Air diffusers

Details Air diffusers Air diffusers

1991-07-10

1994-04-19

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

For hair on head

392380, 392383, A45D 2000

Patent

active

053034830

ABSTRACT:
An air diffuser for attachment to a handheld hairdryer includes a diffuser neck and an angled diffuser head. The diffuser neck is provided with air vents. If a back pressure builds up in the diffuser with a consequent risk of overheating the hairdryer, then air escapes through the vents relieving the back pressure. In the absence of a back pressure substantially all of the air flows along the diffuser and out through the mouth of the diffuser.

REFERENCES:
patent: 3837581 (1974-09-01), Orsoff
patent: 4287673 (1981-09-01), Wolter
patent: 4295283 (1981-10-01), Tomaro
patent: 4602146 (1986-07-01), Barns et al.
patent: 4759135 (1988-07-01), Scivoletto
patent: 4827105 (1989-05-01), Brown, Jr.
patent: 4848007 (1989-07-01), Montagnino
patent: 4896020 (1990-01-01), Poweleit
patent: 5036601 (1991-08-01), Mulle, Jr. et al.

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