Cosmetic multi-layered wiper

• US 8,721,210 B2
• Filed: 11/18/2010
• Issued: 05/13/2014
• Est. Priority Date: 11/18/2010
• Status: Expired due to Fees

• Current Assignee: HCT Asia Ltd.
• Original Assignee: HCT Asia Ltd.
• Inventors: Wilczynski, Robert John
• Primary Examiner(s): WALCZAK, DAVID J
• Application Number:
  US12/949,118
• Publication Number:
  US 20120128401A1
• Time in Patent Office: 1,272 Days
• Field of Search: 401/121, 401/122, 401/126, 401128-130
• US Class Current: 401/122
• CPC Class Codes: A45D 34/046 comprising a wiper
• CPC Class Codes: A45D 40/267 comprising a wiper
• CPC Class Codes: B29C 45/1676 using a soft material and a rigid material, e.g. making articles with a sealing part
• CPC Class Codes: B60S 2001/3827 characterised by the squeegee or blade rubber or wiping element
• CPC Class Codes: B60S 2001/3898 method for manufacturing wiper blades

Abstract

A multi-layered wiper for removing a product (e.g., a cosmetic product) from an applicator. The multi-layered wiper comprises a wiping body having a wiping face, an acute wiping tip, and vertical slits, formed of a first material, over-molded to a retention body, formed of another material harder than the first material. By virtue of having a multi-layered wiper comprising a wiping body, formed of a first material, over-molded to a retention body, formed of another material, harder than the first material, the multi-layered wiper is capable of providing exceptional installation characteristics, while simultaneously providing exceptional wiping characteristics.

Claims

1. A wiper comprising:

a retention body for fixing the wiper to a bottle of a dispenser, the retention body comprising a hollow elongated cylinder having a top and a bottom; and

a wiping body for removing a portion of a product from an end of an applicator, the wiping body comprising a wiping face arranged on a bottom inside portion of a dome shaped hollow elongated cylinder,

wherein the wiping face arranged on the bottom inside portion of the dome shaped hollow elongated cylinder comprises one single continuous curvilinear shaped portion of the dome shaped hollow elongated cylinder, and wherein slits are arranged through at least a portion of the one single continuous curvilinear shaped wiping face.

2. The wiper of claim 1, wherein the one single continuous curvilinear shaped wiping face arranged on the bottom inside portion of the dome shaped hollow elongated cylinder comprises a vertical wiping surface having the slits arranged through at least a portion of the vertical wiping surface.

3. The wiper of claim 2, wherein the slits are arranged uniformly around a circumference of the vertical wiping surface.

4. The wiper of claim 3, wherein the slits are cut in a lower distal end of the vertical wiping surface.

5. The wiper of claim 4, wherein the slits are at least about 1.5 millimeters in length.

6. The wiper of claim 1, wherein the retention body is made of a material different than a material of the wiping body.

7. The wiper of claim 1, wherein the wiping body is over-molded onto the bottom of the hollow elongated cylinder of the retention body.

8. The wiper of claim 7, wherein the retention body comprises polypropylene (PP) or acrylonitrile butadiene styrene (ABS).

9. The wiper of claim 7, wherein the wiping body comprises thermoplastic elastomer (TPE), rubber, polyethylene, or silicone.

10. A multi-layered wiper comprising:

a cylindrical-shaped retention portion formed of a first material; and

a dome-shaped wiping portion formed of another material, different from the first material, comprising;

a top and a bottom, the top of the dome-shaped wiping portion being over-molded onto a bottom of the cylindrical-shaped retention portion; and

a wiping face arranged on an inside portion of the bottom of the dome-shaped wiping portion for removing a product from a surface of an applicator,

wherein the wiping face arranged on the inside portion of the bottom of the dome-shaped wiping portion comprises one single continuous curvilinear shaped portion of the dome-shaped wiping portion, and wherein vertical slits are arranged through at least a portion of the one single continuous curvilinear shaped wiping face.

11. The multi-layered wiper of claim 10, wherein the first material comprises polypropylene (PP) or acrylonitrile butadiene styrene (ABS).

12. The multi-layered wiper of claim 10, wherein the second material comprises thermoplastic elastomer (TPE), rubber, polyethylene, or silicone.

13. The multi-layered wiper of claim 10, wherein the one single continuous curvilinear shaped wiping face arranged on the inside portion of the bottom of the dome-shaped wiping portion comprises a vertical wiping surface having each of the vertical slits arranged in the vertical wiping surface.

14. The multi-layered wiper of claim 13, wherein each of the vertical slits arranged in the vertical wiping surface comprises an asymmetrical slit comprising a first edge cut in the vertical wiping surface and another edge shorter than the first edge cut in an outer surface of the dome-shaped wiping portion.

15. A wiper comprising:

a retention body for fixing the wiper to a bottle of a dispenser, the retention body comprising a hollow elongated cylinder having a top and a bottom; and

a wiping body coupled to the retention body for removing a portion of a product from an end of an applicator, the wiping body comprising an acute wiping tip arranged around a circumference of an opening of the wiping body,

wherein the acute wiping tip arranged around the circumference of the opening of the wiping body comprises one single continuous curvilinear shaped portion of the wiping body, and wherein vertical slits are arranged through the one single continuous curvilinear shaped acute wiping tip.

16. The wiper of claim 15, wherein the one single continuous curvilinear shaped acute wiping tip arranged around the circumference of the opening of the wiping body defines a termination interface between a vertical wiping face arranged on a bottom inside portion of the wiping body and an arcuate bottom outside portion of the wiping body.

17. The wiper of claim 16, wherein the wiping body comprises a substantially dome shaped hollow elongated cylinder.

18. The wiper of claim 16, wherein the vertical slits are arranged through at least a portion of the vertical wiping surface.

19. The wiper of claim 18, wherein the vertical slits are at least about 1.5 millimeters in length.