US2932142A - Device for opening letter envelopes, bags, or like articles - Google Patents

Device for opening letter envelopes, bags, or like articles Download PDF

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Publication number
US2932142A
US2932142A US573278A US57327856A US2932142A US 2932142 A US2932142 A US 2932142A US 573278 A US573278 A US 573278A US 57327856 A US57327856 A US 57327856A US 2932142 A US2932142 A US 2932142A
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United States
Prior art keywords
opening
bags
articles
trough
letter envelopes
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
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US573278A
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Sindzinski Willy
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International Standard Electric Corp
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International Standard Electric Corp
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Publication date
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Publication of US2932142A publication Critical patent/US2932142A/en
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    • 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
    • B65B67/12—Sack holders, i.e. stands or frames with means for supporting sacks in the open condition to facilitate filling with articles or materials
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks

Definitions

  • a funnel-shaped or prismatic trough is arranged to take up the receptacles to be opened and comprises two opposite walls joined on one of their longitudinal sides, by a narrow strap, and spaced apart on the other longitudinal side to form a wide opening. These walls are provided with vertical rows of perforations'which are situated about in the middle of the walls and constitute the inlet ports of a suction duct.
  • Fig. 1 is a perspective view of a trough according to my invention
  • Fig. 2 is a sectional elevation of my device.
  • the trough is constituted by the walls 1, 2' and the strap 3. At one of its face ends a cover plate 4 is provided as shown in Fig. 1. The other face end is completely open. At this latter end the receptacles to be opened, such as letter envelopes, are inserted into thetrough in any convenient manner either manually or automatically. It is, however, also possible for the re ceptacles to be inserted into the trough through the upper opening thereof or through an opening provided in strap 3.
  • the trough 1, 2, 3 may be given a position the reverse of that here shown, its opening being thus turned downward.
  • means are arranged to hold the respective receptacle in its position within the trough.
  • Such means may be constituted by suction openings in the strap 3, which is then at the top of the trough.
  • the trough opening it is possible to arrange for the trough opening to be held closed during the insertion of a receptacle and not to be reopened until the suction of duct 6 is in communication with the trough. Since the receptacle in the trough has its opening directed downward, its contents will then fall out.
  • Device for opening letter envelopes and the like receptacles comprising a suction duct, a trough-shaped member for receiving a receptacle, said trough-shaped member comprising a pair of walls disposed opposite one another, joined along one side by a narrow strap and spaced apart at the opposite side to form a flared opening and said walls being provided with apertures for communication with said suction duct.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Description

April 12, 1960 w. SINDZINSKI DEVICE FOR OPENING LETTER ENVELOPES, BAGS, OR LIKE ARTICLES Filed March 22, 1956 INVENTOR W. 5/ND INSK/ v ATTORNEY United States Patent DEVICE FOR OPENING LETTER ENVELOPES, BAGS, 0R LIKE ARTICLES Willy Sindzinski, Berlin, Germany, assignor to International Standard Electric Corporation, New York, N.Y., a corporation of Delaware ApplicationMarch '22, 1956, Serial No. 573,278 Claims priority, application Germany March 28, 1955 4 Claims. (Cl. 53-386) The invention relates to devices for opening letter envelopes, bags, folding boxes, or like articles or receptacles for the purpose of clearing or of filling them. Arrangements are known in which the upper wall parts of a receptacle made of paper are seized by suction arms and drawn apart. Devices so constructed are somewhat cumbersome, since they comprise parts which are driven mechanically and have to do work of periodical recurrence. The operations of filling and clearing must'hence be accomplished in a certain rhythm, a requirement which is undesirable in many cases.
In devices according to the present invention, moving mechanical parts are dispensed with. Only suction means are employed, whereby the manufacture and attendance of the apparatus involve considerable saving in expense. According to the invention a funnel-shaped or prismatic trough is arranged to take up the receptacles to be opened and comprises two opposite walls joined on one of their longitudinal sides, by a narrow strap, and spaced apart on the other longitudinal side to form a wide opening. These walls are provided with vertical rows of perforations'which are situated about in the middle of the walls and constitute the inlet ports of a suction duct.
The invention will be more fully understood from the following description, reference being had to the drawing in which Fig. 1 is a perspective view of a trough according to my invention, and Fig. 2 is a sectional elevation of my device.
The trough is constituted by the walls 1, 2' and the strap 3. At one of its face ends a cover plate 4 is provided as shown in Fig. 1. The other face end is completely open. At this latter end the receptacles to be opened, such as letter envelopes, are inserted into thetrough in any convenient manner either manually or automatically. It is, however, also possible for the re ceptacles to be inserted into the trough through the upper opening thereof or through an opening provided in strap 3.
After an envelope or other receptacle has been properly Patented Apr. 12, 1960 envelope, can now be cleared or filled,'as the case may be.
The trough 1, 2, 3 may be given a position the reverse of that here shown, its opening being thus turned downward. In this case means are arranged to hold the respective receptacle in its position within the trough. Such means may be constituted by suction openings in the strap 3, which is then at the top of the trough. Also it is possible to arrange for the trough opening to be held closed during the insertion of a receptacle and not to be reopened until the suction of duct 6 is in communication with the trough. Since the receptacle in the trough has its opening directed downward, its contents will then fall out.
the contents of letter envelopes.
While Ihave described above the principles of my invention in connection with specific apparatus, it is to be clearly understood that this description is made only by way of, example and not as a limitation to the scope of my invention.
What is claimed is: a
1. Device ,for opening letter envelopes and the like receptacles comprising a suction duct, a trough-shaped member for receiving a receptacle, said trough-shaped member comprising a pair of walls disposed opposite one another, joined along one side by a narrow strap and spaced apart at the opposite side to form a flared opening and said walls being provided with apertures for communication with said suction duct. I
2. Device according to claim 1 in which one end of said member is provided with an opening through which References Cited in the file of this patent UNITED STATES PATENTS Socke Apr. 1, 1947 Fogwell et a1 May 13, 1958
US573278A 1955-03-28 1956-03-22 Device for opening letter envelopes, bags, or like articles Expired - Lifetime US2932142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2932142X 1955-03-28

