US3672266A - System for erecting the bottom flaps of folding-box blanks - Google Patents

System for erecting the bottom flaps of folding-box blanks Download PDF

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Publication number
US3672266A
US3672266A US122709A US3672266DA US3672266A US 3672266 A US3672266 A US 3672266A US 122709 A US122709 A US 122709A US 3672266D A US3672266D A US 3672266DA US 3672266 A US3672266 A US 3672266A
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US
United States
Prior art keywords
lever
blank
erecting
bell crank
latch
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
US122709A
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English (en)
Inventor
Hartmut Klapp
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.)
Jagenberg Werke AG
Original Assignee
Jagenberg Werke AG
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 Jagenberg Werke AG filed Critical Jagenberg Werke AG
Application granted granted Critical
Publication of US3672266A publication Critical patent/US3672266A/en
Anticipated expiration legal-status Critical
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    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/262—Folding sheets, blanks or webs involving folding, leading, or trailing flaps of blanks
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
    • B31B50/54—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers operating on moving material

Definitions

  • ABSTRACT In an apparatus for erecting the bottom flaps of folding-box blanks fed to an erecting station by a conveyor and including a pivotable erecting lever with a blank-contacting surface which causes said blank flap to be deflected relative to the balance of said blank, said erecting lever thereafter being pivoted under the force of said blank, a bell crank lever is pivoted to said erecting lever, one arm of said bell crank lever serving as a latch and locking said bell crank lever and said erecting lever against pivoting, the other arm of said bell crank lever including an abutment engaged by the leading edge of said box blank and functioning as a latch release, whereby pivoting of said erecting lever is permitted only after said blank has advanced to the location where its leading edge engages said abutment.
  • the invention relates to a system for use in folding-box gluing machines to erect the bottom flaps or the like which are on r the foremost portion of box blanks moving on conveyor belts, by means of a lever extending into the path of movement of the blanks.
  • folding-bottom boxes i.e., folding boxes having bottom flaps which automatically form the bottom of the box when the cross section of the box is opened
  • special devices are needed-in the folding-box gluing machine to erect the bottom parts of the folding boxes and bend them over. It is known to use levers or folding claws extending from above or below into the plane of movement of the boxes for the purpose of erecting the bottom partswhich are at the leading edge of the blank.
  • folding claws The upward and downward movement of folding claws has to be synchronized with the working process, so that they will drop into the gap between successive blanks and be able to seize the leading edge of thenext blank.
  • a positive, synchronous control of movement of folding claws requires an expensive drive and control system, which is made all the more costly by the need for the system to be adjustable to various types and sizes of box blanks and to different operating speeds.
  • thelever extending into the path of movement of the box blanks is provided with a latch that can be tripped by the leading edge of the box blank.
  • this lever which is latched in its active position, there is associated a catch which can be deflected by the leading edge of the box blank to release the latch, and which, is provided on' the free extremity of the lever which is deflectable from the path of movement of the blanks.
  • the latching lever makes it possible to handle folding boxes of many different types of cardboard.
  • the lever cannot be deflected until the leading edge of the blank has reached the catch and, in its continued movement, has depressed it, i.e., the leading edge of the blank must pass over the entire effective length of the lever with the lever in its active position before the path is cleared for the completion of the initiated folding process. Since the force required for the deflection of the catch is very slight, both light and heavy types of cardboard can be handled without difficul- Y
  • Another advantage is that the system is not linked to any timing system and thus requires no adjustment when a change is made in the box blank size.
  • FIGS. 1 to 4 are schematic side views of the apparatus at successive stages of an erecting cycle.
  • the bottom flap l is lifted by the ascending surface 5 of lever 4 and, as the forward movement continues, is carried into engagement with the catch 6 on latch 7.
  • Latch 7. is a bell crank lever pivoted about axis 8 which is carried by erecting lever 4.
  • the lower arm of the bell crank lever serves the latching function, described more fully below.
  • the upper'arm is provided with the catch or abutment 6 which serves to release the latch.
  • the force that is produced by the contact between the leading edge of the box bottom flap l' and the catch 6 (FIG. 2) pivots the latch 7 about its pivot 8 disposed on lever 4, thereby compressing spring 9 and pivoting latch 7 out of the reach of stationary catch 14.
  • an apparatus for erecting folding-box blanks including means for advancing a blank to an erecting station, and an erecting levercontacted by said blank in its advance, said erecting lever causing the portion of said blank first contacting it to be deflected relative to the balance of said blank, said erecting lever ultimately being pivoted about its fulcrum to permit a later portion of said blank to pass thereover without deflection, the improvement which comprises a latch securing said erecting lever against pivoting, and latch releasing means positioned downstream of said erecting lever so as to be actuated by the leading edge of the blank only after the blank has reached a predetermined location, whereby premature pivoting of said erecting lever and inadequate deflection of said blank are precluded.
  • said latch includes a bell crank lever and a first spring urging one leg thereof into latching position whereby it is prevented from pivoting and prevents said erecting lever from pivoting, the

