# US 5,704,377 A · Remotelly heated eyelash curling device adapted for increased heat retention

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- Number: US 5,704,377 A
- Document ID: US5704377A
- Status: Granted
- Kind: A
- Application number: 08/695,085
- Filed: 1996-08-08
- Granted: 1998-01-06
- Earliest claimed: 1995-08-18
- Inventors: Alexandra McMullen
- Web page: https://patentgrep.com/patent/US5704377A

## CPC

- A45D 4/16: Independent devices characterised by heating the hair-curling or hair-waving means before use (A45D1/20 takes precedence)
- A45D 2/48: Eyelash curlers; Eyebrow curlers
- A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING

## Abstract

A system for remotely heating an eyelash curling device. The system includes a remote heating apparatus having a heated projection for contacting a flexible compression strip of the eyelash curling device and adapted to heat the compression strip while not heating the corresponding compression blade or rest of the eyelash curling device. The remote heating apparatus also includes features for attaching, securing, or otherwise engaging the eyelash curling device during the heating process. The heating apparatus may optionally include a thermostat for heating and then maintaining the compression strip of the curling device to a desired temperature or within a desired temperature range, a switching mechanism for turning the heated projection component on or off, features for actuation the heating means when the eyelash curling device is attached, and a feature for indicating to the user when the compression strip has reached the desired temperature. The eyelash curling device may be optionally adapted so that the compression strip is thermally insulated from the rest of the eyelash curling device, adapted so that the compression is maintained within the desired temperature range for a larger period of time when disengaged from the remote heating apparatus, and one or more features for activating the remote heating apparatus.

## Claims

### Claim 1

An eyelash curling device for curling eyelashes adapted for use with a remote heating apparatus such that the eyelash curling device is detached from the remote heating apparatus when used to curl the eyelashes, the eyelash curling device comprising:
a compression strip including a flexible material impregnated with a material having a high specific heat for increasing the time in which the compression strip is maintained within a desired temperature range after the eyelash curling device is detached from the remote heating apparatus;
a compression blade; and
means for selectively engaging and disengaging the compression blade and the compression strip.

### Claim 2 (depends on 1)

An eyelash curling device as defined in claim 1, further including means for thermally insulating the compression strip when heated in order to impede the flow of heat from the compression strip to any other region of the eyelash curling device.

### Claim 3 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the compression strip comprises a material that is adapted to resist thermal breakdown such that can be heated to temperatures up to about 400.degree. F. without significant breakdown of the material.

### Claim 4 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the compression strip comprises a material that is adapted to resist thermal breakdown such that can be heated to temperatures up to about 250.degree. F. without significant breakdown of the material.

### Claim 5 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the flexible material of the compression strip comprises silicone rubber.

### Claim 6 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the flexible material of the compression strip comprises dimethyl silicone rubber cured with an organic peroxide.

### Claim 7 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the flexible material of the compression strip further includes a color pigment.

### Claim 8 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the material having a high specific heat comprises a metal oxide.

### Claim 9 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the material having a high specific heat comprises micro alumina hydrate.

### Claim 10 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the material having a high specific heat comprises finely divided silica.

### Claim 11 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the material having a high specific heat comprises ceramic particles.

### Claim 12 (depends on 1)

An eyelash curling device as defined in claim 1, wherein the material having a high specific heat comprises a solid ceramic material.

### Claim 13

An eyelash curling device for curling eyelashes adapted use with a remote heating apparatus such that the eyelash curling device is detached from the remote heating apparatus when used to curl the eyelashes, the eyelash curling device comprising:
a compression strip including a flexible silicone-based material impregnated with micro alumina hydrate particles;
a compression blade; and
means for selectively engaging and disengaging the compression blade and the compression strip.

### Claim 14 (depends on 13)

An eyelash curling device as defined in claim 13, wherein the flexible silicone-based materials is further impregnated with silica particles.

### Claim 15 (depends on 13)

An eyelash curling device as defined in claim 13, wherein the flexible silicone-based material comprises dimethyl silicone rubber cured with an organic peroxide.

### Claim 16 (depends on 13)

An eyelash curling device as defined in claim 13, wherein the compression blade comprises a material having a low thermal conductivity.

### Claim 17 (depends on 13)

An eyelash curling device as defined in claim 13, wherein the compression strip is substantially thermally insulated from other parts of the eyelash curling device.

### Claim 18

An eyelash curling device for curling eyelashes adapted for use with a remote heating apparatus such that the eyelash curling device is detached from the remote heating apparatus when used to curl the eyelashes, the eyelash curling device comprising;
a compression strip including a dimethyl silicone rubber cured with organic peroxide and impregnated with a material having a high specific heat and a color pigment;
a compression blade; and
means for selectively engaging and disengaging the compression blade and the compression strip.

### Claim 19 (depends on 18)

An eyelash curling device as defined in claim 18, wherein the material having a high specific heat comprises micro alumina hydrate.

### Claim 20 (depends on 18)

An eyelash curling device as defined in claim 18, wherein the material having a high specific heat is selected from the group consisting of ceramics, metal oxides, alumina, silica, and mixtures of the foregoing.