Publications (1)

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US2932142A true US2932142A (en) 1960-04-12

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053433A (en) * 1961-03-10 1962-09-11 Joseph O Wall Flexible container with opening and supporting means therefor
DE1179853B (en) * 1960-11-24 1964-10-15 Marius Berghgracht Semi-automatic machine for packing solid or liquid substances in sealable bags or bags
DE1229894B (en) * 1962-05-28 1966-12-01 Elektromaskiner Akblom & Co A Device for automatic feeding, opening and filling of bags that are connected in the form of a band
DE1232876B (en) * 1960-11-26 1967-01-19 Marius Berghgracht Flat-laid, unsealed folding box with a lining for the production of a rectangular pack
US3527021A (en) * 1967-10-02 1970-09-08 Robert W Pitts Jr Automatic bagging machine
US4995219A (en) * 1989-12-13 1991-02-26 Hicks Ray T Combination cutter and bagger for photographic negatives
EP0844179A1 (en) * 1996-11-26 1998-05-27 Kraft Foods, Inc. Method of opening flattened bags
DE19842362A1 (en) * 1998-09-16 2000-04-27 Effem Gmbh Method and device for opening and filling prefabricated bag packages
WO2001025091A1 (en) * 1999-10-07 2001-04-12 Michael Anthony Burke Bag opening method and apparatus
US6484479B1 (en) * 2000-04-10 2002-11-26 Tetra Laval Holdings & Finance, Sa Form, fill and seal apparatus with cavity bar
DE102014113859A1 (en) * 2014-09-24 2016-03-24 Haver & Boecker Ohg Apparatus and method for filling open-mouth bags
US9340325B2 (en) 2014-01-16 2016-05-17 Josephine Pontoriero Apparatus to facilitate separation of layers of material
US20180009156A1 (en) * 2015-01-22 2018-01-11 Liebherr-Hausgerate Lienz Gmbh Method For Applying A Film Onto A Body

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418142A (en) * 1942-09-10 1947-04-01 American Can Co Bag loading machine
US2834166A (en) * 1955-08-10 1958-05-13 Carbon Black Packaging Inc Packaging machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418142A (en) * 1942-09-10 1947-04-01 American Can Co Bag loading machine
US2834166A (en) * 1955-08-10 1958-05-13 Carbon Black Packaging Inc Packaging machine

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179853B (en) * 1960-11-24 1964-10-15 Marius Berghgracht Semi-automatic machine for packing solid or liquid substances in sealable bags or bags
DE1232876B (en) * 1960-11-26 1967-01-19 Marius Berghgracht Flat-laid, unsealed folding box with a lining for the production of a rectangular pack
US3053433A (en) * 1961-03-10 1962-09-11 Joseph O Wall Flexible container with opening and supporting means therefor
DE1229894B (en) * 1962-05-28 1966-12-01 Elektromaskiner Akblom & Co A Device for automatic feeding, opening and filling of bags that are connected in the form of a band
US3527021A (en) * 1967-10-02 1970-09-08 Robert W Pitts Jr Automatic bagging machine
US4995219A (en) * 1989-12-13 1991-02-26 Hicks Ray T Combination cutter and bagger for photographic negatives
GB2335408B (en) * 1996-11-26 2000-07-19 Molins Plc Apparatus and method for opening flattened bags
EP0844179A1 (en) * 1996-11-26 1998-05-27 Kraft Foods, Inc. Method of opening flattened bags
GB2335408A (en) * 1996-11-26 1999-09-22 Molins Plc Apparatus and method for opening flattened bags
WO1998023486A1 (en) * 1996-11-26 1998-06-04 Kraft Foods, Inc. Apparatus and method for opening flattened bags
US6430901B1 (en) 1998-09-16 2002-08-13 Philippe Domansky Method and device for opening and filling pre-manufactured bag packages
DE19842362C2 (en) * 1998-09-16 2000-09-14 Effem Gmbh Method and device for opening prefabricated bag packages
DE19842362A1 (en) * 1998-09-16 2000-04-27 Effem Gmbh Method and device for opening and filling prefabricated bag packages
WO2001025091A1 (en) * 1999-10-07 2001-04-12 Michael Anthony Burke Bag opening method and apparatus
US6484479B1 (en) * 2000-04-10 2002-11-26 Tetra Laval Holdings & Finance, Sa Form, fill and seal apparatus with cavity bar
US9340325B2 (en) 2014-01-16 2016-05-17 Josephine Pontoriero Apparatus to facilitate separation of layers of material
DE102014113859A1 (en) * 2014-09-24 2016-03-24 Haver & Boecker Ohg Apparatus and method for filling open-mouth bags
US20170275032A1 (en) * 2014-09-24 2017-09-28 Haver & Boecker Ohg Device and method for filling open bags
US10625890B2 (en) * 2014-09-24 2020-04-21 Haver & Boecker Ohg Device and method for filling open bags
US20180009156A1 (en) * 2015-01-22 2018-01-11 Liebherr-Hausgerate Lienz Gmbh Method For Applying A Film Onto A Body
US10661498B2 (en) * 2015-01-22 2020-05-26 Liebherr-Hausgerate Lienz Gmbh Method for applying a film onto a body

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