Drying and gas or vapor contact with solids – Apparatus – For hair on head
Patent
1975-05-06
1976-11-23
Sprague, Kenneth W.
Drying and gas or vapor contact with solids
Apparatus
For hair on head
A45D 2024
Patent
active
039927857
ABSTRACT:
A hair dryer hood of a smooth outer shell and a smaller rigid perforated inner liner having a space therebetween to distribute heated air from a source of supply and both having an opening for a user's head. To this standard structure an improvement comprises means to change or vary the volume of the inner liner substantially within the fixed confines of the outer shell by providing a separate quick connect/disconnect to easily change or replace inner liners of different size so the inner liners can be selectively connected to the outer shell and the dryer characteristics of inner volume, drying time, drying efficiency, and air penetration can all be varied without changing the basic hair dryer design.
REFERENCES:
patent: 1762588 (1930-06-01), Rainey
patent: 1840963 (1932-01-01), Levy
patent: 1842001 (1932-01-01), Zainfeld
patent: 2810967 (1957-10-01), Jacobus
patent: 3348316 (1947-10-01), Reiss et al.
patent: 3513563 (1970-05-01), Ziegler
patent: 3645007 (1972-02-01), Scott
patent: 3763573 (1973-10-01), Bartram et al.
Cullen John F.
General Electric Company
Platt Leonard J.
Powers George R.
Sprague Kenneth W.
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