APPLICATOR FOR PASTE-LIKE OR SEMI-LIQUID PRODUCTS

• US 3,756,731 A
• Filed: 03/09/1972
• Issued: 09/04/1973
• Est. Priority Date: 07/31/1970
• Status: Expired due to Term

• Current Assignee: Fernand Albert Joseph Aubry
• Original Assignee: Fernand Albert Joseph Aubry
• Inventors: Aubry, Fernand Albert Joseph
• Primary Examiner(s): Charles, Lawrence
• Application Number:
  US05/233,165
• Time in Patent Office: 544 Days
• Field of Search: 401/118-130
• US Class Current: 401/122
• CPC Class Codes: A45D 40/267 comprising a wiper

Abstract

An applicator for paste-like or semi-liquid products comprising a container enclosed by a cap having a brush attached thereto and extending axially into the container, said container having, in the order of withdrawing the brush, a draining lip, a smoothing chamber and a relaxing chamber for the bristles of the brush, two seals being provided by cylindrical sliding portions of the brush and container, one between the lip and the smoothing chamber, and the other in the relaxing chamber.

Claims

1. An applicator for applying paste-like or semi-liquid products which comprises a tubular container, a cap for closing said container by means of a gentle sliding fit, a stem connected to said cap and carrying at its free end a brush for applying the product, said brush being enclosed in said container when the applicator is closed, a skirt forming a well and attached at tHe free end of the container and traversed by said stem, and an annular chamber formed between this stem and the interior of said skirt, the latter being provided at its end adjacent the container with an annular draining lip, said chamber being bounded at each of its two ends by a cylindrical sealing zone formed by the application of an outer lateral cylindrical surface on one portion of said stem against the inner lateral cylindrical surface of said sleeve, in such manner that the adjacent surfaces remain in sealing contact during the first portion of the translatory movement whereby the brush is removed from the container.

2. An applicator according to claim 1 wherein said chamber for smoothing the brush is followed by a chamber for relaxing the bristles of said brush, the two chambers being located between the two cylindrical sealing zones.

3. An applicator according to claim 1 wherein the cylindrical surfaces of the stem and sleeve constituting the sealing zone that is closer to the container have diameters less than those of the cylindrical surfaces forming the opposite sealing zone.

4. An applicator according to claim 2 wherein the two chambers are interconnected by a frustoconical portion.