A novel comb is disclosed comprising a comb back, a comb-teeth module detachably mounted on the comb back, and a case member connected to one end of the comb back for serving as a handle. The comb-teeth module comprises at least one continuous wire wound helically into a plurality of coil-shaped comb...http://www.google.es/patents/US4050469?utm_source=gb-gplus-sharePatente US4050469 - Comb with disposable comb-teeth module