US1827040A - Valve bag and method of closing the same - Google Patents

Valve bag and method of closing the same Download PDF

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Publication number
US1827040A
US1827040A US260436A US26043628A US1827040A US 1827040 A US1827040 A US 1827040A US 260436 A US260436 A US 260436A US 26043628 A US26043628 A US 26043628A US 1827040 A US1827040 A US 1827040A
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US
United States
Prior art keywords
bag
sleeve
corner
valve
closing
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
US260436A
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English (en)
Inventor
John C Redington
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.)
ST Regis Paper Co
Original Assignee
ST Regis Paper 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
Priority to NL24677D priority Critical patent/NL24677C/xx
Application filed by ST Regis Paper Co filed Critical ST Regis Paper Co
Priority to US260436A priority patent/US1827040A/en
Application granted granted Critical
Publication of US1827040A publication Critical patent/US1827040A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • This invention relates to valve bags and a method of closing the same. More particularly, it relates to bags having valves therein adapted to receive a large filling tube through which a charge may be filled into the bag rapidly, there'being a sleeve within the valve which is utilized to additionally strengthen the valved corner of the bag and the outer end of which is closed for more securely sealing the bag after filling.
  • Valve bags and the filling of bags through a valve opening is well known, but as ordinarily practiced is limited to a comparatively narrow range of materials because of the necessity of filling the material through a comparatively small opening. For commercial success it is necessary that the filling shall be performed rapidly, and the speed of movement required through the small openlng in order to fill the bags rapidly cannot be acquired with many materials without inJurmg the material.
  • Valve bags possess the great advantage of being completely manufactured before they are filled, so that no closing operation is necessary after the filling is completed.
  • This invention has as its main object the provislon of a bag and a method of closing the same which will enable the use of a large filling tube, and thereby permit the rapid filling of bags without'subjecting the material to damage, and which can be completely closed after filling with only a minor closing operation, thereby extending the major portion of the advantages of valve bags to a much wlder range of materials.
  • One advantage of the present invention is that it enables the reinforcement of the valved corner of the bag.
  • Figure 1 is a view of the collapsed end of a tube from which a bag is formed
  • Fig. 2 is a view of the tube shown in Fig. 1, viewed from the right side of Fig. 1
  • Fig. 3 is a view similar to Fig. 1, but showing the valve flap tucked into position and a sheet inserted in the corner of the matic view showing the operation of filling and closing a bag having a valve such as shown in Figs. 5 and 6
  • - Fig. 8 is a plan view of the valved corner of a bag after filling and before being closed by stapling
  • Figs. 1 is a view of the collapsed end of a tube from which a bag is formed
  • Fig. 2 is a view of the tube shown in Fig. 1, viewed from the right side of Fig. 1
  • Fig. 3 is a view similar to Fig. 1, but showing the valve flap tucked into position and a sheet inserted in the corner of the matic view showing the operation of filling
  • FIGS. 9 and 10 are a side view and plan view, respectively, of the valve sleeve closed by stapling;
  • Fig. 11 is a section on the line 1111 of Fig. 10;
  • Fig. 12 is a view similar to Fig. 9, but showing the end of the valve sleeve closed by sewing;
  • Fig. 13 is a view of the parts shown in Fig. 12 viewed from the right of Fig. 12:
  • Fig. 14 is a view of a corner of a bag, with parts broken away, showing a modified form of sleeve in position within the valve;
  • Fig. 15 is a view of the valved corner of a filled bag with the valve sleeve closed by a wire tie.
  • valve bags In making valve bags from paper tubes, it is customary to fold a bag tube 20 with gussets 21 in its sides. and with one corner extendedas shown at 22, in order to form a longer valve when the corner is tucked into the position in which it is shown in Fig. 3.
  • a sheet of material 23 may be folded and-placed within the tucked-in valve flap.
  • the end of this sheet extends beyond the side of the bag; as shown at 24.
  • a reinforcing tape 25 is placed in position over the end of the bag and is sewed to the bag by means of a seam 26.
  • seam 26 isstrengthened in the valved corner of the bag at 27 not only by the tucked-in valve flap 22, but also by the sleeve-sheet 23. It is preferable to unite the sides of sheet 23 so as to form a complete sleeve by means of the seam 26. This seam is extended to the end 24 of the sleeve.
  • a bag with a valve such as described may be placed in filling position upon a filling tube 28 of a filling machine of well-known type, such as shown somewhat diagrammatically in Fig. 7. the filling tube being of a large size allowed by the comparatively large valve.
  • the bag-carrying cradle may be rocked by means of handle 29, which turns the bag about a pivot 30 and discharges the bag onto a support 31, which is shown in Fig. 7 as being a conveyor suitable for conveying the closed bag with its valved corner beneath a closing apparatus 32.
  • the closing machine shown in Fig. 'l' is a diagrammatic view of a sewing head having a needle 36 adapted to sew a seam 37 across the end 24 of the valve sleeve, as shown in Figs. 12 and 13. lit the valve sleeve is closed by sewing, it is preferable to provide reinforcing strips 38 in order to prevent tearing the paper.
