US3352086A - Packaging - Google Patents

Packaging Download PDF

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Publication number
US3352086A
US3352086A US39087364A US3352086A US 3352086 A US3352086 A US 3352086A US 39087364 A US39087364 A US 39087364A US 3352086 A US3352086 A US 3352086A
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US
United States
Prior art keywords
foil
articles
packaging
compressed air
box
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
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English (en)
Inventor
Bischof Hans
Hersperger Karl Gottlieb
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
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Publication of US3352086A publication Critical patent/US3352086A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • 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
    • B29C66/826—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined
    • B29C66/8266—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined using fluid pressure directly acting on the parts to be joined
    • 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
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
    • 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
    • B65B17/00—Other machines, apparatus, or methods for packaging articles or materials
    • B65B17/02—Joining articles, e.g. cans, directly to each other for convenience of storage, transport, or handling
    • B65B17/025—Joining articles, e.g. cans, directly to each other for convenience of storage, transport, or handling the articles being joined by a top carrier element
    • 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
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/22—Packaging glass ampoules, lamp bulbs, radio valves or tubes, or the like
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/20—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents
    • B65B61/22—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents for placing protecting sheets, plugs, or wads over contents, e.g. cotton-wool in bottles of pills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics

Definitions

  • This invention relates to ya process for packaging articles which are susceptible to impact and pressure and which are at least of about the same length, to a machine for carrying out this process, and to a package prepared by the process.
  • Unlilled metal tu-bes which lare to be transported from the manufacturer to the ller have hitherto usually been placed vertically in containers (boxes or cases) with their screw closures turned downwa-rdly, the containers being provided with various types of insertions, for example in the form of criss-cross partitions of cardboard or other material (see FIGURE 1 of the accompanying drawings).
  • the process according to this invention comprises locating the articles to be packaged side by side corresponding to the space in the packaging container, covering their upper ends with a foil of thermoplastic material which retains its shape at room tempera-ture, then heating the foil and pressing it in the heated condition by means of pressure acting on the upper side of the foil into gripping engagement with the ends of the articles while bulging the foil into gaps at the said end of the articles so that, after the foil has cooled, the said ends are iixed in their mutual positions.
  • the invention also includes a machine for carrying out the said process, and also a package of articles when prepared by the said process.
  • FIGURE 1 is a perspective view of the prior art packaging box for empty tubes already described
  • FIGURE 2 is a perspective view of xa box containing empty metal tubes located in side-by-side position with their screw cap -closures turned downwardly;
  • FIGURE 3 is the same as FIGURE 2 except that a plastics foil closes the box;
  • FIGURES 4 and 5 illustrate diagrammatically in section a iirst embodiment of a machine for carrying out the process in two different positions of the parts of the machine;
  • FIGURES 6 and 7 show in a similar way a second embodiment of machine for carrying out the process.
  • the tubes a are placed in a box b side by side with their screw cap closures turned downwardly.
  • the tubes thus stand with their top ends on the bot-tom of the box b and with their open rear ends, through which the contents (for example toothpaste) have still to be filled by the manufacturer of the contents, at the top.
  • a covering foil of thermoplastic material for example of polystyrene or polyvinyl chloride, having a thickness for example of 0.01 to 0.04 mm., is laid on the upturned open ends of the tubes. This foil is then heated and exposed in the heated condition to the action of gas pressure. How these two steps of the process may best be carried out will be explained later in greater detail.
  • the covering foil Ibe large enough to enable it to be turned over the upper edge of the box b at the same time while in the heated c-ondition, as shown in FIGURE V3, so that a dustproof closure of the box is ensured.
  • the foil is grasped at one corner and detached and removed from the edge of the box and from the ends of the tubes by an unrolling movement carried out across the top of the box.
  • the tubes may be placed in the packaging box with their screw cap closures at the top. 'I'he covering foil is then brought into gripping engagement with the screw caps by bulging out the foil in the abovementioned way at the appropriate places.
  • articles other .than tubes which have equal or approximately equal length, may be packaged if the -articles are to be fixed at least ⁇ at their upwardly directed ends in their mutual packaging positions by reason of their susceptibility to impact and pressure. If i-t is desired to iix the articles at two opposite ends (top and bottom) in their relative positions, they are placed at the start side by side, not in the packaging box, but in an auxiliary frame having an equivalent capacity which is then turned over when the foil has been applied to one end. The articles iixed at one end are then taken out from the auxiliary frame and placed Ias a packaging unit in the despatch box.
  • FIGURES 4 and 5 show diagrammatically the fundamental construction of -a machine with which the packaging process described above may be carried out.
  • This machine is composed of the following main parts:
  • a clamping frame composed of a lower frame portion e1 .and an upper frame portion e2 in which a covering foil is laid and held by clamping at the peripheral edge;
  • a heating hood g provided with an electric-al heating element (not shown) and capable of displacement in a horizontal direction;
  • a compressed air chamber h open at the bottom, which is connected to a source of compressed air and has a manometer h1 to indicate the pressure prevailing therein.
