EP0050564B1 - Machine à sertir sous atmosphère contrôlée - Google Patents

Machine à sertir sous atmosphère contrôlée Download PDF

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Publication number
EP0050564B1
EP0050564B1 EP81401610A EP81401610A EP0050564B1 EP 0050564 B1 EP0050564 B1 EP 0050564B1 EP 81401610 A EP81401610 A EP 81401610A EP 81401610 A EP81401610 A EP 81401610A EP 0050564 B1 EP0050564 B1 EP 0050564B1
Authority
EP
European Patent Office
Prior art keywords
frame
crimping head
axis
door
enclosure
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
Application number
EP81401610A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0050564A1 (fr
Inventor
Jean-Charles Marchadour
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 EP0050564A1 publication Critical patent/EP0050564A1/fr
Application granted granted Critical
Publication of EP0050564B1 publication Critical patent/EP0050564B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
    • 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

  • the present invention relates to a vacuum crimping machine suitable in particular for assembling a bottom or a can lid with the body of said can previously filled with a food substance or not.
  • crimping a vacuum crimping or to a crimping in a neutral atmosphere. This process will be called crimping under a controlled atmosphere.
  • the actual crimping consists of stapling by a set of rollers brought into contact and deforming together the edges of the elements to be crimped during a relative peripheral movement between the box and the rollers.
  • the box is kept fixed during the crimping operation while the set of rollers carried by a crimping head rotates around the box.
  • Crimping under a controlled atmosphere leads to the need to enclose the crimping head in an enclosure into which the crimping box elements are introduced by means of an airlock ensuring the isolation of the enclosure from to the outside atmosphere.
  • Locking the head makes it very difficult to access. However, it is necessary to reach this head to proceed on the one hand to its adjustments and its maintenance and on the other hand to the modifications of its adjustments to treat with the same head containers of different characteristics. These development operations are often long and delicate even when openings in the enclosure have been provided for this purpose and require numerous assemblies and disassembly.
  • a machine of the kind under consideration, as defined in the preamble of claim 1, is described in patent US-A-2 047 423.
  • the enclosure which envelops the crimping head of this machine comprises a movable element constituting a door that can be removed from the frame to open the interior space of said enclosure, however without obtaining easy access to the crimping head.
  • the present invention intends to remedy these drawbacks by proposing a crimping machine with controlled atmosphere for shaped boxes having a crimping head which is easily accessible quickly without complex assembly and disassembly operations.
  • said bracket comprises a sleeve for guiding the crimping head whose vertical axis is, in the working position, placed and retained substantially in the plane of the above joint surface, clamping means being provided in correspondence between said surface and said sheath.
  • the driving of the crimping head is ensured by means of toothed wheels coaxial with its axis, located under said sleeve and capable of meshing in said working position with corresponding toothed wheels provided fixedly in the frame. in the vicinity of the enclosure, in a gearbox open on the side of the joint surface.
  • Said box is provided at its abovementioned opening with a closing member articulated on the frame in the vicinity of said joint surface forming a closed casing around the crimping head when its coupling is achieved and ensuring the tightness of the box with cogwheels relative to the enclosure.
  • the machine comprises a frame 1 supporting a power transfer mechanism and evacuation of the crimped and crimped elements comprising a supply device 2 bodies of boxes, a device 3 for storing and supplying covers or bottoms, a device 4 for transferring box bodies equipped with their cover or bottom not crimped and a carousel5 for taking up these boxes to place them at the post and evacuate them.
  • This mechanism extends in a horizontal plane so that its right end in the figure is located under a part 1a of the frame provided with the crimping head. Said crimping head not visible in this figure is brought to vertical rotation about an axis 6 by the part 1a of the frame. It is enclosed in an enclosure of which an outer wall 7 can be seen.
  • FIGs 2, 3 and 4 there is shown in more detail the above part 1a of the frame from which an upper casing has been subtracted 8.
  • This part of the frame has a front surface 9 ( Figure 3) covered by an articulated element 10 forming a door.
  • the axis 11 of articulation of this door is lateral and parallel to the axis 6 of rotation of the crimping head.
  • This door is kept pressed against the front surface 9 by means of hooks 12 located on the other side of the frame with respect to the axis 11.
  • said door is provided with a lower plate 13 which seals with the surface upper part of the carousel 5.
  • the door is mounted slightly sliding on its hinge axis 11.
  • a cam surface 14 makes it possible to lift the door with respect to frame parts 15 on which it rests and is hung at 13a, and after unlocking the hooks 12 and 13a to facilitate its opening.
  • the plate 13 further constitutes a means of closing the cells 5a of the carousel which pass under it cooperating with the side walls of the parts 15, and a bottom plate of cells 5a, it forms said cells and isolates them from the external atmosphere. .
  • a neutral or vacuum gas supply 16 By means of a neutral or vacuum gas supply 16, the interior space of these cells, and therefore the box they contain, is placed in an atmosphere close to that of the crimping.
  • these cells form an airlock for the introduction of the boxes under the crimping head.
  • the door 10 is internally hollowed out and thus constitutes a removable wall of an enclosure with controlled atmosphere in which the crimping head operates, which will be better described with reference to FIG. 5.
  • the frame part 1a has, in the vicinity of its front face 9, an articulation axis 17 parallel and laterally opposite the axis 11.
  • An upper support 18 is articulated on the frame around this axis 17.
  • This support constitutes a support bracket for the crimping head making it possible to pivot its axis 6 from a position where it is substantially coincident with the plane of the front face 9 to another position illustrated by FIG. 5 in which the crimping head is placed in a side overhang relative to the carousel 5.
  • FIG. 5 which represents the part 1a of the frame with the door 10 open, there are some of the elements already described with the same references.
  • the crimping head of the machine was symbolized in 19. It can be seen that the latter is suspended from the bracket 18 which comprises a sheath 20 in which the shaft 6 of the head 19 is rotatably mounted. Pinions 21 and 22 for driving the elements not shown, internal to the crimping head are placed coaxially with said sleeve 20. By rotating the bracket 18 around the axis 17, the crimping head is placed in its working position above the crimping station of the carousel 5.
  • the sheath 20 is placed in semi-cylindrical housings 23 formed in the front face 9 of the frame and the toothed wheels 21, 22 mesh with corresponding toothed wheels 24, 25 provided in a box 26 opening on the face 9 and driven in rotation by means of a drive device of which we see at 27 the driving belt.
  • the frame 1a has a cavity 28 for receiving a part of the crimping head 19, which is bordered by the front face 9 above.
  • the door 10 for its part comprises semi-cylindrical housings 10a to surround the sheath 20 when it is closed on the wall 9 and a cavity 10b corresponding to the cavity 28 of the frame for housing the other part of the crimping head.
  • a seal 10c forms a seal vis-à-vis the outside of the enclosure formed by the cavities 28 and 10b on three of their sides. Sealing at the lower level is ensured as indicated above by means of the plate 13 secured to the door and very close to the carousel 5.
  • the sheath 20 is immobilized in its housing 23 by means of a clamping member comprising a screw 29 screwed into the frame a1 and a washer 30 having a cutaway 30a.
  • a countersink 20a of the sheath is arranged so as to constitute a bearing face on the cylindrical part of the washer 30 when the screw 29 is screwed, the disassembly being carried out by releasing from this countersink 20a the above cylindrical part to place the cutaway facing the countersink as shown in FIG. 6.
  • a casing 31 is articulated at 31a on the frame in the vicinity of the front face 9 and can close the gearbox 26 in a substantially sealed manner with respect to the pregnant 28.10b. This figure does not show the clamping means of this casing 31, which are known in themselves.
  • the invention provides a crimper equipped with the aforementioned characteristic means with great flexibility in handling and development, thanks to which the downtime is greatly reduced. The profitability of the machine is increased accordingly.
  • the invention finds an interesting application in the field of packaging machines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)
  • Sealing Of Jars (AREA)
  • Closing Of Containers (AREA)
EP81401610A 1980-10-17 1981-10-15 Machine à sertir sous atmosphère contrôlée Expired EP0050564B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8022241 1980-10-17
FR8022241A FR2492287A1 (fr) 1980-10-17 1980-10-17 Machine a sertir sous atmosphere controlee

