EP0182725A1 - Tube pour distribution d'une pâte avec des rayures - Google Patents

Tube pour distribution d'une pâte avec des rayures Download PDF

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Publication number
EP0182725A1
EP0182725A1 EP85420196A EP85420196A EP0182725A1 EP 0182725 A1 EP0182725 A1 EP 0182725A1 EP 85420196 A EP85420196 A EP 85420196A EP 85420196 A EP85420196 A EP 85420196A EP 0182725 A1 EP0182725 A1 EP 0182725A1
Authority
EP
European Patent Office
Prior art keywords
head
skirt
slots
tube
neck
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Withdrawn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
EP85420196A
Other languages
German (de)
English (en)
French (fr)
Inventor
Bernard Schneider
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.)
Albea Tubes France SAS
Original Assignee
Cebal SAS
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 Cebal SAS filed Critical Cebal SAS
Publication of EP0182725A1 publication Critical patent/EP0182725A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/242—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for mixing or discharging of two or more components

Definitions

  • Patent FR 1 155 502 describes a hollow tube and an associated container of scratch-forming material, the hollow tube being force fitted into the discharge part of the dispensing container.
  • the hollow tube has grooves which terminate near the head end of the tube in holes which pass through the wall of the tube and thereby communicate the grooves and the interior of the tube. When the dispensing container is compressed, the scratch-forming material penetrates through the holes and joins the stream of base material which passes through the hollow tube.
  • a tube with a perforated plunging tube is provided with a second tube which is perforated in the same way and rotatable, which makes it possible, depending on the position of the rotary tube, to obtain either a homogeneous paste or a paste scratched.
  • the tube for dispensing a paste with stripes comprises, as is known, a skirt and a head both at least partly made of plastic.
  • the skirt is made of plastic or a metallo-plastic complex.
  • the head is made of plastic, possibly with an insert then largely constituting its internal surface, it comprises a neck, carrying an outlet orifice and possibly a cover, and a shoulder by which the head is welded to the upper end. of the skirt of the tube thanks to the overmolding operation.
  • the head of the tube also comprises an internal skirt in “monobloc” plastic material, that is to say produced by the same overmolding operation and therefore in at least partial continuity with the plastic material of the neck and from the shoulder of the head.
  • this. inner skirt has longitudinal slots typically located at the frustoconical zone of the shoulder of the tube, so as to promote the thrust of the colored product through the slots.
  • the vertical direction is that of the axis of the tube, and the term "longitudinal" designates a direction close to the vertical direction.
  • the junction made between the top of the inner skirt and the top of the inner surface of the shoulder of the tube is sealed, except at the locations of the slots, the upper ends of which are most often made at this junction. There is therefore no possibility of accumulation of the "colored product" in a narrow gap, as in most tubes for pasta distribution with stripes of the prior art.
  • the internal surface of the internal skirt is preferably in line with the internal surface of the neck, so that the progression of the main pasty product is facilitated.
  • the internal skirt and the neck most often carry on their internal surfaces pairs of longitudinal ribs which border each vertical or longitudinal side of the slots in the upper part of these slots, then extend on the internal surface of the gouiot up to the top of this surface.
  • Each pair of ribs thus promotes the introduction of the product for scratches or "colored product” in the main pasty product, then guides this "colored product", ensuring that the stripe formed has sharp edges.
  • Each pair of ribs then constitutes, with the internal surface portion of the neck between these ribs, a guide groove for the colored product. This design of the guide grooves effectively guides the "colored product" to the orifice of a neck having an internal surface whose top converges towards this narrower orifice.
  • the longitudinal ribs can be omitted or slightly marked when it is desired that the scratches of the dough have fuzzy edges, or if it is desired to impregnate the dough with an immiscible product and of identical or similar color.
  • an internal insert forming a barrier for the perfume is introduced during overmolding, while the plastic dobby of the head made of polyethylene or propylene is not sufficiently impervious to this perfume.