  • the compressed air chamber may be moved in the vertical direction (by means not shown) so that .after the heating hood g has been removed the compressed air chamber may be lowered to effect close engagement of the lower edge of the opening in corresponding peripheral grooves in the upper frame portion e2.
  • the packaging process described above may be carried out as follows on the machine according to FIG- URES 4 and 5 of which only the main portions are shown and moreover shown unconnected to each other.
  • the box b with the empty tubes a therein as shown in FIGURE 2 is placed on the supporting base d.
  • a foil of thermoplastic material f is clamped by its edge between the two frame portions e1 and e2 and the foil thus clamped is lead by means of the frame on the upturned end of the box.
  • the heating hood g is then moved over the foil f and the latter heated until it softens.
  • the heating hood g is then moved away and the compressed air chamber h is lowered until its lower edge engages airtight in the groove of the upper frame portion e2. In this position of the chamber h, compressed air is supplied thereto and in consequence the foil, in a heated and softened condition, bulges out wherever gaps occur beneath the same.
  • the final mechanic-a1 operation while the foil f is still hot, is to impart ya short lift to the supporting base d in order to lift the upper edge of the box b into the opening in the frame e1, e2.
  • the edge of the foil f is thus turned over the edge of the box b, so that a tight closure of the box with the metal tubes situated therein and secured in their packaging positions is ensured.
  • the machine according to FIGURES 4 and 5 may be adapted for manual operation or, by appropriate provision, for automatic operation.
  • FIGURES 6 and 7 illustrate another embodiment of a machine for carrying out the process.
  • This machine has as essential parts a supporting base d movable in vertical direction for the packaging box b with the tubes a to be closed, a clamping frame consisting of a lower frame portion e3 and an upper frame portion e4 for reception and clamping of a foil f, a compressed air chamber h2 open at the bottom which has a removable cover h3 and is fed from a compressed air source h1, and a heating hood g1 above the compressed air chamber h2.
  • FIGURES 6 and 7 contrasted with the embodiment according to FIGURES 4 and 5, has a separating means e6.
  • the various parts in FIGURES 6 and 7 are also capable of up and down movement.
  • the box b with the tubes ai arranged therein is placed on the supporting base d (see FIGURE 6).
  • a foil f of thermoplastic material is placed between the two frame portions e3 and e4 with its edge clamped therebetween and the clamped foil is applied to the upturned box end by means of the frame while lifting the supporting base with the box.
  • the compressed air chamber h2 and the heating hood g1 are lowered until the compressed air chamber is about over the foil. With the cover h3 opened, the foil is Ithen heated up by the heating hood g1 through the compressed air chamber h2.
  • the cover h3 of the compressed air chamber is closed and the compressed air chamber is lowered to the position shown in FIGURE 7, so that the foil is turned over the edge of the box and clamped rmly between the compressed air chamber and the edge e5 of the frame portion e3.
  • the surplus edge of the foil outside the clamping between the compressed air chamber and the edge e5 of the frame portion is parted by the lowered separating means e6-
  • the lowered compressed air chamber closed at the top, has compressed air supplied to it from the compressed air source h1 and the heated foil is forced by the compressed air into the gaps between the tubes and into the open tube ends.
  • the importance of the machine according to FIGURES 6 and 7 is mainly that the latter permits more rapid operation than the former. This is due to the fact that the heating hood does not have to be moved away as in the machine according to FIGURES 4 and 5. Closing of the cover h3 can be effected more rapidly than moving the heating hood away, and after the cover h3 has been opened, the heating hood, which in the meanwhile can store its heat, is immediately ready to heat up the foil for the next packaging step.
  • the compressed air effects a rapid cooling of the hot foil, the compressed air chamber being lifted somewhat from the edge e5 after the foil has been appropriately bulged, so that compressed air can escape from the compressed air chamber through the annular opening formed.
  • a process for packaging articles susceptible to impact and pressure having at least approximately the same length, as for example empty metal tubes, in a container which comprises placing the articles to be packaged vertically side by side according to the capacity of the container, covering the upper end of the articles with a foil of thermoplastic material which retains its shape at room temperature, heating the foil and while it is in the heated Icondition forcing it by pressure acting on the upper surface thereof into gripping contact with the said ends of the articles while bulging the foil into gaps in or between the articles located beneath the foil, so that after the foil has cooled the ends of the articles are fixed in their relative positions, said covering foil, while still in the heated condition, being turned over the edge of the packaging container to p-rovide a dustproof closure for the container.
  • a machine for packaging articles susceptible to impact and pressure comprising the following components:
  • a ysupporting base movable in vertical direction, upon which may be placed a packaging container or auxiliary frame containing the articles;
  • a bipartile clamping frame for clamping a foil yof thermoplastic material
  • Icompressed air chamber capable of movement in a vertical direction, said chamber being open at the bottom and connected to a source of compressed air
  • said compressed air chamber being arranged between said heating hood and said clamping frame and having a cover which is capable of being removed so that the foil held by said clamping frame can be heated up by the heating hood through the 5 opened compressed air chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Closing Of Containers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
US39087364 1963-08-22 1964-08-20 Packaging Expired - Lifetime US3352086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1038063A CH404519A (de) 1963-08-22 1963-08-22 Verfahren zum Verpacken von schlag- und druckempfindlichen Gegenständen von mindestens annähernd gleicher Grösse, Vorrichtung zur Durchführung dieses Verfahrens und nach diesem Verfahren hergestellte Packung

