US2024065408A1PendingUtilityA1

Haircare appliance

Assignee: DYSON TECHNOLOGY LTDPriority: Dec 23, 2020Filed: Dec 16, 2021Published: Feb 29, 2024
Est. expiryDec 23, 2040(~14.4 yrs left)· nominal 20-yr term from priority
A45D 20/122A45D 20/10A45D 20/12
58
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

Disclosed is an attachment for a haircare appliance, the attachment including: an air inlet for receiving an airflow; an air outlet for emitting the airflow; and a hair treatment chamber for receiving hair, the hair treatment chamber in fluid communication with the air outlet. The hair treatment chamber includes a wall, an opening through which hair is insertable into the hair treatment chamber, and an aperture formed in the wall, the air outlet configured to direct airflow away from the opening and toward the aperture in use.

Claims

exact text as granted — not AI-modified
1 . An attachment for a haircare appliance, the attachment comprising:
 an air inlet for receiving an airflow;   an air outlet for emitting the airflow; and   a hair treatment chamber for receiving hair, the hair treatment chamber in fluid communication with the air outlet; wherein the hair treatment chamber comprises a wall, an opening through which hair is insertable into the hair treatment chamber, and an aperture formed in the wall, the air outlet configured to direct airflow away from the opening and toward the aperture in use.   
     
     
         2 . The attachment as claimed in  claim 1 , wherein the air outlet is configured to direct airflow along a surface of the wall in use. 
     
     
         3 . The attachment as claimed in  claim 1 , wherein the wall comprises a porous material. 
     
     
         4 . The attachment as claimed in  claim 3 , wherein the porous material defines the aperture. 
     
     
         5 . The attachment as claimed in  claim 1 , wherein the attachment comprises a plurality of apertures formed in the wall. 
     
     
         6 . The attachment as claimed in  claim 1 , wherein the air outlet extends about at least a part of a periphery of the hair treatment chamber. 
     
     
         7 . The attachment as claimed in  claim 6 , wherein the air outlet extends about the entire periphery of the hair treatment chamber. 
     
     
         8 . The attachment as claimed in  claim 6 , wherein a width of the air outlet varies about the periphery of the hair treatment chamber. 
     
     
         9 . The attachment as claimed in  claim 8 , wherein the attachment comprises a conduit located at a first side of the hair treatment chamber, the conduit providing a flow path from the air inlet to the air outlet, and the air outlet has a maximal width at a second side of the hair treatment chamber opposite to the first side. 
     
     
         10 . The attachment as claimed in  claim 1 , wherein the attachment comprises a sensor configured to output a signal indicative of a property of hair within the hair treatment chamber in use. 
     
     
         11 . The attachment as claimed in  claim 1 , wherein a portion of the wall spaced from the air outlet is shaped to direct airflow within the hair treatment chamber toward the opening. 
     
     
         12 . The attachment as claimed in  claim 1 , wherein the attachment comprises a further air outlet configured to direct airflow in a different direction to airflow directed by the air outlet. 
     
     
         13 . The attachment as claimed in  claim 12 , wherein the further air outlet is configured to direct airflow in a direction orthogonal to, or opposite to, a direction in which airflow is directed by the air outlet. 
     
     
         14 . The attachment as claimed in  claim 12 , wherein the hair treatment chamber comprises a rim which defines the opening, the air outlet is located on the rim such that airflow is directed away from a periphery of the opening into the hair treatment chamber, and the further air outlet is located on the rim such that airflow is directed away from the periphery of the opening and away from the hair treatment chamber. 
     
     
         15 . The attachment as claimed in  claim 12 , wherein the attachment comprises a projection extending in a direction away from the opening, and the further air outlet is located on the projection. 
     
     
         16 . The attachment as claimed in  claim 12 , wherein the attachment comprises a plurality of further air outlets spaced about a periphery of the opening, each of the plurality of further air outlets configured to direct airflow in a different direction to airflow directed by the air outlet. 
     
     
         17 . The attachment as claimed in  claim 12 , wherein the attachment comprises a first configuration in which airflow through the air outlet is unrestricted and airflow through the further air outlet is restricted and a second configuration in which airflow through the air outlet is restricted and airflow through the further air outlet is unrestricted. 
     
     
         18 . A haircare appliance comprising:
 the attachment as claimed in  claim 1 ; and   an airflow generator for generating an airflow from the air inlet to the air outlet.   
     
     
         19 . The haircare appliance as claimed in  claim 18 , wherein the haircare appliance comprises a handle unit within which the airflow generator is disposed, and the attachment is removably attachable to the handle unit. 
     
     
         20 . A haircare appliance comprising:
 an air inlet;   an air outlet;   an airflow generator for generating an airflow from the air inlet to the air outlet; and   a hair treatment chamber for receiving hair, the hair treatment chamber in fluid communication with the air outlet;   wherein the hair treatment chamber comprises a wall, an opening through which hair is insertable into the hair treatment chamber, and an aperture formed in the wall, the air outlet configured to direct airflow away from the opening and toward the aperture in use.

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