Patent · US Active

Shaker seal

US8960446B2 · kind B2 · utility

0Cited by
6References
7Claims
0Family size

Inventors

Key dates

Filing dateOct 28, 2010
Grant dateFeb 24, 2015
Priority date
Expiry dateOct 20, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07B1/46
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A seal can have a middle portion, an upper lip, and a lower lip. The upper lip has a configuration with an upper end portion, an upper top portion, and an upper bottom portion with a void space defined in part by the upper end portion, the upper top portion, and the upper bottom portion. The lower lip can have a configuration with a lower end portion, a lower top portion, and a lower bottom portion with a void space defined in part by the lower end portion, the lower top portion, and the lower bottom portion. A middle portion connects the upper lip and the lower lip.

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