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  • Making Paper Articles (AREA)
US122709A 1970-04-11 1971-03-10 System for erecting the bottom flaps of folding-box blanks Expired - Lifetime US3672266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2017471A DE2017471C3 (de) 1970-04-11 1970-04-11 Vorrichtung zum Aufrichten der Boden teile an Faltschachtelzuschnitten

Publications (1)

Publication Number Publication Date
US3672266A true US3672266A (en) 1972-06-27

Family

ID=5767857

Family Applications (1)

Application Number Title Priority Date Filing Date
US122709A Expired - Lifetime US3672266A (en) 1970-04-11 1971-03-10 System for erecting the bottom flaps of folding-box blanks

Country Status (11)

Country Link
US (1) US3672266A (enrdf_load_stackoverflow)
BE (1) BE765582A (enrdf_load_stackoverflow)
BR (1) BR7102068D0 (enrdf_load_stackoverflow)
CA (1) CA947557A (enrdf_load_stackoverflow)
CH (1) CH519391A (enrdf_load_stackoverflow)
DE (1) DE2017471C3 (enrdf_load_stackoverflow)
ES (1) ES195129Y (enrdf_load_stackoverflow)
FR (1) FR2089341A5 (enrdf_load_stackoverflow)
GB (1) GB1335078A (enrdf_load_stackoverflow)
NL (1) NL7104190A (enrdf_load_stackoverflow)
SE (1) SE353267B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052932A (en) * 1975-04-01 1977-10-11 Koppers Company, Inc. Folding machine for box blanks
US20050245375A1 (en) * 2004-04-30 2005-11-03 Heidelberger Druckmaschinen Ag Catch hook
US20060178248A1 (en) * 2005-01-28 2006-08-10 Gerard Coullery Device for maintaining side tabs of box blanks running through a folder-gluer
CN107901500A (zh) * 2017-12-19 2018-04-13 广东恒信源智能装备有限公司 用于电器包装盒的盒底扣合整理设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540649C2 (de) * 1975-09-12 1982-10-21 Heinz-Hermann 4904 Enger Pott Falteinrichtung für Faltschachtelzuschnitte
CN103042722B (zh) * 2012-12-31 2015-02-25 温州中科包装机械有限公司 纸盒内折边裱糊成型机构
DE102014219241A1 (de) * 2014-09-24 2016-03-24 Masterwork Machinery Co., Ltd. Vorrichtung zum Falten für eine Faltschachtelklebemaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169271B (de) * 1961-09-27 1964-04-30 Bobst & Sohn A G J Vorrichtung zum Falten der vorderen Laschen eines Pappewerkstueckes, insbesondere ineiner Falt- und Klebemaschine
US3443491A (en) * 1966-08-29 1969-05-13 Senior Products Ltd Manufacture of boxes or cartons

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169271B (de) * 1961-09-27 1964-04-30 Bobst & Sohn A G J Vorrichtung zum Falten der vorderen Laschen eines Pappewerkstueckes, insbesondere ineiner Falt- und Klebemaschine
US3443491A (en) * 1966-08-29 1969-05-13 Senior Products Ltd Manufacture of boxes or cartons

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052932A (en) * 1975-04-01 1977-10-11 Koppers Company, Inc. Folding machine for box blanks
US20050245375A1 (en) * 2004-04-30 2005-11-03 Heidelberger Druckmaschinen Ag Catch hook
US7179216B2 (en) * 2004-04-30 2007-02-20 Heidelberger Druckmaschinen Ag Catch hook for a folding box gluing machine
US20060178248A1 (en) * 2005-01-28 2006-08-10 Gerard Coullery Device for maintaining side tabs of box blanks running through a folder-gluer
US7637857B2 (en) * 2005-01-28 2009-12-29 Bobst, S.A. Device for maintaining side tabs of box blanks running through a folder-gluer
CN107901500A (zh) * 2017-12-19 2018-04-13 广东恒信源智能装备有限公司 用于电器包装盒的盒底扣合整理设备
CN107901500B (zh) * 2017-12-19 2023-10-20 广东恒信源智能装备有限公司 用于电器包装盒的盒底扣合整理设备

Also Published As

Publication number Publication date
NL7104190A (enrdf_load_stackoverflow) 1971-10-13
BR7102068D0 (pt) 1973-05-03
DE2017471B2 (de) 1973-05-17
ES195129U (es) 1975-01-16
FR2089341A5 (enrdf_load_stackoverflow) 1972-01-07
SE353267B (enrdf_load_stackoverflow) 1973-01-29
CA947557A (en) 1974-05-21
GB1335078A (en) 1973-10-24
DE2017471A1 (enrdf_load_stackoverflow) 1971-10-28
DE2017471C3 (de) 1973-12-06
ES195129Y (es) 1975-06-01
BE765582A (fr) 1971-08-30
CH519391A (de) 1972-02-29

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