FR2169165A1 - Rotary vacuum heat sealing press - for plastic containers with vacuum distributor group,heat sealing units,time switch,and prog - Google Patents

Rotary vacuum heat sealing press - for plastic containers with vacuum distributor group,heat sealing units,time switch,and prog

Info

Publication number
FR2169165A1
FR2169165A1 FR7302321A FR7302321A FR2169165A1 FR 2169165 A1 FR2169165 A1 FR 2169165A1 FR 7302321 A FR7302321 A FR 7302321A FR 7302321 A FR7302321 A FR 7302321A FR 2169165 A1 FR2169165 A1 FR 2169165A1
Authority
FR
France
Prior art keywords
heat sealing
vacuum
units
sealing
unit
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.)
Granted
Application number
FR7302321A
Other languages
French (fr)
Other versions
FR2169165B3 (en
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.)
VACUUM PUMP SpA
Original Assignee
VACUUM PUMP SpA
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 VACUUM PUMP SpA filed Critical VACUUM PUMP SpA
Publication of FR2169165A1 publication Critical patent/FR2169165A1/en
Application granted granted Critical
Publication of FR2169165B3 publication Critical patent/FR2169165B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/001—Joining in special atmospheres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/80—Rotatable transfer means for loading or unloading purposes, i.e. turret transfer means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • 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
    • B65B31/022—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 the chambers moving in an endless path

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Packages (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Heat sealing press for heat sealable plastic containers has a vacuum distributor group formed by 'm' separate chambers with different degrees of vacuum, to each of which a vacuum pump is connected, and a number 'n' of vertical, completely independent heat sealing units. Each heat sealing unit has a device for ejecting the containers from the unit, sealing device, and controllers for the vacuum reached in each unit. Pipes (I) connect each of the 'm' chambers with the heat sealing units. A time switch controls the successive rotation of the frames with the heat sealing units at predefined time intervals, the value of each single rotation of the frames being equal to 360 degrees/n. A programming device is provided for effecting a complete sealing cycle by automatically activating the device for introducing the containers at predefined moments in the heat sealing units, and locking devices are provided for opening and closing the pipes (I). The machine has a device for introducing air into the heat sealing unit, a device for continuously connecting the heat sealing press to a flow supply station, an air pressure distributor connected by means of a pressure reducer to a compressed air supply for feeding the container ejection device, and the sealing device, and a contact for effecting the complete sealing cycle. This design guarantees the desired vacuum in each of the plastic containers and affords considerable production flexibility.
FR7302321A 1972-01-25 1973-01-23 Rotary vacuum heat sealing press - for plastic containers with vacuum distributor group,heat sealing units,time switch,and prog Granted FR2169165A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19808/72A IT948042B (en) 1972-01-25 1972-01-25 ROTARY VACUUM SEALING MACHINE FOR HEAT-SEALABLE PLASTIC CONTAINERS

Publications (2)

Publication Number Publication Date
FR2169165A1 true FR2169165A1 (en) 1973-09-07
FR2169165B3 FR2169165B3 (en) 1976-01-30

Family

ID=11161442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302321A Granted FR2169165A1 (en) 1972-01-25 1973-01-23 Rotary vacuum heat sealing press - for plastic containers with vacuum distributor group,heat sealing units,time switch,and prog

Country Status (5)

Country Link
DD (1) DD101629A5 (en)
DE (1) DE2302034A1 (en)
ES (1) ES410914A1 (en)
FR (1) FR2169165A1 (en)
IT (1) IT948042B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622301A1 (en) * 1993-04-29 1994-11-02 Rudolf Christoph Bilz Evacuation apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622301A1 (en) * 1993-04-29 1994-11-02 Rudolf Christoph Bilz Evacuation apparatus

Also Published As

Publication number Publication date
DD101629A5 (en) 1973-11-12
IT948042B (en) 1973-05-30
DE2302034A1 (en) 1973-08-02
FR2169165B3 (en) 1976-01-30
ES410914A1 (en) 1976-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse