US3104047A - Bag opener - Google Patents

Bag opener Download PDF

Info

Publication number
US3104047A
US3104047A US72796A US7279660A US3104047A US 3104047 A US3104047 A US 3104047A US 72796 A US72796 A US 72796A US 7279660 A US7279660 A US 7279660A US 3104047 A US3104047 A US 3104047A
Authority
US
United States
Prior art keywords
bag
lines
front wall
tab
thumb
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
US72796A
Inventor
Arnold N Weeks
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.)
Bemis Brothers Bag Co
Original Assignee
Bemis Brothers Bag Co
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 Bemis Brothers Bag Co filed Critical Bemis Brothers Bag Co
Priority to US72796A priority Critical patent/US3104047A/en
Application granted granted Critical
Publication of US3104047A publication Critical patent/US3104047A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827Tear-lines provided in a wall portion
    • B65D75/5833Tear-lines provided in a wall portion for tearing out a portion of the wall

Definitions

  • This invention relates to bags, and more particularly to the provision of a mult-iwall paper bag with means for tearing open the bag.
  • a paper bag such as a multiwall baler bag
  • bags such as described which are economical to manufacture.
  • the invention involves the provision adjacent one end of the bag of two side-by-s-ide adjacent thumb tabs, one adapted to be grasped by one hand and the other to be grasped by the other hand, and pulled in diverging manner toward the other end of the bag.
  • FIG. 1 is a view in front elevation of a square-bottom bag of this invention having a dual tab arrangement on the front wall under the folded-up bag bottom;
  • FIG. 3 is a front elevation of the bag showing the bag bottom folded up towards the back wall of the bag to expose the dual tab arrangement;
  • FIG. 4 is a fragmentary side elevation of FIG. 3;
  • FIG. '5 is an enlarged fragment of FIG. 3 showing the dual tab arrangement
  • FIG. 6 is a section taken on line 6'6 of FIG.
  • FIG. 7 is a perspective of a filled bag showing the general lines the tear will follow when the two parts of the dual arrangement are pulled.
  • a self-opening square bot-tom paper bag 1 which may be a multiwall bag such as is used as a baler.
  • the front and back walls of the bag are designated 3 and 5, respectively, the back wall being the Wall which contains the usual longitudinal ply seams.
  • the bag has gusset sides designated 9.
  • the square bag bottom or closure is designated 11. As manufactured, bottom 11 is folded so that half of it lies fiat on the lower portion of the front wall.
  • the front wall 3 is atent provided adjacent the bottom 11 and at the centerof the width of the bag with a dual tab arrangement of this invention indicated generally at 13.
  • This arrangement includes two serrated lines of perforations 15 and 17 cut through all the plies of the front wall 3, as will appear from FIG. 6, by means of which a dual tab-forming portion 19 is partially severed from the front wall.
  • this tab-forming portion is of U-shape with the base of the U directed toward the bottom end of the bag. More particularly, lines 15 and 17 are located on a semicircle so that portion 19 is semicircular and convex as viewed from the bottom end of the bag.
  • Each of the lines of perforations 15 and 17 terminates short of the longitudinal center line of the front wall so that there is a gap 21 between adjacent ends 23 and 25 of lines 15 and 17.
  • the dual tab-forming portion 19 is partially divided into two individual side-by-side thumb tabs 19a and 1% by a slit 27 cut through all the plies of the front Wall on the longitudinal center line of the front wall.
  • This slit extends radially as regards the semicircle of lines 15 and 17 approximately from the center on which the semicircle is drawn toward but terminating short of the semicircle, thus leaving gaps between the bottom end 29 of the slit and the bottom ends of lines 15 and 17.
  • each of the thumb tabs 19a and 1% has an arrow A printed thereon indicating that each is to be pulled in a direction away from the bottom end of the bag and angled toward the respective side of the bag.
  • the tab-forming portion 19 is pushed in to break it away from the front wall along the lines of perforations 15 and 17 and to make accessible for grasping the two thumb tabs 19a and 1%. Then, one tab is grasped between the thumb and forefinger of the right hand, the other is grasped between the thumb and forefinger of the left hand, and the tabs are then pulled away from the bottom end of the bag and divergently out-ward in the direction of the respective arrows A.
  • a generally lengthwise tear 37 starts to develop from the top of slit 27 (see FIG. 7), and outwardly diverging tears 39 and 41 develop extending from the top ends of lines 15 and 17.
  • the tabs are then pulled upwardly generally lengthwise of the bag, which results in tearing of the front wall on substantially lengthwise tears 4-3 and 45, with a relatively wide tongue 47 of paper from the front wall therebetween, all the way to the upper end of the bag.
  • the tear does not run out before the upper end of the bag is reached, and a wide full-length opening is provided for access to the contents of the bag.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Description

