Device for insulatedly assembling a component for electrically driven timepieces

Claim 1

In a method for insulating and assembling an apertured component upon a staff of an electric timepiece, the steps comprising: a. providing a plate of deformable insulating material; b. forming the plate into tubular form about a mandrel by pressing the plate to the mandrel with a plurality of forming slides arranged circumferentially of the mandrel; c. orienting the apertured component so that its aperture is immediately adjacent one end of the formed tube and is aligned with the tube; and d. forcing the formed tube from supportive contact with the forming slides directly into the aperture in the component, whereby deformation of the tubular configuration of the tube during insertion of the tube into the aperture is avoided.

Claim 10

A method for insulatingly assembling an apertured component upon the staff of a balance wheel oscillator of an electrically driven timepiece, comprising: a. providing a plate of deformable insulating material; b. providing a mandrel having a forming length, the forming length terminating at one end in a shoulder of greater diameter than the forming length but of lesser diameter than the aperture of the apertured component; c. forming the plate into tubular form about the forming length of the mandrel by pressing the plate to the mandrel with a plurality of forming slides arranged circumferentially of the mandrel, the plate being pre-oriented with respect to the slides so that adjacent or abutting ends of the resultant tube are misaligned with points of abutment between adjacent slides; d. orienting the apertured component and mandrel so that the aperture of the component is aligned with the formed tube and immediately adjacent one end of the tube; e. forcing the mandrel into the aperture of the component, the shoulder of the mandrel contacting the formed tube and forcing the formed tube from its supportive contact with the forming slides directly into the aperture in the component, whereby deformation of the tube during insertion thereof into the component is avoided; and f. removing the mandrel and assembling the apertured, insulated component about the staff of a balance wheel oscillator.

Claim 11

A method for insulatingly assembling an apertured component upon the staff of a balance wheel oscillator of an electrically driven timepiece, comprising: a. providing a plate of deformable insulating material; b. providing a mandrel having a forming length, the forming length terminating at one end in a shoulder of greater diameter than the forming length but of lesser diameter than the aperture of the apertured component; c. forming the plate into tubular form about the forming length of the mandrel by pressing the plate to the mandrel with a plurality of forming slides arranged circumferentially of the mandrel, the plate being pre-oriented with respect to the slides so that adjacent or abutting ends of the resultant tube are misaligned with points of abutment between adjacent slides; d. orienting the apertured component and mandrel so that the aperture of the component is aligned with the formed tube and immediately adjacent one end of the tube; e. forcing the mandrel into the aperture of the component, the shoulder of the mandrel contacting the formed tube and forcing the formed tube from its supportive contact with the forming slides directly into the aperture in the component, whereby deformation of the tube during insertion thereof into the component is avoided; and f. removing the mandrel and assembling the apertured, insulated component about the staff of a balance wheel oscillator.