Publications (1)

Publication Number Publication Date
US3352086A true US3352086A (en) 1967-11-14

Family

ID=4362607

Family Applications (1)

Application Number Title Priority Date Filing Date
US39087364 Expired - Lifetime US3352086A (en) 1963-08-22 1964-08-20 Packaging

Country Status (5)

Country Link
US (1) US3352086A (de)
CH (1) CH404519A (de)
DK (1) DK112578B (de)
NL (1) NL142123B (de)
SE (1) SE323323B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962844A (en) * 1974-08-21 1976-06-15 International Paper Company Process for forming and applying a hermetic, heat sealed closure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980022A (en) * 1929-07-05 1934-11-06 Sanite Corp Method and apparatus for covering articles with sheet material
CH332684A (fr) * 1956-05-07 1958-09-15 Demenge Jacques Procédé d'emballage de petits objets, notamment de boutons
US2892294A (en) * 1957-03-01 1959-06-30 Washington Steel Products Inc Packaging apparatus and method
US2984056A (en) * 1958-05-09 1961-05-16 William M Scholl Method of packaging

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980022A (en) * 1929-07-05 1934-11-06 Sanite Corp Method and apparatus for covering articles with sheet material
CH332684A (fr) * 1956-05-07 1958-09-15 Demenge Jacques Procédé d'emballage de petits objets, notamment de boutons
US2892294A (en) * 1957-03-01 1959-06-30 Washington Steel Products Inc Packaging apparatus and method
US2984056A (en) * 1958-05-09 1961-05-16 William M Scholl Method of packaging

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962844A (en) * 1974-08-21 1976-06-15 International Paper Company Process for forming and applying a hermetic, heat sealed closure

Also Published As

Publication number Publication date
CH404519A (de) 1965-12-15
SE323323B (de) 1970-04-27
DK112578B (da) 1968-12-23
NL142123B (nl) 1974-05-15
NL6409497A (de) 1965-02-23

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NO137142B (no) Fremgangsm}te til p} en overlappende m}te } sammenf¦ye termoplastiske skumark eller filmer