p 17, 1963 A. N. WEEKS 3,104,047
BAG OPENER Filed Nov. 30, 1960 '2 Sheets-Sheet 1 FIG. I. (3 FIGZ. 3 FIG. ,5
i I v I I\ 1' I I I 9 I I 9 I r I I I I I I I I I I I I I I I I I I I I I I X I l I I I I I r I l l I I l I I I I I I I I I I I I I I I I I I I Sept. 17, 1963 A. N. WEEKS 3,104,047
BAG OPENER Filed NOV. 50, 1960 2 Sheets-Sheet 2 FIG. 6. 5 H 27 FIG].
States This invention relates to bags, and more particularly to the provision of a mult-iwall paper bag with means for tearing open the bag.
Among the several objects of this invention may be noted the provision of a paper bag, such as a multiwall baler bag, with means enabling the bag effectively to be torn open substantially completely throughout the length of the bag, without the provision of a rip cord, rip strip or the like, and without having perforated tear lines extending the length of the bag such as would weaken the bag; and the provision of bags such as described which are economical to manufacture. In general, the invention involves the provision adjacent one end of the bag of two side-by-s-ide adjacent thumb tabs, one adapted to be grasped by one hand and the other to be grasped by the other hand, and pulled in diverging manner toward the other end of the bag. This insures a clean tear extendin-g all the way to the other end of the bag. In this respect, it is to be observed that it has been found that if a single thumb is used, the tear obtained by pulling the tab occasionally runs out before the other end of the bag is reached, and a clean complete opening is not secured. Other objects and features will be in part apparent and in part pointed out hereinafter.
The invention accordingly comprises the constructions hereinafter described, the scope of the invention being indicated in the following claim.
In the accompanying drawings, in which one of vari ous possible embodiments of the invention is illustrated,
FIG. 1 is a view in front elevation of a square-bottom bag of this invention having a dual tab arrangement on the front wall under the folded-up bag bottom;
FIG. 2 is a side elevation of FIG. =1;
FIG. 3 is a front elevation of the bag showing the bag bottom folded up towards the back wall of the bag to expose the dual tab arrangement;
FIG. 4 is a fragmentary side elevation of FIG. 3;
FIG. '5 is an enlarged fragment of FIG. 3 showing the dual tab arrangement;
FIG. 6 is a section taken on line 6'6 of FIG. and
FIG. 7 is a perspective of a filled bag showing the general lines the tear will follow when the two parts of the dual arrangement are pulled.
Corresponding reference characters indicate corresponding parts throughout the several views of the drawings.
Referring to the drawings there is shown a self-opening square bot-tom paper bag 1 which may be a multiwall bag such as is used as a baler. The front and back walls of the bag are designated 3 and 5, respectively, the back wall being the Wall which contains the usual longitudinal ply seams. The bag has gusset sides designated 9. The square bag bottom or closure is designated 11. As manufactured, bottom 11 is folded so that half of it lies fiat on the lower portion of the front wall.
In accordance with this invention, the front wall 3 is atent provided adjacent the bottom 11 and at the centerof the width of the bag with a dual tab arrangement of this invention indicated generally at 13. This arrangement includes two serrated lines of perforations 15 and 17 cut through all the plies of the front wall 3, as will appear from FIG. 6, by means of which a dual tab-forming portion 19 is partially severed from the front wall. In general, this tab-forming portion is of U-shape with the base of the U directed toward the bottom end of the bag. More particularly, lines 15 and 17 are located on a semicircle so that portion 19 is semicircular and convex as viewed from the bottom end of the bag. Each of the lines of perforations 15 and 17 terminates short of the longitudinal center line of the front wall so that there is a gap 21 between adjacent ends 23 and 25 of lines 15 and 17.
The dual tab-forming portion 19 is partially divided into two individual side-by- side thumb tabs 19a and 1% by a slit 27 cut through all the plies of the front Wall on the longitudinal center line of the front wall. This slit extends radially as regards the semicircle of lines 15 and 17 approximately from the center on which the semicircle is drawn toward but terminating short of the semicircle, thus leaving gaps between the bottom end 29 of the slit and the bottom ends of lines 15 and 17.
As appears in FIGS. 3 and 5, each of the thumb tabs 19a and 1% has an arrow A printed thereon indicating that each is to be pulled in a direction away from the bottom end of the bag and angled toward the respective side of the bag.
-It will be understood that after the bag is packed, its upper end is closed in any suitable way. For example, it may be sewn closed as indicated at 31 in FIG. 7. To open the bag, the tab-forming portion 19 is pushed in to break it away from the front wall along the lines of perforations 15 and 17 and to make accessible for grasping the two thumb tabs 19a and 1%. Then, one tab is grasped between the thumb and forefinger of the right hand, the other is grasped between the thumb and forefinger of the left hand, and the tabs are then pulled away from the bottom end of the bag and divergently out-ward in the direction of the respective arrows A. This first tears the front wall generally along lines 33 and 35 extending between bottom ends 23 and 25 of lines of perforations l5 and 17 and the bottom end 29 of slit 27 to separate the thumb tabs. With continued pulling of the separated thumb tabs away from the bottom end of the bag and divergently outward, a generally lengthwise tear 37 starts to develop from the top of slit 27 (see FIG. 7), and outwardly diverging tears 39 and 41 develop extending from the top ends of lines 15 and 17. The tabs are then pulled upwardly generally lengthwise of the bag, which results in tearing of the front wall on substantially lengthwise tears 4-3 and 45, with a relatively wide tongue 47 of paper from the front wall therebetween, all the way to the upper end of the bag. The tear does not run out before the upper end of the bag is reached, and a wide full-length opening is provided for access to the contents of the bag.
In view of the above, it will be seen that the several objects of the invention are achieved and other advantageous results attained.
As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
I claim:
A bag made of paper or the like having a closure at one end and being open at the other end for packing, said bag having in one wall thereof and adjacent the closed end thereof a tab-forming portion and a slit dividing said tab-forming portion into two thumb tabs located side-byside adjacent one another, one adapted to be grasped and pulled by the right hand and the other by the left hand in divergent directions away from said closed end and toward the sides of the bag wherein said tab-forming portion is partially severed from. said well along a U-shaped line with the base of the U toward said one end of the bag, and wherein the slit extends lengthwise of the bag centrally of the U.
References Cited in the file of this patent UNITED STATES PATENTS
US72796A 1960-11-30 1960-11-30 Bag opener Expired - Lifetime US3104047A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US72796A US3104047A (en) 1960-11-30 1960-11-30 Bag opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72796A US3104047A (en) 1960-11-30 1960-11-30 Bag opener

