EP0223602A2 - Fabrication d'objets moulés tels que rouges à lèvres - Google Patents

Fabrication d'objets moulés tels que rouges à lèvres Download PDF

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Publication number
EP0223602A2
EP0223602A2 EP86309029A EP86309029A EP0223602A2 EP 0223602 A2 EP0223602 A2 EP 0223602A2 EP 86309029 A EP86309029 A EP 86309029A EP 86309029 A EP86309029 A EP 86309029A EP 0223602 A2 EP0223602 A2 EP 0223602A2
Authority
EP
European Patent Office
Prior art keywords
container
mould
godet
stick
conveyor
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Withdrawn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
EP86309029A
Other languages
German (de)
English (en)
Other versions
EP0223602A3 (fr
Inventor
Malcolm Timms
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.)
Ejectoret Ltd
Original Assignee
Ejectoret Ltd
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 Ejectoret Ltd filed Critical Ejectoret Ltd
Publication of EP0223602A2 publication Critical patent/EP0223602A2/fr
Publication of EP0223602A3 publication Critical patent/EP0223602A3/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Withdrawn legal-status Critical Current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
    • A45D40/16—Refill sticks; Moulding devices for producing sticks

Definitions

  • This invention relates to a method of, and equipment for, forming moulded articles, for example lipsticks, on a continuous basis.
  • the skirt of the sheath or mould is formed in a particular way so that it is a push fit onto the godet when the godet is in a retracted position within the body of the container but when the godet is advanced to bring the skirt of the sheath beyond the end of the body, subsequent retraction results in the skirt engaging the end of the body, preventing the sheath from moving back with the stick.
  • Another known method of forming lipsticks is that disclosed, for example, in British Patent Specification No. 1 502 811 of Avon Products Inc.
  • a large number of open-topped moulds of appropriate shape are mounted permanently on the links of a chain conveyor and the lipstick containers, each with its godet in the fully advanced position are placed in an inverted position on the individual moulds, with the upper end of the container itself (i.e. that part which is lowermost in the inverted position) entering, and being located by a counterbored upper part of the mould.
  • the molten mass of liquid is fed in from above the open bottom (uppermost) end of the container.
  • the container is withdrawn upwards, withdrawing the cast lipstick from the mould, which remains on the conveyor chain. At this time the lipstick is projecting fully from the container and so in a subsequent operation the container mechanism is actuated to retract the godet, which takes the lipstick with it.
  • the Ejectoret process is very successful and is widely used. However it does have the limitation that it is difficult to reduce the size of the sheath below a certain point, and so it is not easy to apply to very thin lipsticks.
  • the other process mentioned above has the drawback that a very large number of moulds are tied up in the system, i.e. throughout the length of the conveyor, which adds to the initial capital cost and furthermore makes it troublesome and time-­consuming to switch from a production run of one size of lipstick to a different size and/or shape, as all the moulds on the conveyor have to be replaced. As may as 800 or 1000 moulds may be needed for each shape and size.
  • a further drawback is that the circulating open moulds are very easily contaminated by foreign matter falling into them, and are anyway difficult to clean.
  • the aim of the present invention is to overcome these problems and to retain the advantages of the Ejectoret system whilst avoiding its limitations.
  • a process for forming a lipstick or similar moulded stick of pasty cosmetics or other material in situ in a container of the kind having an axially retractable godet or carrier supporting the stick comprising fitting onto the upper end of the container a mould which has an internal surface which engages frictionally over that end of the container and also has a shoulder which engages a rim on the godet or carrier that projects beyond that end of the container, placing the inverted container in a conveyor, the container being supported by engagement of the outside of the mould with a socket on the conveyor designed to receive it, moving the container by means of the conveyor beneath a filling head at which molten material is introduced into the mould through the container and godet, withdrawing the container and mould together from the conveyor after the material has at least partially set to form the stick, and then subsequently retracting the godet and stick axially into the container and discarding
  • a roller link chain 1 forms a conveyor which moves intermittently in a known manner, feeding inverted lipstick containers beneath a filling station at which molten lipstick is poured into sheaths or moulds associated with the containers in a manner similar to the known Ejectoret process.
  • twin pouring nozzles side by side and so the chain conveyor has twin carriers, two of which are shown at 2. It is mounted on a link in the chain and comprises two laterally spaced upright cylinders 3.
  • the carrier is empty but in Figure 2 an inverted lipstick container 4 is in place in the one cyclinder that is visible in each carrier.
  • the container is of known construction, comprising an outer casing 5 which, by rotation relative to an inner sleeve 6, causes axial movement of a stick carrier or godet 7.
  • the godet 7 is shown in its fully advanced position, and it will be noted that a spigot portion 7′ of the godet actually projects clear of the end of the outer casing 5, the degree of projection being limited by an inturned lip 5′ on the casing engaging a shoulder 8 (Fig 4) on the godet.
  • a mould or sheath 9 Fitted over the upper end of the container is a mould or sheath 9. It has a main portion with a closed end to define the cavity in which the lipstick is to be formed, and a skirt portion 10 which is of larger inside diameter and is designed to be a friction fit on the outside of the casing 4 of the container. Not only is there a step 11 between the main portion 9 and the skirt portion 10 but there is also a small shoulder formed by a counterbore 12 to fit closely onto the exposed spigot portion 7′ of the godet 7. This engagement determines the distance by which the mould engages over the container.
  • the container with the mould 9 fitting on it, is inverted and placed in the carrier, with an outwardly directed flange 13 at the open end of the mould resting on the upper end of the cylinder.
  • the outside of the skirt portion of the mould is a reasonably loose fit in the cylinder.
  • This insertion is performed automatically, by means that need not be described here, and of course is performed two at a time.
  • the conveyor transports the containers, two at a time, to a filling station at which, while the carrier is stationary, two filling nozzles 14 descend through the open bottom ends of the two containers and through the open godets, to dispense measured quantities of molten lipstick mass into the moulds 9, and are then withdrawn. They may be withdrawn progressively as the filling takes place.
  • the conveyor can be indexed on to bring a fresh carrier to the filling station whilst the newly filled containers, when sufficient time has passed for the mass to be at least partially solidified, are withdrawn from the carrier at another station, complete with their associated sheaths, or moulds as indicated in Figure 5.
  • the sheaths can be left on the containers as long as is necessary to protect the lipsticks.
  • the lipstick mechanisms can be actuated in a known manner by relative rotation of the casing 5 and sleeve 6 to retract the godet, withdrawing the lipstick out of the mould and into the container. The mould can then be discarded.
  • the retraction and discarding of the moulds may be left to the customer, that is say, the lipstick may be marketed with the stick still wholly or partially advanced and with the mould (which in this case must be transparent and have little or no flange) still in place.
  • the lipstick When it is sold in a blister pack this makes the lipstick tamperproof with the stick protected against damage yet with its actual colour readily visible to the purchaser.
  • a cover for use after the mould has been discarded is incorporated in the blister pack with the lipstick.

