EP0732276A1 - Behälter zum Verstäuben von Flüssigkeiten und Verfahren zur Herstellung desselben - Google Patents

Behälter zum Verstäuben von Flüssigkeiten und Verfahren zur Herstellung desselben Download PDF

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Publication number
EP0732276A1
EP0732276A1 EP96400351A EP96400351A EP0732276A1 EP 0732276 A1 EP0732276 A1 EP 0732276A1 EP 96400351 A EP96400351 A EP 96400351A EP 96400351 A EP96400351 A EP 96400351A EP 0732276 A1 EP0732276 A1 EP 0732276A1
Authority
EP
European Patent Office
Prior art keywords
scratches
piston
liquid
packaging
wall
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
EP96400351A
Other languages
English (en)
French (fr)
Other versions
EP0732276B1 (de
Inventor
Vincent De Laforcade
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of EP0732276A1 publication Critical patent/EP0732276A1/de
Application granted granted Critical
Publication of EP0732276B1 publication Critical patent/EP0732276B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/64—Contents and propellant separated by piston

Definitions

  • the present invention relates to a package comprising a piston and to a method of manufacturing this package.
  • This packaging contains in particular a liquid sprayed by means of a propellant gas.
  • This packaging can be used in the food, chemical, cosmetic, dermatological, insecticide and cleaning agent fields.
  • cylindrical packaging generally called an aerosol can, comprising in their internal volume a piston capable of sliding along the longest axis of the packaging, generally the longitudinal axis.
  • the pistons of these packages are conventionally provided with seals of geometric shape adapted to the shape of the packaging / piston assembly, such as for example of toric or annular shape. These seals have the role of ensuring a seal of the piston and therefore of the packaging with respect to the liquid and the gas present in compartments separated by the piston. This tightness is not sufficient vis-à-vis the liquid (lateral passage of gas in the liquid), it is also necessary to strengthen it by the presence of a scraper lip mounted on the joint integral with the piston. Thus, when the piston slides along the long axis of the packaging, the combination of the scraper lip and the seal on the piston makes it possible, while scraping the internal wall of the packaging, to ensure correct sealing of the packaging with respect to the liquid it contains.
  • the object of the invention is to propose a new packaging which makes it possible to ensure a sufficient and correct seal between the gas and the liquid present in the packaging, while ensuring a tightness of the piston with respect to the gas, and therefore without present the drawbacks of the prior art.
  • the present invention therefore relates to a package having a longitudinal axis, comprising an internal wall and an external wall, and in which a piston slides, characterized in that a part of the internal wall, capable of being in contact with the piston, includes scratches perpendicular to the longitudinal axis to ensure a seal between the piston and the wall.
  • the invention more particularly relates to a packaging of substantially cylindrical shape containing in two separate compartments a liquid and a propellant.
  • the packaging according to the invention makes it possible to ensure correct and sufficient tightness of the piston with respect to the propellant gas and the liquid, without having to resort to the use of a coating substance, such as a varnish, on the inner wall of the packaging.