Publications (1)

Publication Number Publication Date
US3104047A true US3104047A (en) 1963-09-17

Family

ID=22109808

Family Applications (1)

Application Number Title Priority Date Filing Date
US72796A Expired - Lifetime US3104047A (en) 1960-11-30 1960-11-30 Bag opener

Country Status (1)

Country Link
US (1) US3104047A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227359A (en) * 1964-07-03 1966-01-04 Johnson & Johnson Package
US4708249A (en) * 1985-06-24 1987-11-24 Minnesota Mining And Manufacturing Company Two part tape tab for opening a container
US5335996A (en) * 1993-07-08 1994-08-09 Bagcraft Corporation Of America Openable bag construction
USD432907S (en) * 1998-10-30 2000-10-31 Allen Hyde Striped bag
US20050157961A1 (en) * 2004-01-21 2005-07-21 Dudley Langston Vented package
WO2009120732A1 (en) * 2008-03-28 2009-10-01 Playtex Products, Llc. Tampon package and method for making the same
US20110064338A1 (en) * 2009-09-11 2011-03-17 Huhtamaki Ronsberg Zn Der Huhtamaki Deutschland Gmbh & Co. Kg Tear-open pouch
USD1043367S1 (en) 2023-03-28 2024-09-24 Edgewell Personal Care Brands, Llc Tampon wrapper

