In another application for the manufacture of a cap with a filter for an ear protection device
made from raw polyamide 12 (PA12), the ultrasonic moulding process successfully manufactured a part weighing 0.02g, with a 0.5mm wall thickness, outside diameter of 4.4mm and an internal diameter of 2.9mm.
EAR protection devices
designed by Warwickshire College students could soon be on sale at stores across the world.
"By keeping the ear protection devices
right next to the equipment--whether it's draped over the steering wheel of a fork truck or in a box located next to processing machinery--people will put it on if it is convenient," she says.
For soldiers who wear ear cup protection or communication headgear ESS designed the Crossbow Suppressor, which features ultra-thin temple arms to minimise interference with ear protection devices
. All these products are compatible with Rx prescription lens inserts.
Wear OSHA-approved ear protection devices
at all concession speeches."
Shooting glasses and ear protection devices
can be high margin items for you (30-50%), and are must have items for your customers.