Patent · US Active

Living hinge creation through extrusion of a thermoformable plastic sheet

US9486112B2 · kind B2 · utility

0Cited by
22References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2011
Grant dateNov 8, 2016
Priority date
Expiry dateFeb 12, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49826
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A bathing vessel is made of a sheet of layered materials, which include a first layer of polyurethane material, a second layer of polyurethane material attached to the first layer, a third layer of acrylonitrile butadiene styrene (ABS) material attached to the second layer, and a fourth layer of acrylic material attached to the third layer. A first narrowed portion about which the sheet bends is provided. The bend defines a first wall and a second wall in the sheet.

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