Patent Blog
  • Contribute
  • Recommend
  • Subscribe
  • Login
  • Our Services

TODAY’S PATENT – DRAFT DEVICE

  • Older
  • Newer

TODAY’S PATENT – DRAFT DEVICE

The DRAFT DEVICE was invented by Naritoshi Ota (Otsu) on the 18th of July 2006 , bearing patent number US7076840B2.

The present invention relates to a draft device comprising a draft roller that feeds a bundle of fibers (also referred to as a sliver) while pulling the bundle (this operation is also referred to as “drafting”).First aspect of the present invention provides a draft device comprising a plurality of roller pairs that pull a bundle of fibers while feeding the bundle downstream, characterized in that gaps are provided at ends of roller constituting roller pair, which are passed through associated air currents resulting from rotation of the roller and form air passages in which said air currents act as air flows forming a prevention wall that hinders spread of the bundle of fibers fed while being drafted.

One of the objective of the present invention to provide a draft device DR including draft rollers which, when a draft device composed of a plurality of draft roller pairs is used, can reduce the adverse effect of associated air currents resulting from the rollers rotating at high speed while maintaining a gripping force and can effectively utilize the associated air currents to suppress the spread of a bundle of fibers L

  • Categories
    Today's Patent
  • Author

    Sovanna Dash

Leave a Reply Cancel Reply

Your email address will not be published. Required fields are marked *

Related Posts

TODAY’S PATENT – DETECTABLY LABELED, DUAL CONFORMATION OLIGONUCLEOTIDE PROBES, ASSAYS AND KITS

TODAY’S PATENT- PADDLES FOR BOATS

TODAY’S PATENT – INDICATION ASSEMBLY

Lex Protector

International Law Office

🇺🇸 +1 888 890 6411

Ip Enforcement

  • Copyright Enforcement
  • Utility Patent Enforcement
  • Design Patent Enforcement
  • Trademark Enforcement

Copyright Registration

  • USA Copyright Registration
  • Indian Copyright Registration
  • Amazon Brand Registration

Subscribe

© Copyright 2020. All rights Reserved

  • Terms & Conditions
  • Privacy Policy

Contribute

Recommend

    Subscribe