Patent · US Active

Helmet

US10470513B2 · kind B2 · utility

3Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2017
Grant dateNov 12, 2019
Priority date
Expiry dateDec 6, 2037

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA42B3/064
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A helmet having two layers that slide with respect to each other is provided. The surface of one or both layers includes a sliding facilitator to improve slidability between the two layers. The sliding facilitator includes at least one of (i) an organic polymer, a polysiloxane and surfactant; (ii) an organic polymer and a copolymer based on a polysiloxane and an organic polymer; or (iii) a non-elastomeric cross-linked polymer obtained or obtainable by subjecting a polysiloxane and an organic polymer to a cross-linking reaction.

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