Patent · US Expired

Artificial hair for hair-implantation and preparation process and preparation apparatus thereof

US5005518A · kind A · utility

10Cited by
4References
2Claims
0Family size

Inventor

Key dates

Filing dateDec 20, 1989
Grant dateApr 9, 1991
Priority date
Expiry dateDec 20, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/18
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Apparatus for preparation of artificial hair for hair-implantation comprising a vacuum vessel, a vacuum pump communicating with the vacuum vessel through an on-off valve, a crucible in of the vacuum vessel equipped with a heater for fusing silver, and a rotary container in the vacuum vessel adapted to receive monofilaments of a synthetic resin therein and to rotate to cause amorphous silver to adhere in spots to the monofilament by subjecting them to vacuum deposition of silver at a vacuum degree of 10.sup.-3 to 10.sup.-6 Torr.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.