Fluid dispensing hair removal device

Patent metadata

Field	Value
Publication number	US-10035275-B2
Application number	US-58136609-A
Country	US
Kind code	B2
Filing date	Oct 19, 2009
Priority date	Oct 17, 2008
Publication date	Jul 31, 2018
Grant date	Jul 31, 2018

Abstract

A hair removal device comprising a handle enclosing a collapsible reservoir a, said hair removal device having at least on pressure applicator, such as in the form of a mono-stable button, wherein the mono-stable button is adapted to pressurize air in the handle, thereby collapsing the collapsible reservoir and causing fluid to be expelled from the hair removal device.

First claim

What is claimed is:

1. A hair removal device comprising:
a shaving cartridge having at least one blade;
a collapsible reservoir suitable for containing a fluid to be dispensed during use of the hair removal device;
a handle forming a deformably rigid container enclosing said collapsible reservoir; and
an intermediate layer between at least a part of the collapsible reservoir and the deformably rigid container;
a fluid outlet adapted to allow fluid to dispense from collapsible reservoir to the shaving cartridge, said fluid outlet defined by said collapsible reservoir, wherein the container comprises a mono-stable button adapted to pressurize air in the deformably rigid container, thereby collapsing the collapsible reservoir and causing fluid to be dispensed; and
a first one-way valve adapted to allow air to enter the deformably rigid container when the mono-stable button is actuated but not exit the deformably rigid container, said first one way valve formed on said deformably rigid container, wherein said deformably rigid container is free of any air outlet aside from the fluid outlet.

2. The hair removal device of claim 1 , additionally comprising a second one-way valve disposed at said fluid outlet, to allow fluid to exit but not enter the reservoir.

3. The hair removal device according to claim 1 , wherein the mono-stable button ensures that essentially the same amount of air is displaced and a dose of fluid is dispensed every time pressure is applied.

4. The hair removal device of claim 1 , wherein the device is a razor.

5. The hair removal device of claim 1 , further comprising a fluid within said collapsible reservoir, wherein said fluid is a depilatory composition.

6. The hair removal device of claim 1 , further comprising a fluid within said collapsible reservoir, wherein said fluid is a shaving preparation.

7. The hair removal device of claim 1 , wherein the fluid outlet comprises multiple dispense points formed on said shaving cartridge.

8. The hair removal device of claim 1 , wherein said mono-stable button provides a tactile signal upon dispensing.

Assignees

• Hawes Christopher Martin
• Burrowes Lee
• Salemme James Leo
• Gillette Co Llc

Inventors

• Hawes Christopher Martin
• Burrowes Lee
• Salemme James Leo

Classifications

• B26B21/446 Primary

  Shaving aid stored in the razor handle · CPC title

• B26B19/40 Primary

  Lubricating · CPC title

• A45D2026/008

  Details of apparatus for removing superfluous hair · CPC title

• A45D26/00

  Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers (removing hair using electrosurgical instruments A61B18/04, A61B18/18) · CPC title

• B26B21/44

  Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like · CPC title