  • valve sleeve While I have shown the valve sleeve as being placed in position in the form of a sheet and having the edges of the sheet united by the same seam that closes the end of the bag. it will be readily recognized that the sleeve may be formed into a tube before being placed in position in the bag, and sometimes this meth- 0d of operation is preferable.
  • Figs. 14: and 15 there is shown a valve sleeve 39 closed by a seam 40 before it is placed in position in the bag. While it is desirable to have this sleeve large enough to be sewed into the bagclosing seam at 27, the same as in the form of sleeve shown in Figs. 1 to 13.
  • sleeve shown in Figs. 14 and 15 is found quite effective when made of cloth.
  • the sleeve is made of paper, even if the sleeve is closed by a wire or other tie, it is preferred to extend the bag-closing seam to the end of the sleeve as shown in Figs. 5 to 13, so that the end of the sleeve is strengthened by the reinforced seam.
  • a paper ba having one corner tucked in, a sleeve in t e tucked-in corner, and a seam closing the end of the bag, except for said tucked-in corner, and holding the sleeve in position in the valve, the sleeve extending into the seam between the walls of the bag.
  • a paper bag having one corner tucked in, a sheet of flexible material folded into said tucked-in corner and having its edges substantially even with the end of the bag, and a seam closing the end of the bag, except for said tucked-in corner, and uniting the sides of said sheet to form a sleeve.
  • a bag having one corner tucked in, a sleeve in the tucked-in corner, and a seam closing the end of the bag, except for said tucked-in corner, and holding the sleeve in position in the valve, the sleeve extending beyond the side of the bag.
  • a bag having one corner tucked in, a sheet of flexible material folded into said tucked-in corner and having its edges substantially parallel with the end of the bag, and a seam closing the end of the bag, except for said tucked-in corner, and uniting the sides of said sheet to form a sleeve, the sleeve extending beyond the side of the bag.
  • the method which consists in folding in one corner of a tube, placing a sleeve-forming member within the tucked-in corner, and sewing a seam across the end of the bag and through a portion of the sleeve member, and thereby closing the end of the tube, except for the tucked-in corner, and holding the sleeve-member within said corner.
  • the method which consists in folding in one corner of a tube, placing a sheet of flexible material within the folded-in corner and with its edges substantially parallel with the end of the tube, and sewing a seam across the end of the tube and through the edges of the sheet, thereby closing the end of the tube, except for the tucked-in corner, forming the sheet into a sleeve, and holding the sleeve in place within the corner.
  • the method which consists in folding in one corner of an open-mouthed bag, placing a sleeve-forming member within the tuckedin corner and with its end projecting beyond the side of the bag, sewing a seam across the mouth of the bag and along the side of the sleeve-forming member, filling the bag one corner of an open-mouthed bag, placing a sleeve-forming member within the tuckedin corner and with its end projecting beyond the edge of the bag, sewing a seam across the end of the bag and through a portion of said member, placing the sleeve over a substantially horizontal filling tube, filling the bag through the tube, giving the filled bag a quarter turn away from the tube and thereby placing the bag on its side with the sleeve extending upward and thereafter closing the the end of the sleeve.
  • A. package comprising a filled bag having a fillmg sleeve at one corner, a closure extending across the end of the bag and along one side of the sleeve, and a sleeve-closure crossing the first said closure.
  • a package comprising a filled bag having a filling sleeve at one corner, a sewed seam extending across the end of the bag and along one side of the sleeve, and a row of staples across the end of the sleeve.
  • a sleeve-forming member within the tucked-in corner and with its end projecting beyond the edge of the bag, sewing a seam across the end of the bag and through a portion of said member, placing the sleeve over a substantially horizontal filling tube, filling the bag through the tube, giving the filled bag a quarter turn away from the tube and thereby placing the bag on its side with the sleeve extending upward, and passing the bag sideways beneath a closing device and closing the end of the sleeve.
  • the method which consists in forming a valve with a filling opening in one side adj acent one end and with a sleeve pro'ecting from said opening beyond the side of t e bag, placing the sleeve around a substantially horizontal filling tube, filling the bag through the tube, giving the bag a quarter turn away from the tube and thereby placing the ba with said sleeve extending upward, an thereafter closing the end of the tube.
  • the method which consists in forming a bag having a filling opening and a sleeve projecting from said opening, filling the bag through said 0 ening, and thereafter folding and stapling t e outer end of the sleeve.
  • the method which consists in forming a valve with a filling opening in one side adjacent one end and with a sleeve projecting from said opening beyond the side of the bag, placing the sleeve around a substantially horizontal filling tube, filling the bag through the tube, giving the bag a quarter turn away from the tube and thereby placing the bag with said v sleeve extending upward, and thereafter folding and stapling the end of the tube.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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US260436A 1928-03-09 1928-03-09 Valve bag and method of closing the same Expired - Lifetime US1827040A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL24677D NL24677C (hu) 1928-03-09
US260436A US1827040A (en) 1928-03-09 1928-03-09 Valve bag and method of closing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US260436A US1827040A (en) 1928-03-09 1928-03-09 Valve bag and method of closing the same

