Patent · US Expired

Method for manufacturing an assembly comprising a hard plastic watch case and at least one push button

US6346208B1 · kind B1 · utility

0Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1999
Grant dateFeb 12, 2002
Priority date
Expiry dateSep 10, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B37/106
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The assembly according to the invention comprises a hard plastic watch case (2), having on its middle part one or more sealed push buttons (5) made in an inexpensive manner. Each push button (5) comprises a hard plastic stem (10), for example the same material as the case, and an elastomer flexible head (12) which is over molded onto an external surface (15) of the case. The case and the push buttons may be manufactured by injecting two materials in a single mold. The invention applies to electronic watches and to mechanical watches.

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