  • the insert is made captive of the head by overmolding according to the technique known to a person skilled in the art and its internal surface forms largely and continuously with the plastic material the internal surface of the neck and the shoulder of the head. .
  • the overmolded head then comprises, as in the general case, an internal plastic skirt connected to the top of the head by the longitudinal guide ribs, over the internal surface of the insert. These pairs of ribs act as suspenders supported on the outside by the internal surface of the neck formed at this location by the internal surface of the insert.
  • the longitudinal slots of number typically between 3 and 8, descend to the lower end of the inner skirt.
  • the inner skirt immediately includes, below the longitudinal slots of its upper part, a thin tubular returnable part of height less than the height of the longitudinal slits, the turning of which can be closed off. partly these slots.
  • the height which is bordered by the bottom of the guide ribs is preferably taken as the height of the unmasked slots and the height of the tubular part is adjusted. thin returnable inner skirt to a value equal to or slightly less than the height of the slots not bordered by the longitudinal ribs. The end of the inverted thin tubular part can thus be pushed back or almost crimped under the lower end of the guide ribs.
  • the height of the unmasked slots is typically between 1.5 times and 2.5 times the width of the slots.
  • the head (1) of the first tube (Fig. 1), molded onto the skirt (2), comprises a shoulder (3) surmounted by a neck (4) at the converging rounded end which carries an orifice (5) of reduced diameter surmounted by a tearable cover (6).
  • This neck (4) is extended downwards by an internal skirt (7) whose internal surface (8) extends the internal surface (9) of the job and is in perfect continuity with it.
  • the inner skirt (7) carries four longitudinal slots (10) spaced at 90 °, extending from its lower end (11) to the connection inside of the shoulder (3) and the neck (4), that is to say here over the entire height of the inner skirt (7). This arrangement is favorable for the pushing of the product for scratches through the slots.
  • the internal surface (8 + 9) of the neck and the internal skirt carries 4 pairs of longitudinal ribs (12, 12 ′, 12 "), these ribs going down to the top of the slots (10) and bordering these slits over a short distance so as to favor the introduction of the stripe paste streams on the surface of the main pasty product stream.
  • the pairs of ribs (12, 12 ′) form with the internal surface (9) of the neck grooves (13) continuing to the orifice (5), in which the definition of the edges of the striped dough streams is preserved until the expulsion of the pasty product.
  • a particular tube corresponding to Example 1 has a head (1) of polyethylene molded onto a skirt (2) of polyethylene with a diameter of 40 mm.
  • the thickness of the shoulder (3) is 1 mm, and that of the neck as well as the inner skirt (7) which extends it downwards is 1.2 mm.
  • the height of the substantially frustoconical shoulder (3) is 8 mm, the inner skirt (7) is the same height and its slots (10) have a width of 0.9 mm.
  • the longitudinal ribs (12, 12 ') of the same pair border the top of the slots (10) by 2 mm and continue until the orifice (5) of 4.5 mm diameter.
  • Such a head and its slots are suitable for the distribution of secondary currents of a fairly concentrated syrup contained in the annular space between the shoulder (3) and the inner skirt (7).
  • the head (14) of the second example differs from the head (1) of the first example only in the structure of its inner skirt (15), which allows a reduction in the height of the slots (16) by masking , while remaining within the possibilities of producing an overmolding in a single operation.
  • the inner skirt (15) extending the neck (4) therefore has an upper part (17) carrying four longitudinal slots l16), extending like the slots (10) of the tube (1) up to the interior connection of the shoulder. (3) and the neck (4). and immediately below these longitudinal slots (16) a thin tubular part (18) which can be turned over.
  • the ribs (12, 12 ') are arranged as in Example 1, and the thin tubular part (18) of the inner skirt (15) has a height such that after turning its end (19) comes to be crimped or placed under the lower ends of the longitudinal guide ribs ( 12, 12 '), leaving portions of unmasked slots (100) corresponding to the height of these slots which is bordered by the bottom of the guide ribs (12, 12').
  • the height of the slots not masked by the inversion of the thin tubular part (18) can be changed either by modifying the position of the lower end of the guide ribs (12), or by shortening the tubular part thin (18) of the inner skirt (15).
