EP0083909A1 - Automatische Verschliessmaschine für zylindrische Metalldosen - Google Patents

Automatische Verschliessmaschine für zylindrische Metalldosen Download PDF

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Publication number
EP0083909A1
EP0083909A1 EP82830094A EP82830094A EP0083909A1 EP 0083909 A1 EP0083909 A1 EP 0083909A1 EP 82830094 A EP82830094 A EP 82830094A EP 82830094 A EP82830094 A EP 82830094A EP 0083909 A1 EP0083909 A1 EP 0083909A1
Authority
EP
European Patent Office
Prior art keywords
tins
sealing machine
seam sealing
automatic seam
metal containers
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.)
Withdrawn
Application number
EP82830094A
Other languages
English (en)
French (fr)
Inventor
Carmine Cuomo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0083909A1 publication Critical patent/EP0083909A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B21D51/32—Folding the circumferential seam by rolling

Definitions

  • This invention involves an automatic seam sealing machine for closing cylindrical metal containers, such as tins of tomatoes, preserves, jam, and the like.
  • each tin or metal container is introduced with a ratchet mounted on a chain which, in phase with the motion of the machine itself, supplies a number of tins equal to that of the sealing heads.
  • the cover placing group also in phase with the motion of the machine, separates the covers with a suitable device and introduces them in the machine using a rotating separator, in a number equal to that of the tins.
  • a plate-carrying star with ratchets on the top and pans equal in diameter to the tins on the bottom follows suitably placed guides to bring the cover and the tin under the chuck.
  • the tin is thus blocked between the chuck on top and a lower pan beneath the rotating head. It is then rotated by means of gears on an upper and lower shaft in the upper tower and lower drum, and suitably shaped rollers enter into operation for the sealing process.
  • gears on an upper and lower shaft in the upper tower and lower drum By means of an upper cam and two levers, one roller is brought close to the cover. Upon contact, friction causes the roller to turn and so effect the first phase of the sealing process.
  • the second phase is analogous, but the roller is shaped differently to tighten and complete the seal.
  • the aim of this invention is to realize a machine which is economic to construct (due to many fewer components than the current machines), highly functional and capable of working long periods with no breakdown because of the simplicity of the structure and its component parts.
  • the machine according to this invention differs from current ones in that the seal is not formed using moveable rollers but rather as a result of the rotation of the tins or containers beihg closed against the sharp portion of the stationary circular section.
  • the machine according to the invention is particularly simple and economical since said circular section 1 is of simple construction and remains fixed, while the numerous rollers in traditional machines, as rotating pieces, must be frequently checked and replaced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
EP82830094A 1981-12-31 1982-04-14 Automatische Verschliessmaschine für zylindrische Metalldosen Withdrawn EP0083909A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT5004981 1981-12-31
IT50049/81A IT1145488B (it) 1981-12-31 1981-12-31 Macchina aggraffatrice automatica per contenitori metallici di forma cilindrica

Publications (1)

Publication Number Publication Date
EP0083909A1 true EP0083909A1 (de) 1983-07-20

Family

ID=11272165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82830094A Withdrawn EP0083909A1 (de) 1981-12-31 1982-04-14 Automatische Verschliessmaschine für zylindrische Metalldosen

Country Status (2)

Country Link
EP (1) EP0083909A1 (de)
IT (1) IT1145488B (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE82865C (de) *
US1436761A (en) * 1917-06-28 1922-11-28 American Can Co Machine for positioning and clinching ends upon can bodies
CH258905A (de) * 1946-09-28 1948-12-31 Ag Ferrum Verfahren und Maschine zum Verschliessen von Blechdosen.
GB780937A (en) * 1956-02-21 1957-08-07 W F And John Barnes Company Improvements in or relating to can end seams
US2957439A (en) * 1954-07-15 1960-10-25 Metal Box Co Ltd Seaming of ends to can bodies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE82865C (de) *
US1436761A (en) * 1917-06-28 1922-11-28 American Can Co Machine for positioning and clinching ends upon can bodies
CH258905A (de) * 1946-09-28 1948-12-31 Ag Ferrum Verfahren und Maschine zum Verschliessen von Blechdosen.
US2957439A (en) * 1954-07-15 1960-10-25 Metal Box Co Ltd Seaming of ends to can bodies
GB780937A (en) * 1956-02-21 1957-08-07 W F And John Barnes Company Improvements in or relating to can end seams

Also Published As

Publication number Publication date
IT1145488B (it) 1986-11-05
IT8150049A0 (it) 1981-12-31

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB LI NL SE

17P Request for examination filed

Effective date: 19840114

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19850618