EP0709042A1 - Distributeur de produit cosmétique avec un anneau à flexion pour frottement en rotation - Google Patents

Distributeur de produit cosmétique avec un anneau à flexion pour frottement en rotation Download PDF

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Publication number
EP0709042A1
EP0709042A1 EP95307511A EP95307511A EP0709042A1 EP 0709042 A1 EP0709042 A1 EP 0709042A1 EP 95307511 A EP95307511 A EP 95307511A EP 95307511 A EP95307511 A EP 95307511A EP 0709042 A1 EP0709042 A1 EP 0709042A1
Authority
EP
European Patent Office
Prior art keywords
innerbody
cam sleeve
flex ring
base
cam
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Withdrawn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
EP95307511A
Other languages
German (de)
English (en)
Inventor
Edward Wittmann
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.)
Crown Risdon USA Inc
Original Assignee
Risdon Corp
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 Risdon Corp filed Critical Risdon Corp
Publication of EP0709042A1 publication Critical patent/EP0709042A1/fr
Withdrawn legal-status Critical Current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

  • the present invention relates to the field of cosmetic and lipstick dispensers, and particularly to a dispenser suited to provide a frictional swivel drag effect during operation of the dispenser.
  • Conventional propel/repel lipstick dispensers typically have an outer helical cam track sleeve and a longitudinal track innerbody rotatable inside the cam sleeve to axially propel and retract an elevator cup with a lug or lugs that track in the cam track and in the longitudinal track.
  • two lugs or tabs are provided on the innerbody to press against the cam sleeve to provide frictional interference between the two rotating elements of the dispenser.
  • Such a device is shown for example in U.S. Patent No. 5,186,560 issued Feb. 16, 1993 to Holloway, U.S. Patent No. 5,186,561 issued Feb. 16, 1993 to Ackermann and Holloway, and U.S. Patent No. 5,324,126 issued June 28, 1994 to Holloway and Ackermann.
  • These dispensers have been successful in the marketplace, as they solve problems associated with gradual loss of swivel torque over time.
  • the desirable swivel torque imparts a luxurious feel associated in the perception of the consumer with a higher quality product.
  • a cosmetic dispenser in accordance with the present invention, includes a cam sleeve, innerbody and elevator cup.
  • a flex ring is provided to create frictional drag between the cam sleeve and innerbody when rotated relative to each other.
  • the flex ring in its preferred embodiment comprises a plastic ring body with loops that fit against and create drag by frictional engagement with the cam sleeve.
  • the flex ring is an annular metal wave spring.
  • FIG. 1 is a side elevation view of a cosmetic dispenser in accordance with one embodiment of the invention with a loop flex ring.
  • FIG. 2 is an exploded view of the dispenser of FIG. 1.
  • FIG. 3 is a top plan view of a loop flex ring.
  • FIG. 4 is a cross-sectional view along the lines 4-4 of FIG. 1.
  • FIG. 5 is a perspective view of an embodiment of a metal spring flex ring.
  • FIG. 6 is a top plan view of the metal spring flex ring of FIG. 5.
  • FIG. 7 is a side elevation view of the metal spring flex ring of FIG. 5.
  • FIG. 8 is a side elevation view of a dispenser in accordance with another embodiment of the invention with a metal spring flex ring.
  • Dispenser 20 comprises a cam sleeve 30, an innerbody 50, an elevator cup 100, and a flex ring 120, 220.
  • Cam sleeve 30 is rigid and tubular and has an upper end 32 and a lower end 34.
  • Cam sleeve 30 has an inner wall 36 and an outer wall 38.
  • At least one and preferably two internal helical tracks 40 and 42 are formed on the inner wall 36.
  • Helical tracks 40 and 42 are located 180 degrees apart and extend along a substantial length of the inner wall 36 of the cam sleeve 30.
  • each helical track 40 and 42 provides one 360 degree circle in the inner wall 36 of cam sleeve 30.
  • An ornamental outer shell 46 such as a brass tube may be fitted over the outer wall 38 of the cam sleeve for decoration.
  • Innerbody 50 is also tubular and has an upper end 52 and a lower end 54.
  • Innerbody 50 has an inner wall 56 and an outer wall 58.
  • Innerbody 50 is fitted into the cam sleeve 30 and has at least one and preferably two longitudinal tracks 60 and 62 which extend along the axial length of the innerbody 50 and which extend through the walls 56, 58 of the innerbody 50 along a substantial length of the innerbody 50.
  • one of the longitudinal tracks 60 extends to the upper end 52 of the innerbody 50 so that it is open at its upper end.
