressed against the side of the knife 10 and cling thereto.
The slide 8 is under the load of a spring 13, which is interposed between a point of the apparatus casing 1 and the projection 14 on the slide 8, and is shiftable in the bag-tying direction against the action of said spring 13. After each bag-tying operation the spring 13 will therefore return the slide 8 to its initial position, a shock absorber 15, preferably a washer of rubber or like material, damping this return movement of the slide 8.
The operation of the bag-tying apparatus will now be described more in detail. The gathered or twisted top of the bag is thrust through the entry portion 4 of the registering U-shaped slots 3 in the apparatus casing 1 to engage the tape 7 and to enter the notch 9 in the slide 8, the tape 7 thus being partly wrapped about the bag top. While still lying in said notch 9 the bag top is drawn through the intermediate portion 5 of the registering U-slots 3 and at the entrance to the blind portion 6 of the U-slots the bag top is moved out of said notch 9 in the slide 8 which will therefore be returned to its initial position by the spring 13. As the bag top is drawn upwards through said blind portion 6 of the U-slots the wrapping of the tape 7 about it is completed, and when the bag top reaches the upper end of said portion 6 the tape will be severed by the knife 10, and the free tape end pressed against the side of the knife, whereupon the tied bag is withdrawn laterally from the bag-tying apparatus.
The above embodiment of the invention was described for purpose of illustration rather than limitation. All possible variations and modifications of the invention are understood as being included within the spirit and scope of the appendant claims.
What I claim and desire to secure by Letters Patent is:
1. An apparatus for tying bags with pressure-sensitive tape which comprises a casing, a reel for a pressure-sensitive tape supply roll, a guide wheel for said tape, registering U-shaped slots in facing side walls of said casing including an entry portion for thrusting the gathered or twisted bag top therethrough to engage it with a length of tape, an intermediate portion for wrapping the length of tape about the gathered or twisted bag top, and a blind portion for finishing wrapping of the tape length about the bag top and severing the tape, slide means assisting in moving the gathered or twisted bag top through the intermediate portion of said registering U-shaped slots, and knife means so arranged as to sever the tape when the tied bag top is moved through the end of the blind portion of said U-shaped slots, the free tape end clinging to the side of the knife means facing the tacky side of the tape, characterized by the fact that the slide means which has a notch for accommodating the gathered or r 3 twisted top of the bag is arranged to be moved in a rectilinear path along rod or like guide means in the apparatus casing, and that the knife means is fixedly mounted in the apparatus casing in a position parallel with the path of movement of said slide means and spaced a small distance from the side of the said slide means having said notch and facing the knife means.
2. An apparatus as claimed in claim 1, characterized by the fact that it has a guide wheel or like means for the tape, the turning or deviation point of said guide wheel lying slightly beyond the plane in which the knife is mounted.
3. An apparatus as claimed in claim 1, characterized by the fact that the slide means is under the load of a spring, which is interposed between a point of the apparatus casing and a projection on the slide means, and is shiftable in the bag-tying direction against the action of said spring, a shock absorber being arranged to dampen the return movement of said slide means to the initial position thereof. 7
References Cited in the file of this patent UNITED STATES PATENTS
US32256A 1959-05-29 1960-05-27 Bag-tying apparatuses Expired - Lifetime US3000158A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175338A (en) * 1962-05-23 1965-03-30 Ahlgren Myron Device for closing sacks or the like
DE3515486A1 (en) * 1985-04-30 1985-09-05 Daimler-Benz Ag, 7000 Stuttgart Bag closer
BE1013749A3 (en) * 2000-10-11 2002-07-02 Device for applying a binding agent around bags or similar

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882663A (en) * 1956-04-24 1959-04-21 Charles R Leighton Bag-tying machines
US2916863A (en) * 1954-12-09 1959-12-15 Charles R Leighton Bag tying machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058427B (en) * 1955-07-18 1959-05-27 Minnesota Mining & Mfg Device for wrapping a tape around the perimeter of an object
US2787102A (en) * 1955-10-27 1957-04-02 Derby Sealers Inc Bag-tying machines
GB807665A (en) * 1956-03-12 1959-01-21 Derby Sealers Inc A bag-tying machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916863A (en) * 1954-12-09 1959-12-15 Charles R Leighton Bag tying machine
US2882663A (en) * 1956-04-24 1959-04-21 Charles R Leighton Bag-tying machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175338A (en) * 1962-05-23 1965-03-30 Ahlgren Myron Device for closing sacks or the like
DE3515486A1 (en) * 1985-04-30 1985-09-05 Daimler-Benz Ag, 7000 Stuttgart Bag closer
BE1013749A3 (en) * 2000-10-11 2002-07-02 Device for applying a binding agent around bags or similar

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DE1139429B (en) 1962-11-08

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