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336584A (en) * 1938-12-27 1943-12-14 Bagpak Inc Bag
US2648463A (en) * 1948-05-08 1953-08-11 Scherer Corp R P Plastic container with rupturable sealed end
CA547146A (en) * 1957-10-08 D. Waugh Richard Bag structure
US2943781A (en) * 1956-05-01 1960-07-05 St Regis Paper Co Multiwall bag tear strips
US2956724A (en) * 1956-10-25 1960-10-18 Paper Sacks Ltd Multiply paper bags
US3002674A (en) * 1957-12-10 1961-10-03 Wright Charles Edmund Improvements in paper bags and the like

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA547146A (en) * 1957-10-08 D. Waugh Richard Bag structure
US2336584A (en) * 1938-12-27 1943-12-14 Bagpak Inc Bag
US2648463A (en) * 1948-05-08 1953-08-11 Scherer Corp R P Plastic container with rupturable sealed end
US2943781A (en) * 1956-05-01 1960-07-05 St Regis Paper Co Multiwall bag tear strips
US2956724A (en) * 1956-10-25 1960-10-18 Paper Sacks Ltd Multiply paper bags
US3002674A (en) * 1957-12-10 1961-10-03 Wright Charles Edmund Improvements in paper bags and the like

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227359A (en) * 1964-07-03 1966-01-04 Johnson & Johnson Package
US4708249A (en) * 1985-06-24 1987-11-24 Minnesota Mining And Manufacturing Company Two part tape tab for opening a container
US5335996A (en) * 1993-07-08 1994-08-09 Bagcraft Corporation Of America Openable bag construction
USD432907S (en) * 1998-10-30 2000-10-31 Allen Hyde Striped bag
US20050157961A1 (en) * 2004-01-21 2005-07-21 Dudley Langston Vented package
WO2009120732A1 (en) * 2008-03-28 2009-10-01 Playtex Products, Llc. Tampon package and method for making the same
US20090247981A1 (en) * 2008-03-28 2009-10-01 Playtex Products, Inc. Tampon package and method for making the same
GB2470856A (en) * 2008-03-28 2010-12-08 Playtex Products Llc Tampon package and method for making the same
US20110064338A1 (en) * 2009-09-11 2011-03-17 Huhtamaki Ronsberg Zn Der Huhtamaki Deutschland Gmbh & Co. Kg Tear-open pouch
USD1043367S1 (en) 2023-03-28 2024-09-24 Edgewell Personal Care Brands, Llc Tampon wrapper

Similar Documents

Publication Publication Date Title
US2079328A (en) Package and method of forming the same
US2529853A (en) Folded tissues and dispenser therefor
US2379934A (en) Package
US2415117A (en) Cigarette package
US2306335A (en) Bag
US2285542A (en) Wrapper
US2789752A (en) Perforated tear sheet for cigarette and the like packages
US2315116A (en) Quick opening package
US2965224A (en) Cellulosic product
US4647485A (en) Packaging tape
US3104047A (en) Bag opener
US2042073A (en) Cigarette package
US2701053A (en) Cigarette package with pull strip
US2934255A (en) Bag closure and method of opening bags
US3108711A (en) Cigarette package with an ejector strip for each cigarette
US2026477A (en) Commercial package
US3101887A (en) Merchandise package and container therefor
US2009835A (en) Cigarette pack
US2085827A (en) Divisible container
US1722052A (en) Carry bundle strap
GB1366440A (en) Synthetic material bag
US2858971A (en) Envelope opening means
US2283102A (en) Package
US2888187A (en) Bag
US2047625A (en) Wrapped package and means for forming the same