  • the packaging piston is provided with a seal contained in a plane parallel to the scratches, the seal ensuring, as in the state of the art, the sealing of the gas towards the liquid.
  • the seal may be annular and preferably of substantially toric shape.
  • the invention also relates to a process for manufacturing the above-mentioned packaging.
  • This process includes a step of brushing the internal wall of the packaging perpendicular to the longitudinal axis.
  • This step consists of introducing a brush into the packaging, applying it to its internal surface without translational movement, then removing it and washing the packaging of the particles of material from the brushing operation.
  • the other steps of the method are in accordance with the prior art.
  • the scratches on the inner wall of the packaging can be spaced irregularly.
  • these stripes are continuous stripes. They can be spaced apart by a distance less than or equal to 1000 ⁇ m and preferably by a distance less than or equal to 100 ⁇ m.
  • the scratches can, moreover, have a depth less than or equal to 100 ⁇ m and better from 25 ⁇ m to 50 ⁇ m.
  • the scratches may be deeper than the crevices parallel to the longitudinal axis, caused by the spinning of the inner wall. Consequently, the influence of crevices is obscured by the presence of stripes perpendicular to this axis.
  • the packaging can be made of a material chosen from rigid plastic materials and metallic materials.
  • the packaging is made of metal and in particular aluminum, steel, iron.
  • the packaging is made of a material whose hardness is sufficient to give scratches when brushing the internal wall.
  • the packaging can contain all the compositions conventionally used in the field of cosmetics and / or dermatology, or food.
  • the gas propellant used can be any gas conventionally used in the abovementioned fields.
  • a cylindrical packaging 1 comprising an aluminum body 2 and a plastic cap 3.
  • a longitudinal axis A of revolution passes through the packaging.
  • the body 2 consists on the one hand of a compartment 4 comprising the liquid 5 and on the other hand of a compartment 6, distinct from the compartment 4, and comprising the propellant gas.
  • a piston 8 provided laterally with a seal O-ring 9 separates the two compartments.
  • the body 2 can also be provided with a filling valve (not shown) with propellant gas 7.
  • the cap 3 protects a spray assembly consisting of a valve 10 on which a control rod 11 is inserted.
  • the rod 11 includes a shoulder 12 on which bears a pin 13 provided with an orifice.
  • the cap 3 further comprises a push button 16 on which a user can press to release the liquid.
  • the body 2 comprises on its internal wall 17 stripes 18 regularly spaced from each other by 50 ⁇ m. These scratches are made to a depth of 30 ⁇ m in the internal wall 17. These scratches are obtained by brushing the internal wall with a rotary brush with metal bristles.
  • a user To obtain the spraying of the liquid, a user must press the push button 16. This allows the pin 13 to press on the shoulder 12 of the rod 11 and therefore cause the liquid to exit towards the outside via the nozzle.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
EP96400351A 1995-03-15 1996-02-20 Behälter zum Verstäuben von Flüssigkeiten und Verfahren zur Herstellung desselben Expired - Lifetime EP0732276B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9503012A FR2731683B1 (fr) 1995-03-15 1995-03-15 Conditionnement de pulverisation, procede de fabrication
FR9503012 1995-03-15

