Coating implements with material supply – With means to impart heat to material
Patent
1999-07-08
2000-06-20
Eloshway, Charles R.
Coating implements with material supply
With means to impart heat to material
401 2, 401219, 401220, A45D 4000, A45D 4026, A45D 3404
Patent
active
06076984&
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a hot melt depilatory wax dispenser.
PRIOR ART
Depilatory wax appliances are known in which the wax is melted and then spread on the skin, and after solidification removed, which permits plucking of hairs imbedded in the hardened wax layer. According to one type of appliance of this sort, the wax is melted in a reservoir, then spread on the skin with an applicator having a roller disposed in an opening placed at the outlet of the wax reservoir, a calibrated space being arranged between this opening and the roller. This latter is driven by applying it against the skin and displacing the appliance, thus forming a wax layer of a thickness and a determined width which is deposited on the skin.
Taking into account the morphology of the parts of the body from which hair is to be removed, the generally cylindrical form of the rollers utilized for the application of the wax is not always suitable. This is notably the case under the armpits where, taking into account the concavity of the surface on which the wax must be applied, the edges of the cylindrical roller rub against the skin, interfering with comfort and effectiveness, the edges of the layer of wax being subjected to a higher pressure, which diminishes their thickness.
There has already been proposed in GB-363 744 an applicator for glue with the aid of a roller pivotally mounted in a rectangular opening. To permit this opening to be freed of glue which has hardened during non-use of the applicator during a certain time, the applicator roller is made of an elastically deformable material, in such a manner that by pressing on this roller its deformation permits the hardened glue film to be broken.
There have been proposed in U.S. Pat. No. 2 029 056 as well as in EP 0 437 042 applicators for cosmetic products comprising rollers having a convex generatrix to apply these products onto concave surfaces. In contrast, these appliances are not adapted for applying these products onto more or less flat surfaces, so that several appliances or an appliance with a removable application head are then necessary. This latter solution has already been proposed, notably to adapt rollers to different widths, however it is a question of a solution which is inappropriate, necessitating the manipulation of heads which are sticky with wax.
There exists another category of applicators described for example in U.S. Pat. No. 2 229 707, U.S. Pat. No. 2 888 695, U.S. Pat. No. 1 919 859 and U.S. Pat. No. 1565 179, relative to applicators for glue or cosmetic products comprising either a flexible housing, or a support for a flexible applicator roller, or even a flexible duct to assure either a closing or an opening of the reservoir of the product to be distributed, or a variable flow rate, as a function of the deformation applied to the flexible part.
There has been proposed moreover, in FR-2 662 145 an applicator for a liquid, viscous or pasty product furnished with an applicator comprising a cap having an outlet slot in which engages a deformable tongue which liberates more or less of the product.
There has been proposed in FR-A1-2 740 665 an appliance for applying depilatory wax in which the wax application head is formed of several coaxial rollers at least one of which can be blocked angularly, so that the width of the ribbon of wax deposited is then reduced and corresponds to that of the single roller which remains free to turn. This solution presents however the difficulty of leaving the roller angularly blocked in contact with the skin, creating a disagreeable rubbing. It is moreover obvious that such an application head does not resolve the problem of application of wax on a concave surface, since if the deposited wax band is narrower, the width of the rollers, as well their profile remain unchanged, so that the extremities of the rollers forming a cylinder will come alone into contact with the concave surface.
It is easy to note that none of the above-mentioned solutions proposes an applicator for a liquid or pasty product
REFERENCES:
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patent: 2229707 (1941-01-01), Testi
patent: 2732575 (1956-01-01), Faust
patent: 2888695 (1959-06-01), Anderson et al.
patent: 3055041 (1962-09-01), Schaich
patent: 4129391 (1978-12-01), Gamacher
patent: 5395175 (1995-03-01), Bontoux et al.
patent: 5803636 (1998-09-01), Legrain et al.
patent: 5848850 (1998-12-01), Bontoux et al.
Derwent Abstract, XP-002072798, Jan. 1996, AU950020417, filed May 31, 1995, priority of AU940006535, filed Jun. 28, 1994, re: Paint Application Roller .
Lacombe Sylvie
Legrain Marc
Eloshway Charles R.
Seb S.A.
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