Groupe IMI

Businesses > WATCH MAKING COMPONENTS

Our components are made out of all kinds of materials including brass, stainless steel, titanium, Phynox and acres...

Our components can also meet and mix other technologies such as rubber moulding from a casting, ceramic components, deposit of epoxy resin, as well as coatings by galvanoplasty, by anodizing and by ionic plating.

We also offer fastening of synthetic and precious stones, different kinds of marking or cutting either by engraving either chemical or by laser or mechanical or cold stamping.

We adapt these different technologies on a case-by-case basis on our entire range of offered components.

CROWNS

- Waterproof crowns

• Simple oring (SOR)

• Double oring (DOR)

• Ring on pipe

- Non waterproof crowns

- Screw crowns

• Outside screw crowns

• Inside screw crowns

• Fast screwing (see our news)

- Dynanometric crowns

- Screw crowns for rotating flange

- Shaped pusher and pusher cap

- Pushers

• Cylindrical pusher

• Shaped pusher and cache poussoir

• Locked pusher

• Single-piece head pusher

- Correctors

• Screwed correctors

• Press-fitted correctors

- Miscellaneous

Tubes, fastenings, pinions, lever, adjusting tools, screwing tools.

JEWEL BEARING

Since 1942, Cheval Frères has been manufacturing jewel bearings starting from half a ball of raw material in ruby to the finish product. Thanks to its watch making know-how, the firm has not stopped developing mono or polycrystalline components with a very high precision. Cheval Frères has been using its know-how acquired from generation to generation with machines conceived internally for the making of jewel bearings.

Several types of jewel bearings are offered: :

flat jewel
roller
olivated domed jewel
endstone

NEWS

• Screw crowns with fast screwing

This patented system allows screwing and unscrewing easily the crown, which has a unique position allowing the indexing of a symbol or a form. A mechanical thrust bearing enables to optimize the tightness in blocked position.

• Pushers with fast screwing

They offer the possibility to block or unblock the security ring in a half turn which facilitates the use of the pusher. This system has been patented.