Landscapes

  • Cosmetics (AREA)
EP86309029A 1985-11-20 1986-11-19 Fabrication d'objets moulés tels que rouges à lèvres Withdrawn EP0223602A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858528602A GB8528602D0 (en) 1985-11-20 1985-11-20 Forming moulded articles
GB8528602 1985-11-20

Publications (2)

Publication Number Publication Date
EP0223602A2 true EP0223602A2 (fr) 1987-05-27
EP0223602A3 EP0223602A3 (fr) 1989-01-18

Family

ID=10588519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86309029A Withdrawn EP0223602A3 (fr) 1985-11-20 1986-11-19 Fabrication d'objets moulés tels que rouges à lèvres

Country Status (3)

Country Link
EP (1) EP0223602A3 (fr)
JP (1) JPS62142506A (fr)
GB (2) GB8528602D0 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607092A1 (fr) * 1993-01-15 1994-07-20 René Viguier Dispositif pour le coulage et la mise en oeuvre de raisins de rouge à lèvres
WO2002066331A3 (fr) * 2001-02-22 2002-12-19 Natura Cosmeticos Sa Emballage final pour un produit de consommation, materiel de production de produits de consommation, et procede de production de produits de consommation
EP3334581B1 (fr) 2015-09-18 2020-11-04 CMI Engineering S.r.l. Machine de production de produits cosmétiques ou médicaux, tels que des produits en bâton

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579647A (ja) * 1991-09-24 1993-03-30 Fujitsu General Ltd 温水暖房装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163544A (en) * 1965-08-31 1969-09-10 Sebec Lipstick containers
GB1280635A (en) * 1968-11-08 1972-07-05 Sebec Lipstick and like containers
FR2155413A5 (fr) * 1971-10-01 1973-05-18 Sebec

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607092A1 (fr) * 1993-01-15 1994-07-20 René Viguier Dispositif pour le coulage et la mise en oeuvre de raisins de rouge à lèvres
WO2002066331A3 (fr) * 2001-02-22 2002-12-19 Natura Cosmeticos Sa Emballage final pour un produit de consommation, materiel de production de produits de consommation, et procede de production de produits de consommation
EP3334581B1 (fr) 2015-09-18 2020-11-04 CMI Engineering S.r.l. Machine de production de produits cosmétiques ou médicaux, tels que des produits en bâton

Also Published As

Publication number Publication date
GB2183201A (en) 1987-06-03
EP0223602A3 (fr) 1989-01-18
GB2183201B (en) 1989-03-30
GB8627692D0 (en) 1986-12-17
GB8528602D0 (en) 1985-12-24
JPS62142506A (ja) 1987-06-25

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Inventor name: TIMMS, MALCOLM