Mehrteilige Spule zur Verarbeitung eines Filmstreifens in einem Entwicklungsbehälter

Details

Veröffentlichungs-Nr.

EP4730030

Anmeldetag

30. September 2025

Veröffentlichung

22. April 2026

Rechtsraum

EP

IPC

G03D13/14, G03D13/04(THOMAS BRADSHAW et al.)

Abstract

The present invention relates to a multi-part spool 1 for processing a film strip 2 in a processing tank 3. The spool 1 comprises a cylindrical outer reel 4 and inside it a concentrically located removable cylindrical inner reel 5. There is a helical groove 6, 7 on the external surface of the inner reel 5 as well as on the external surface of the outer reel 4, the faces 8 of which are configured to support the edges of the film strip 2. The helical groove 7 on inner reel and the helical groove 8 on outer reel have opposite run. There is at least one projection 9 projecting in radial direction at both ends of the inner reel 5 for centering the inner reel 5 in the cavity of the outer reel 4. The outer reel 4 comprises a hollow mandrel 10 projecting towards the cavity of the outer reel 4. The inner reel 5 comprises a sleeve 11 projecting towards the cavity of the inner reel 5, which is positioned on the mandrel 10 of the outer reel 4 in the assembled condition of the spool 1.

Anmelder

Firma

Vintage Visual OÜ

Land

🇪🇪 Estland

Fachgebiete