  • the other longitudinal track 62 preferably does not so extend so that it is closed at its upper end. This permits easy assembly of the elevator cup 100 into innerbody 50.
  • the longitudinal tracks 60 and 62 preferably have at their upper ends upper lateral track segments 64 and 66 respectively which preferably extend perpendicularly from the longitudinal tracks 60 and 62.
  • the upper lateral track segments 64 and 66 assist the elevator cup 100 to be locked in an extended position for application of a cosmetic.
  • the innerbody 50 is interlocked with the cam sleeve 30 so that rotation or application of a swivel torque to the cam sleeve 30 relative to innerbody 50 can be accomplished by gripping an extended base portion 68 on innerbody 50 with one hand and cam sleeve 30 with the other hand to raise or lower elevator cup 100.
  • the cam sleeve 30 and innerbody 50 are preferably secured together by a retaining lip 70 on the upper end 52 of innerbody 50 that retains the upper end 32 of cam sleeve 30 in place on innerbody 50.
  • the base 68 of innerbody 50 has a larger diameter than the lower end 34 of cam sleeve 30 and thereby holds the cam sleeve lower end 34 in place.
  • cam sleeve 30 is less than the distance between the base 68 and retaining lip 70 of innerbody 50. This permits the lower end 34 of cam sleeve 30 to be spaced apart from base 68.
  • the elevator cup 100 is generally cylindrical and has a chamber 102 for containing a cosmetic preparation such as lipstick pomade 108.
  • the cup 100 is fitted into the innerbody 50.
  • Cup 100 has at least one and preferably two cam follower lugs 104 for seating in and following in the longitudinal tracks 60 and 62 of the innerbody 50 and the helical tracks 40 and 42 of the cam sleeve 30.
  • the lugs 104 are located 180 degrees apart and have a sufficient length to extend through the longitudinal tracks 60 and 62 to engage the helical tracks 40 and 42.
  • Cup 100 is movable in an axial path in a conventional manner by relative rotation of the innerbody 50 and cam sleeve 30 by virtue of the lugs 104 seating in the helical tracks 40 and 42 of cam sleeve 30 and the longitudinal tracks 60 and 62 of innerbody 50.
  • the relative rotation of the cam sleeve 30 and innerbody 50 causes the cup 100 to move axially to propel the elevator cup 100 to an extended position, and relative rotation in the opposite direction causes the elevator cup 100 to retract to a retracted position.
  • the helical tracks 40 and 42 are right hand threads in the cam sleeve 30 and have a thread pitch of about 30 degrees so that each makes one complete revolution as the cup 100 traverses the length of the dispenser 20. This is desirable as only a single turn is needed to fully activate the dispenser 20 or to fully retract the dispenser.
  • the flex ring 120, 220 provides a frictional braking effect against the lower end 34 of cam sleeve 30. Because the frictional engagement takes place around a fixed edge wall in a circumferential path, an even drag is provided that is relatively insensitive to the position of the elevator cup along the innerbody.
  • Flex ring 120 shown in FIGS. 1-4, comprises a polymeric plastic ring fitted over innerbody 50.
  • Flex ring 120 is preferably formed from styrene and is located in the space between the lower end 34 of cam sleeve 30 and the base 68 of innerbody 50.
  • Flex ring 120 has two resilient loops 122 that extend upwardly from the ring body 124. Loops 122 frictionally engage the lower end 34 of cam sleeve 30 and provide the desired swivel drag. Ring body 124 will typically be held in place against base 68.
  • Flex ring 220 shown in FIGS. 5-8, comprises a metal wave washer that is fitted over innerbody 50. Flex ring 220 is located in the space between lower end 34 of cam sleeve 30 and the base 68 of innerbody 50. Flex ring 220 will tend to provide frictional contact with both the lower end 34 of cam sleeve 30 and the base 68 of innerbody 50 to provide the desired swivel drag.
  • the innerbody 50 and the cam sleeve 30 are preferably formed by molding from a thermoplastic such as styrene. If desired, ornamental coverings and caps may be provided as are known in the art.
  • the present invention therefore provides a new and useful cosmetic dispenser with a substantially longer lasting frictional swivel drag effect than has been known in prior art dispensers, which is obtained without creating undesirable side effects.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP95307511A 1994-10-26 1995-10-23 Distributeur de produit cosmétique avec un anneau à flexion pour frottement en rotation Withdrawn EP0709042A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32925894A 1994-10-26 1994-10-26
US329258 1994-10-26

