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PE20210742A1 - METHOD AND APPARATUS TO MANUFACTURE A STORAGE BAG, AND STORAGE BAG - Google Patents

METHOD AND APPARATUS TO MANUFACTURE A STORAGE BAG, AND STORAGE BAG

Info

Publication number
PE20210742A1
PE20210742A1 PE2021000220A PE2021000220A PE20210742A1 PE 20210742 A1 PE20210742 A1 PE 20210742A1 PE 2021000220 A PE2021000220 A PE 2021000220A PE 2021000220 A PE2021000220 A PE 2021000220A PE 20210742 A1 PE20210742 A1 PE 20210742A1
Authority
PE
Peru
Prior art keywords
valve
bag
storage bag
sealing strip
tubular part
Prior art date
Application number
PE2021000220A
Other languages
Spanish (es)
Inventor
Siddharth LOHIA
Original Assignee
Lohia Corp 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 Lohia Corp Ltd filed Critical Lohia Corp Ltd
Publication of PE20210742A1 publication Critical patent/PE20210742A1/en

Links

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
    • 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
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/855—Forming valves integral with the containers
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)

Abstract

La invencion da a conocer un metodo para producir una bolsa de almacenamiento con una valvula formada de manera solidaria, una bolsa resultante y un aparato para producir una bolsa de este tipo. El metodo se caracteriza por formar la valvula (3) de la bolsa (2) plegando hacia dentro la esquina (13) de la pieza (5) tubular en el segundo extremo (8) abierto hacia el interior seguido por cortar la tira (22) de borde de la pieza (5) tubular con la valvula (3) formada y cerrar el segundo extremo (8) abierto uniendo la segunda tira (25) de sellado al mismo. En otro aspecto de la invencion se realiza al menos un orificio (29) en la seccion (9A y/o 9B) de pared lateral de la pieza (5) tubular para establecer una conexion entre la segunda tira (25) de sellado y al menos una pared (19) lateral de la valvula (3). La bolsa resultante tiene una valvula (3) de altura (23) mas pequena que la profundidad (24) de la valvula (3) y donde la segunda tira (25) de sellado se une al segundo extremo (8) de la pieza (5) tubular.The invention provides a method for producing a storage bag with an integrally formed valve, a resulting bag, and an apparatus for producing such a bag. The method is characterized by forming the valve (3) of the bag (2) by folding inward the corner (13) of the tubular part (5) at the second end (8) open inward followed by cutting the strip (22 ) of the edge of the tubular part (5) with the valve (3) formed and close the second open end (8) by joining the second sealing strip (25) thereto. In another aspect of the invention, at least one hole (29) is made in the section (9A and / or 9B) of the side wall of the tubular part (5) to establish a connection between the second sealing strip (25) and the minus one side wall (19) of the valve (3). The resulting bag has a valve (3) with a height (23) smaller than the depth (24) of the valve (3) and where the second sealing strip (25) joins the second end (8) of the part ( 5) tubular.

PE2021000220A 2018-09-23 2019-09-17 METHOD AND APPARATUS TO MANUFACTURE A STORAGE BAG, AND STORAGE BAG PE20210742A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201811032969 2018-09-23
PCT/IB2019/057792 WO2020058828A1 (en) 2018-09-23 2019-09-17 A method and an apparatus for manufacturing a storage bag, and a storage bag

Publications (1)

Publication Number Publication Date
PE20210742A1 true PE20210742A1 (en) 2021-04-19

Family

ID=68387357

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2021000220A PE20210742A1 (en) 2018-09-23 2019-09-17 METHOD AND APPARATUS TO MANUFACTURE A STORAGE BAG, AND STORAGE BAG

Country Status (8)

Country Link
CN (1) CN112739531B (en)
BR (1) BR112021004899A2 (en)
MX (1) MX2021002493A (en)
PE (1) PE20210742A1 (en)
PH (1) PH12021550395A1 (en)
TW (1) TWI764047B (en)
WO (1) WO2020058828A1 (en)
ZA (1) ZA202100871B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111716819B (en) * 2020-07-18 2024-12-27 温州钱峰科技有限公司 Valve bag folding cold cutting forming machine
WO2023031756A1 (en) * 2021-09-01 2023-03-09 Lohia Corp Limited An apparatus and a method for producing side gusseted bags with valve and side gusseted bags with valve
CN113752630A (en) * 2021-09-10 2021-12-07 无锡鸿昌精密机械有限公司 Four-layer bag making process

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752292A (en) * 1924-12-13 1930-04-01 Bates Valve Bag Corp Paper bag
FR687235A (en) * 1929-12-26 1930-08-06 Tamper-Evident Closure Mode for Valve Bags
US1926241A (en) * 1930-05-31 1933-09-12 Jaite Company Paper bag machine
US4132347A (en) * 1976-07-07 1979-01-02 Showa Seitai Kogyo Kaisha Ltd. Moisture proof bags provided with blow-in ports and method of manufacturing the same
DE2735387A1 (en) * 1977-08-05 1979-02-15 Fairbairn Lawson Packaging Ltd Lined valved sack prodn. - comprises tubes one inside the other folded inwards at one corner to form valve
AT384995B (en) * 1986-05-22 1988-02-10 Chemiefaser Lenzing Ag METHOD FOR PRODUCING A VALVE BAG AND VALVE BAG PRODUCED BY THE METHOD
JPH0815911B2 (en) * 1989-12-05 1996-02-21 山野井製袋株式会社 Powder, granule storage bag, and method for roughly sealing the bag mouth
US6890290B2 (en) * 2001-06-22 2005-05-10 Amplas, Inc. Method and apparatus for producing valve bags
ZA200106204B (en) * 2001-07-27 2002-08-28 Lin Yao Chang Method of forming a sealed bag.
AT512459B1 (en) 2012-01-31 2015-08-15 Starlinger & Co Gmbh METHOD FOR PRODUCING VALVE LUGS FROM A TISSUE HOSE
TWM448450U (en) * 2012-05-30 2013-03-11 yao-zhang Lin Automatic bag making machine capable of laminating woven-bonded bag bottom
CN104964124A (en) * 2014-08-01 2015-10-07 常州山由帝奥绝缘材料制造有限公司 Vacuum insulation board having gaps and/or through holes and method for producing same
CN107934173A (en) * 2017-11-24 2018-04-20 张建航 A kind of woven bag and preparation method thereof

Also Published As

Publication number Publication date
MX2021002493A (en) 2021-03-25
PH12021550395A1 (en) 2022-03-21
CN112739531B (en) 2023-06-09
CN112739531A (en) 2021-04-30
ZA202100871B (en) 2023-07-26
WO2020058828A1 (en) 2020-03-26
TW202019779A (en) 2020-06-01
BR112021004899A2 (en) 2021-06-01
TWI764047B (en) 2022-05-11

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