  • the head (20) of the third example consists of a plastic material such as polyethylene or prolypropylene and an insert (21) molded separately from a different material, for example polyester, constituting a barrier with respect to the perfume. contained in the pasty product to be packaged.
  • the tube (22) carrying this head (20) molded onto the skirt (23) is shown at the end of the injection molding operation, its end (24) will then be cut along the plane (X), which will release the opening (25).
  • the insert (21) is trapped in the plastic material (26) in a known manner, using annular beads (27) and (28) of this plastic material which enclose the top (29) and bottom (30) ends respectively. ) of the insert (21) each provided with a thin peripheral inner rib (290) and (300) further improving the locking.
  • the head (20) has an inner skirt (31) comprising an upper part (32) carrying four longitudinal slots (33), and below these longitudinal slots (33) a thin tubular part ( 18) returnable.
  • the upper end (34) of the slots (33) corresponds substantially below the bead (35) of plastic material formed under the insert (21) during molding.
  • This bead (35) forms the upper end (310) of the inner skirt.
  • the inner skirt (31) is connected to the upper part (36) of the head (20) by 4 pairs of longitudinal ribs (37) applied by molding on the internal surface (38) of the cylindrical part (or very slightly frustoconical the insert (21) which constitutes most of the internal surface of the neck (39).
  • ribs (37) border the top of the longitudinal slots (33) over a height corresponding substantially to the height of the portions (330) of the slots (33) which remain unmasked after the thimble of the tubular part (18) symbolized by the arrows (F), the end (18) of this thin tubular part then coming, as previously, to be housed under the lower ends of the longitudinal ribs (37), as shown in broken lines in FIG. 3.
  • the grooves of the tool corresponding to the longitudinal ribs (37) allow the injection of the plastic to the inner skirt (31) during the molding operation of the head (20).
  • This practical example corresponding to Example 3 relates to a tube having a metalloplastic skirt (33) with an external diameter of 28 mm and a head (20) on molded in polyethylene with an insert (21) in polyester molded separately comprising an orifice (25). 8 mm in diameter.
  • the insert (21) comprises, above a frustoconical part whose lower end (30) has an external diameter of 26 mm, a cylindrical part whose internal surface (38) has a diameter of 9 mm.
  • the thickness of the insert is 0.7 mm.
  • the upper part (32) of the inner skirt (31) is 1 mm thick, 8 mm high and an internal surface with a diameter of 9 mm in line with the internal surface (38) of the insert (21).
  • the lower part (18) of the skirt (31) has a thickness of 0.3 mm and a height of 6 mm.
  • the ribs (37) have a cross section of 1 mm in relief x 1.5 mm in width, the ribs (37) of each pair being spaced a little more than 1 mm and their lower part framing 2 mm above a slot (33) 1 mm wide and 7 mm total height.
  • the invention typically applies to plastic tubes of diameter 20 to 40 mm, having an orifice of diameter between 5 and 15 mm, containing pasty products for food, pharmaceutical or cosmetic use.
  • the product for scratches contained in the annular space located between the shoulder and the internal skirt is usually immiscible or slightly miscible with the main product and fairly viscous.
  • the skirt (2, 23) of the tube is usually either polyethylene, polypropylene, or a metalloplastic complex comprising an inner layer of polyethylene.
  • the head or at least its plastic material is in the first two cases made of polyethylene or polypropylene like the skirt, and polyethylene in the case of a metalloplastic skirt.
  • the inside diameter of the neck is typically between 7 and 16 mm.
  • the slots usually in number between 3 and 8 and limited to the level of the frustoconical shoulder region of the tube, have a length between 5 and 12 mm and a width between 0.5 and 2 mm, for example: 0 , 5 to 1 mm for concentrated syrup and 1.2 to 2 mm for more viscous chewing gum.
  • the unmasked height usually varies from 1 to 4 mm, it is typically of the order of 2 times the width of the slot .
  • the relief of the ribs relative to the internal surface of the inner skirt and of the neck is preferably between 0.5 and 2 mm and from 0.7 times to 1.3 times the width of the slots, so that the flow grooves formed between the main pasty product, the ribs of the same pair and the internal surface of the neck which connects these ribs, have roughly square cross sections.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Closures For Containers (AREA)
EP85420196A 1984-10-30 1985-10-28 Tube pour distribution d'une pâte avec des rayures Withdrawn EP0182725A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8416906A FR2572366B1 (fr) 1984-10-30 1984-10-30 Tube pour distribution d'une pate avec des rayures
FR8416906 1984-10-30