Publications (1)

Publication Number Publication Date
EP0709042A1 true EP0709042A1 (fr) 1996-05-01

Family

ID=23284575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95307511A Withdrawn EP0709042A1 (fr) 1994-10-26 1995-10-23 Distributeur de produit cosmétique avec un anneau à flexion pour frottement en rotation

Country Status (2)

Country Link
EP (1) EP0709042A1 (fr)
CA (1) CA2156647A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811334A1 (fr) * 1996-06-06 1997-12-10 BRIVAPLAST S.r.l. Mécanisme à friction d'un support pour bâton de produits pâteux
CN113116044A (zh) * 2019-12-31 2021-07-16 阿蓓亚塑料实业（上海）有限公司 包装件

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840229A (en) * 1955-06-30 1958-06-24 Eyelet Specialty Co Cosmetic container
WO1986003658A1 (fr) * 1984-12-18 1986-07-03 L'oreal Dispositif pour appliquer un produit pateux, notamment un produit cosmetique tel que du rouge a levres, et element tubulaire pour un tel dispositif
US4750501A (en) 1986-11-18 1988-06-14 Risdon Corporation Cosmetic applicator with even torque and improved locking
EP0491579A1 (fr) * 1990-12-19 1992-06-24 L'oreal Dispositif pour appliquer un produit pâteux, notamment un produit cosmétique tel que du rouge à lèvres, et élément tubulaire pour un tel dispositif
US5186560A (en) 1992-02-05 1993-02-16 Risdon Corporation Innerbody flex tab cosmetic dispenser
US5186561A (en) 1992-03-17 1993-02-16 Risdon Corporation Incremental feel cosmetic dispenser
US5324126A (en) 1993-04-20 1994-06-28 Risdon Corporation Cosmetic dispenser with long lasting swivel drag effect
US5348410A (en) * 1992-10-30 1994-09-20 Hidan Co. Cylindrical cosmetic container with flexible brake

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840229A (en) * 1955-06-30 1958-06-24 Eyelet Specialty Co Cosmetic container
WO1986003658A1 (fr) * 1984-12-18 1986-07-03 L'oreal Dispositif pour appliquer un produit pateux, notamment un produit cosmetique tel que du rouge a levres, et element tubulaire pour un tel dispositif
US4750501A (en) 1986-11-18 1988-06-14 Risdon Corporation Cosmetic applicator with even torque and improved locking
EP0491579A1 (fr) * 1990-12-19 1992-06-24 L'oreal Dispositif pour appliquer un produit pâteux, notamment un produit cosmétique tel que du rouge à lèvres, et élément tubulaire pour un tel dispositif
US5186560A (en) 1992-02-05 1993-02-16 Risdon Corporation Innerbody flex tab cosmetic dispenser
US5186561A (en) 1992-03-17 1993-02-16 Risdon Corporation Incremental feel cosmetic dispenser
US5348410A (en) * 1992-10-30 1994-09-20 Hidan Co. Cylindrical cosmetic container with flexible brake
US5324126A (en) 1993-04-20 1994-06-28 Risdon Corporation Cosmetic dispenser with long lasting swivel drag effect

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811334A1 (fr) * 1996-06-06 1997-12-10 BRIVAPLAST S.r.l. Mécanisme à friction d'un support pour bâton de produits pâteux
CN113116044A (zh) * 2019-12-31 2021-07-16 阿蓓亚塑料实业（上海）有限公司 包装件

Also Published As

Publication number Publication date
CA2156647A1 (fr) 1996-04-27

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