Publications (1)

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US1827040A true US1827040A (en) 1931-10-13

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US260436A Expired - Lifetime US1827040A (en) 1928-03-09 1928-03-09 Valve bag and method of closing the same

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NL (1) NL24677C (hu)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437693A (en) * 1944-08-07 1948-03-16 St Regis Paper Co Heat-sealed valve bag
US2696342A (en) * 1946-03-28 1954-12-07 Melvin R Metzger Valve structure
US2830750A (en) * 1954-12-23 1958-04-15 Bemis Bro Bag Co Bag
US3167241A (en) * 1961-10-05 1965-01-26 Bemis Bro Bag Co Bag
US6471403B1 (en) * 1996-11-04 2002-10-29 Frantschach Industrial Packaging Netherlands Nv Valve bag

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437693A (en) * 1944-08-07 1948-03-16 St Regis Paper Co Heat-sealed valve bag
US2696342A (en) * 1946-03-28 1954-12-07 Melvin R Metzger Valve structure
US2830750A (en) * 1954-12-23 1958-04-15 Bemis Bro Bag Co Bag
US3167241A (en) * 1961-10-05 1965-01-26 Bemis Bro Bag Co Bag
US6471403B1 (en) * 1996-11-04 2002-10-29 Frantschach Industrial Packaging Netherlands Nv Valve bag

Also Published As

Publication number Publication date
NL24677C (hu)

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