Publications (1)

Publication Number Publication Date
EP0182725A1 true EP0182725A1 (fr) 1986-05-28

Family

ID=9309322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85420196A Withdrawn EP0182725A1 (fr) 1984-10-30 1985-10-28 Tube pour distribution d'une pâte avec des rayures

Country Status (5)

Country Link
EP (1) EP0182725A1 (enrdf_load_stackoverflow)
DK (1) DK490485A (enrdf_load_stackoverflow)
ES (1) ES8701657A1 (enrdf_load_stackoverflow)
FR (1) FR2572366B1 (enrdf_load_stackoverflow)
GR (1) GR852594B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619790A1 (fr) * 1987-08-25 1989-03-03 Cebal Tube pour distribution d'une pate avec des rayures comportant une tete a jupe interieure aplatissable
FR2622542A1 (fr) * 1987-11-03 1989-05-05 Cebal Tube pour distribution d'une pate avec des rayures comportant une tete monobloc a double jupe
EP0344914A1 (en) * 1988-05-31 1989-12-06 Owens-Illinois Closure Inc., Dispenser for viscous fluids

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1082471A (fr) * 1953-08-04 1954-12-29 Dev Res Dispositif de fermeture de récipients distributeurs
FR1155502A (fr) * 1956-06-16 1958-05-05 Perfectionnements aux récipients distributeurs de pâtes de couleurs différentes
GB956377A (en) * 1959-12-30 1964-04-29 Unilever Ltd Improvements in or relating to devices for dispensing paste-like materials
FR1584393A (enrdf_load_stackoverflow) * 1967-08-25 1969-12-19
GB1534881A (en) * 1975-11-21 1978-12-06 Blendax Werke Schneider Co Device for simultaneously extruding two paste-like compositions
DE3216747A1 (de) * 1982-05-05 1983-11-10 Franz 7500 Karlsruhe Kutterer Tubenkopf

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1082471A (fr) * 1953-08-04 1954-12-29 Dev Res Dispositif de fermeture de récipients distributeurs
FR1155502A (fr) * 1956-06-16 1958-05-05 Perfectionnements aux récipients distributeurs de pâtes de couleurs différentes
GB956377A (en) * 1959-12-30 1964-04-29 Unilever Ltd Improvements in or relating to devices for dispensing paste-like materials
FR1584393A (enrdf_load_stackoverflow) * 1967-08-25 1969-12-19
GB1534881A (en) * 1975-11-21 1978-12-06 Blendax Werke Schneider Co Device for simultaneously extruding two paste-like compositions
DE3216747A1 (de) * 1982-05-05 1983-11-10 Franz 7500 Karlsruhe Kutterer Tubenkopf

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619790A1 (fr) * 1987-08-25 1989-03-03 Cebal Tube pour distribution d'une pate avec des rayures comportant une tete a jupe interieure aplatissable
FR2622542A1 (fr) * 1987-11-03 1989-05-05 Cebal Tube pour distribution d'une pate avec des rayures comportant une tete monobloc a double jupe
EP0315554A1 (fr) * 1987-11-03 1989-05-10 Cebal Tube pour distribution d'une pâte avec des rayures comportant une tête monobloc à double jupe
US4942981A (en) * 1987-11-03 1990-07-24 Cebal Tube for the distribution of a paste with stripes comprising a one-piece head with a double skirt
EP0344914A1 (en) * 1988-05-31 1989-12-06 Owens-Illinois Closure Inc., Dispenser for viscous fluids

Also Published As

Publication number Publication date
DK490485D0 (da) 1985-10-25
FR2572366B1 (fr) 1987-07-31
FR2572366A1 (fr) 1986-05-02
ES548310A0 (es) 1986-12-01
DK490485A (da) 1986-05-01
ES8701657A1 (es) 1986-12-01
GR852594B (enrdf_load_stackoverflow) 1986-02-03

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