Publications (2)

Publication Number Publication Date
EP0050564A1 EP0050564A1 (fr) 1982-04-28
EP0050564B1 true EP0050564B1 (fr) 1985-04-24

Family

ID=9247024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401610A Expired EP0050564B1 (fr) 1980-10-17 1981-10-15 Machine à sertir sous atmosphère contrôlée

Country Status (4)

Country Link
US (1) US4437290A (enExample)
EP (1) EP0050564B1 (enExample)
DE (1) DE3170161D1 (enExample)
FR (1) FR2492287A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5845461A (en) * 1996-04-17 1998-12-08 Miller, Ii; Harry W. Method and apparatus for filling and sealing an inflator for an automotive airbag module

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323930A (en) * 1919-12-02 thullen
US1758369A (en) * 1926-10-25 1930-05-13 Thermokept Corp Closing machine
US1809905A (en) * 1928-10-03 1931-06-16 Adolph K Malmquist Can sealing machine
US1983252A (en) * 1929-06-21 1934-12-04 Continental Can Co Can vacuumizing and sealing machine
GB363641A (en) 1929-09-24 1931-12-21 Pierre Gabriel Janot Improvements in or relating to apparatus for sealing cans and the like in vacuo
US1983253A (en) * 1931-01-13 1934-12-04 Continental Can Co Can vacuumizing and closing machine
US2047423A (en) * 1932-04-14 1936-07-14 Swift & Co Apparatus for closing cans
US2039338A (en) * 1932-07-30 1936-05-05 American Can Co Vacuum closing machine
US2025061A (en) * 1933-11-15 1935-12-24 Continental Can Co Machine for closing cans
US2183903A (en) 1937-09-07 1939-12-19 Continental Can Co Machine for hand seaming in vacuum
US2268301A (en) 1939-04-17 1941-12-30 Continental Can Co Manually operated vacuum sealer for containers
US2271153A (en) * 1939-11-27 1942-01-27 Continental Can Co Square can seaming head
US2579935A (en) * 1942-09-19 1951-12-25 Continental Can Co Vacuumizing and sealing apparatus
US2517323A (en) * 1944-06-24 1950-08-01 Continental Can Co Machine for vacuumizing and closing filled oblong cans
US2875566A (en) 1953-04-28 1959-03-03 Polymer Corp Packaging machine
US4008658A (en) 1975-03-26 1977-02-22 Stock Equipment Company Apparatus for receiving and compacting waste material

Also Published As

Publication number Publication date
DE3170161D1 (en) 1985-05-30
EP0050564A1 (fr) 1982-04-28
FR2492287A1 (fr) 1982-04-23
FR2492287B1 (enExample) 1984-04-06
US4437290A (en) 1984-03-20

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