EP0791309A1 - Mechanischer Behälter für stiftförmige Produkte - Google Patents

Mechanischer Behälter für stiftförmige Produkte Download PDF

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Publication number
EP0791309A1
EP0791309A1 EP97500001A EP97500001A EP0791309A1 EP 0791309 A1 EP0791309 A1 EP 0791309A1 EP 97500001 A EP97500001 A EP 97500001A EP 97500001 A EP97500001 A EP 97500001A EP 0791309 A1 EP0791309 A1 EP 0791309A1
Authority
EP
European Patent Office
Prior art keywords
stem
spiral
container
section
shaped products
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Withdrawn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
EP97500001A
Other languages
English (en)
French (fr)
Inventor
Lucien Duranton
Richard Monin-Bareil
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.)
Amcor Flexibles Espana SA
Original Assignee
Techpack Espana SL
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
Priority claimed from ES9601304A external-priority patent/ES2130044B1/es
Application filed by Techpack Espana SL filed Critical Techpack Espana SL
Publication of EP0791309A1 publication Critical patent/EP0791309A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/06—Casings wherein movement of the lipstick or like solid is a screwing movement

Definitions

  • This invention relates to a mechanical container for stick shaped products of the kind typically used for lipstick cases, in which the lipstick is liable to be axially projected to the exterior of the case when in use and subsequently retracted inwards.
  • the characteristics of the container are directed toward achieving an improved mechanical finish of the case, particularly in regard to a perfect relative movement between the grooved stem and the surrounding spiral in the absence of a typical lubricant relating both elements to one another.
  • lipstick cases are structured around a fixed grooved stem provided with a pair of grooves located so as to correspond to diametrically opposite generatrices, grooves within which play respective stubs in a support or housing onto which the lipstick is conveniently adhered to, the free end of said stubs having access to an enveloping cylinder, a so-called spiral, the inner wall of which is fitted with one or two spiralling grooves in which said housing stubs act in such a manner that the rotating movement of the spiral in respect to the grooved stem results in axial movement in either direction of the housing carrying the applicable lipstick.
  • the grooved stem and the spiral come in contact with each other through an ample cylindrical surface, thereby providing a wedging tendency to the rotating movement which in actual practice is avoided by applying an adequate lubricating layer between the contact surfaces.
  • the French patent 1.501.043 is known to describe a case for a bar of pasty product, particularly a cosmetic product such as lipstick, in which, in order to minimize friction between the grooved stem and the spiral, the former is provided, in the lower end thereof, with a truncated cone expansion onto which leans an inner perimeter edge of the spiral's lower outlet, in a manner that, after mounting these elements, theoretically an axial pressure of the spiral is exerted against the truncated cone section of the stem which tends to radially expand the spiral and thus to effect a practically lineal contact between both parts.
  • the stem widens substantially at the lower end of the stick, thereby causing considerably staggering between the free area of the stem and the spiral hiding the remainder of the stem, this having a negative effect on the subsequent assembly of the set inside the housing.
  • the container proposed by the invention solves the above problem in a fully satisfactory manner in regard to the various aspects discussed.
  • the container derives from a shaping of the grooved stem contrary to what is conventional, in that the bottom of the stem is not only not oversize in respect to the remainder of the stem but it actually features a smaller lower diameter.
  • the spiral can be extended to the level of the lower end of the grooved stem, thus determining an external surface of the assembly which provides an almost perfectly continuous cylinder that is devoid of a mold joint, consequently providing the following advantages:
  • each tab being provided with a central nerve along the inner side thereof, in such a manner that the nerves in the various tabs establish dimensionally reduced mutual contact areas between both parts, thus reducing the friction coefficient between them and, according to the main object of the invention, allowing the spiral to rotate freely in respect to the grooved stem without the risk of seizure in the absence of lubricant.
  • the housing is tubular-shape, i.e. open at both ends, thus allowing the container to be loaded by its rear end, the retractable movement of the housing being likewise limited by virtue of a rear internal perimeter staggering of the stem.
  • the stem prefferably be axially overdimensioned in respect to the spiral, specifically beyond the sliding skates, thereby determining a free access terminal section which allows for mechanized attachment of the external surface of both elements in order to conduct the relative movement between them.
  • Figure 1 shows a side elevation and a quarter cross sectional view of a container for products shaped in the form of a bar, performed according to the object of the invention.
  • Figure 2 shows a cross section of the same container, at the lower end level, according to A-B cut plane of Figure 1.
  • Figure 3 shows an enlarged detail of Figure 1 which corresponds to the lower marginal section of said figure.
  • Figure 4 shows an enlarged detail of the section in Figure 2, specifically at the level of one of the spiral's lower end tabs.
  • Figure 5 shows a side elevation and a diametrical sectional view of a variation of the embodiment of a container wherein the housing is shown to be open at both ends.
  • Figure 6 shows the same case in a view similar to that of the previous figure, although fitted with an additional associated ring at the level of the lower end of the stem, designed to achieve the overall cylindrical shape of the embodiment in Figure 1.
  • Figure 7 shows, on ending, a view similar to that of Figure 6, wherein the continuous and generally cylindrical shape is achieved through an axial extension of the spiral.
  • the container of the invention is seen as a conventional container composed of a housing (1) providing a support for the lipstick that is axially movable along a stem (2) having an external diameter substantially adjustable to the external diameter of the housing (1) and which is provided, in the direction of its generatices, with grooves (3) through which stubs penetrate through and emerge radially through the housing (1), not visible in the figures, which in turn act within spiraling channels (4) operational on the inner side of a typical spiral (5) which in turn envelops the grooved stem (2), whereby the relative rotational movement between stem (2) and spiral (5) causes axial movement of the housing (1) resulting in the consequent outward extension or else the retraction of the lipstick implanted within it.
  • the object of the invention is centered on the fact that said grooved stem (2) is provided with a lower end section (6) which, instead of presenting a larger diameter in the conventional manner, shows a diameter which is slightly smaller than that the rest of said stem (2), thereby allowing a perfectly homogeneous contact along the length of the stem, between the stem and the spiral (5), as a result of which friction between both parts is practically non existent.
  • spiral (5) instead of being substantially interrupted before reaching the lower end of the stem (2), in the conventional manner, projects itself downwards along a complementary section (7) in which, with the aid of pairs of crosswise cuts (8), tabs (9) are defined which are resiliently deformable and are fitted centrally on their inner side with a stub (10) which, as previously stated, constitutes a contact area of a very small size between spiral (5) and stem (2), as can be perceived particularly in the enlarged detail shown in Figures 3 and 4.
  • the spiral (5) is axially immobilized in respect to the stem (2) - in addition to the typical external perimeter staggering (11) means at the upper end of the stem - by means of an inner perimeter flange (12) provided in the spiral (5) and which fits into a groove (13) in the stem (2), as can be seen also from the detail in Figure 3, with the peculiarity that the smaller diameter of the lower end area of the stem permits mounting the spiral, as previously pointed out, along the opposite direction to that which is conventional, namely from the bottom of the stem towards its open end, enabling the assembly operation to be conducted without causing any deformation to the stem and in a more rapid and simple manner, thus allowing for increased productivity.
  • the spiral (5) with the possible involvement of an adornment element (14), totally hides the stem (2) along its entire length, so that this assembly adopts an overall external shape that is perfectly cylindrical and which is readily adaptable to the housing, not shown in the drawings, specifically by attaching the body of the housing to the axial lodging (15) at the base of the stem (2), providing a slight gap between the lateral wall and the spiral (5) and a means at the mouth for receiving the cover.
  • the stem (2) extends along its lower or rear end beyond the spiral (5), in a terminal section (16) which defines the cylindrical collar or axial lodging (15) itself which provides access to the housing (1), although featuring the special characteristic of an open lower end (17) for the housing.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP97500001A 1996-02-20 1997-01-09 Mechanischer Behälter für stiftförmige Produkte Withdrawn EP0791309A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES9600390 1996-02-20
ES9600390 1996-02-20
ES9601304A ES2130044B1 (es) 1996-06-11 1996-06-11 Envase mecanico perfeccionado para productos en forma de barra.
ES9601304 1996-06-11

