MOULD FOR PRODUCING REINFORCED RUBBER ARTICLES Russian patent published in 2012 - IPC B29C45/14 B29C70/36 B29D99/00 B29C33/12 B29L9/00 

FIELD: process engineering.

SUBSTANCE: invention relates to production of reinforced rubber parts and may be used for making elastic thrust hinges used in solid-propellant rocket engines. Mould used for production of reinforced rubber parts comprises loading chamber, gating system and moulding unit. Mould incorporates die for check test pieces made up of ring embracing moulding unit and arranged along therewith in single case provided with through taper holes arranged vertically along perimetre. Every said through taper hole accommodates insert made up of two halves with cylindrical plugs rigidly fitted therein and representing heads with opposed flat surface. Clearance is arranged between head surfaces communicated via horizontal channel with moulding unit cavity.

EFFECT: efficient quality control.

2 dwg