Publications (2)

Publication Number Publication Date
EP0732276A1 true EP0732276A1 (de) 1996-09-18
EP0732276B1 EP0732276B1 (de) 1997-01-22

Family

ID=9477052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96400351A Expired - Lifetime EP0732276B1 (de) 1995-03-15 1996-02-20 Behälter zum Verstäuben von Flüssigkeiten und Verfahren zur Herstellung desselben

Country Status (11)

Country Link
US (2) US5775549A (de)
EP (1) EP0732276B1 (de)
JP (1) JP2710607B2 (de)
AR (1) AR001235A1 (de)
AT (1) ATE148067T1 (de)
CA (1) CA2171674C (de)
DE (1) DE69600002T2 (de)
DK (1) DK0732276T3 (de)
ES (1) ES2100103T3 (de)
FR (1) FR2731683B1 (de)
PL (1) PL313250A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6039222A (en) * 1997-02-18 2000-03-21 The Procter & Gamble Co. Vapor permeable pressurized package
EP4410706A1 (de) 2023-02-06 2024-08-07 Kao Germany GmbH Kolben für einen verpackungsbehälter, verpackungsbehälter und verfahren zur herstellung davon

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731683B1 (fr) * 1995-03-15 1997-04-18 Oreal Conditionnement de pulverisation, procede de fabrication
DE69637826D1 (de) * 1996-02-02 2009-03-12 Osaka Shipbuilding Verfahren zum herstellen eines doppel-aerosolbehälters, sowie dieser behälter
DE19717080C2 (de) * 1996-12-19 2001-12-06 Manfred Stadler Wiederholt nachfüllbare Spraydose oder -flasche
EP1468759A1 (de) * 2003-04-15 2004-10-20 Nussbaum Rielasingen GmbH Verfahren zum Herstellen eines Zweikammerdruckbehälters
ATE486562T1 (de) 2004-09-21 2010-11-15 Kpss Kao Gmbh Haarfärbezusammensetzung in einer sprühdose mit zwei getrennten kammern
DE602004028248D1 (de) * 2004-09-21 2010-09-02 Kpss Kao Gmbh Haardauerwellmittel in einer Sprühdose mit zwei getrennten Kammern
ES2315200B1 (es) * 2007-09-14 2009-10-29 Clayspray, S.L. Composicion cosmetica para administracion topica en forma de spray.
US20090283550A1 (en) * 2008-05-16 2009-11-19 Kimball James F Extreme Barrier Metal Piston and Container Utilizing Same
GB2536259A (en) * 2015-03-11 2016-09-14 Linde Ag A device for atomising a liquid
US9975656B2 (en) * 2015-06-18 2018-05-22 The Procter & Gamble Company Method of manufacturing a piston aerosol dispenser
US11661267B2 (en) * 2018-11-23 2023-05-30 Aluair Gmbh Dispenser container, dispenser and method for manufacturing a dispenser container
US11447326B2 (en) * 2019-12-19 2022-09-20 Thomas M. Risch System and method for a reusable dispensing container

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR370458A (fr) * 1906-10-13 1907-02-07 Otto Carl Rauhe Récipient dont l'emploi ou le réemplissage frauduleux sont impossibles
US3273762A (en) * 1965-06-28 1966-09-20 Union Machine Company Pressure can construction including free piston
US3915352A (en) * 1974-09-11 1975-10-28 Christian T Scheindel Aerosol can and piston assembly
DE3624638A1 (de) * 1986-07-22 1988-02-04 Ritter Plastic Gmbh Zylindrischer strangpressbehaelter aus kunstoff fuer zaehplastische massen
US5056690A (en) * 1989-02-03 1991-10-15 Lion Corporation Dispensing container for viscous material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US112770A (en) * 1871-03-21 Improvement in piston-rod packings
US3381863A (en) * 1966-05-23 1968-05-07 Edward J. Towns Separating medium for use in pressurized dispensing containers
US5042696A (en) * 1990-05-02 1991-08-27 Williams John E Dispenser with piston assembly for expelling product
FR2731683B1 (fr) * 1995-03-15 1997-04-18 Oreal Conditionnement de pulverisation, procede de fabrication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR370458A (fr) * 1906-10-13 1907-02-07 Otto Carl Rauhe Récipient dont l'emploi ou le réemplissage frauduleux sont impossibles
US3273762A (en) * 1965-06-28 1966-09-20 Union Machine Company Pressure can construction including free piston
US3915352A (en) * 1974-09-11 1975-10-28 Christian T Scheindel Aerosol can and piston assembly
DE3624638A1 (de) * 1986-07-22 1988-02-04 Ritter Plastic Gmbh Zylindrischer strangpressbehaelter aus kunstoff fuer zaehplastische massen
US5056690A (en) * 1989-02-03 1991-10-15 Lion Corporation Dispensing container for viscous material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6039222A (en) * 1997-02-18 2000-03-21 The Procter & Gamble Co. Vapor permeable pressurized package
EP4410706A1 (de) 2023-02-06 2024-08-07 Kao Germany GmbH Kolben für einen verpackungsbehälter, verpackungsbehälter und verfahren zur herstellung davon

Also Published As

Publication number Publication date
DK0732276T3 (da) 1997-07-14
JP2710607B2 (ja) 1998-02-10
US5775549A (en) 1998-07-07
ATE148067T1 (de) 1997-02-15
FR2731683B1 (fr) 1997-04-18
CA2171674C (fr) 1999-12-07
DE69600002T2 (de) 1997-05-07
JPH08257122A (ja) 1996-10-08
FR2731683A1 (fr) 1996-09-20
AR001235A1 (es) 1997-09-24
ES2100103T3 (es) 1997-06-01
CA2171674A1 (fr) 1996-09-16
DE69600002D1 (de) 1997-03-06
PL313250A1 (en) 1996-09-16
US5971228A (en) 1999-10-26
EP0732276B1 (de) 1997-01-22

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