Sound capsule

Function: Component of a personal respiratory protection mask. The membrane trapped in the capsule ensures the phonic performance.

Material: Capsule : aluminium 5754 thickness 0.5mm, Membrane: stainless steel thickness 0.02mm

Production: 60,000 pieces per year

Operations:

• Stamping of the upper and lower caps with a progressive die
• Swiss tool cutting of the membrane
• Assembly of the membrane between the 2 capsules
• Crimping of capsules
• 100% control of acoustic tolerances