Publications (1)

Publication Number Publication Date
EP0791309A1 true EP0791309A1 (de) 1997-08-27

Family

ID=26154948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97500001A Withdrawn EP0791309A1 (de) 1996-02-20 1997-01-09 Mechanischer Behälter für stiftförmige Produkte

Country Status (1)

Country Link
EP (1) EP0791309A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0943262A3 (de) * 1998-03-20 2000-07-26 Techpack Espana S.L. Lippenstifthülse

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1966884A (en) * 1932-12-02 1934-07-17 Waterbury Brass Goods Corp Container for lip sticks or the like
FR1017627A (fr) * 1950-05-11 1952-12-12 Marquise Perfectionnement aux étuis pour fards
FR1124179A (fr) * 1955-03-29 1956-10-05 Marquise Perfectionnements aux étuis de bâtons de rouge à lèvres et à leurs cartouches de rechange
FR1501043A (fr) 1966-09-22 1967-11-10 Ejectoret Sa étui pour bâton de produit pâteux
DE2053268A1 (de) * 1970-10-30 1972-05-04 Oekametall Oehlhorn & Kahn oHG, 8600 Bamberg Lippenstiftgehause mit Kunststoff drehmechanik
EP0491579A1 (de) * 1990-12-19 1992-06-24 L'oreal Vorrichtung zum Anwenden eines pastenförmigen Produktes, insbesondere eines kosmetischen Produktes, z.B. ein Lippenstift sowie ein rohrförmiges Bauteil für eine solche Vorrichtung
EP0658325A1 (de) * 1993-12-14 1995-06-21 L'oreal Vorrichtung zum Auftragen eines pastenförmigen Produktes, insbesondere eines kosmetischen Produktes wie Lippenstift

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1966884A (en) * 1932-12-02 1934-07-17 Waterbury Brass Goods Corp Container for lip sticks or the like
FR1017627A (fr) * 1950-05-11 1952-12-12 Marquise Perfectionnement aux étuis pour fards
FR1124179A (fr) * 1955-03-29 1956-10-05 Marquise Perfectionnements aux étuis de bâtons de rouge à lèvres et à leurs cartouches de rechange
FR1501043A (fr) 1966-09-22 1967-11-10 Ejectoret Sa étui pour bâton de produit pâteux
DE2053268A1 (de) * 1970-10-30 1972-05-04 Oekametall Oehlhorn & Kahn oHG, 8600 Bamberg Lippenstiftgehause mit Kunststoff drehmechanik
EP0491579A1 (de) * 1990-12-19 1992-06-24 L'oreal Vorrichtung zum Anwenden eines pastenförmigen Produktes, insbesondere eines kosmetischen Produktes, z.B. ein Lippenstift sowie ein rohrförmiges Bauteil für eine solche Vorrichtung
EP0658325A1 (de) * 1993-12-14 1995-06-21 L'oreal Vorrichtung zum Auftragen eines pastenförmigen Produktes, insbesondere eines kosmetischen Produktes wie Lippenstift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0943262A3 (de) * 1998-03-20 2000-07-26 Techpack Espana S.L. Lippenstifthülse

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