Capsule type ear protector - has adjustable stirrup fitting in protector sockets with automatic locking devices
DE2934636B1
Sound absorber
NL7905519A
Sound absorption.
DE2847724A1
Protective cap for airport of sports use - has head portion and articulated ear pieces made of polypropylene foil overlaid with cloth fabric
DE2834683B1
Sound absorber
DE2832569A1
Sound absorbent panels - pref. made of closed-cell polyethylene
DE2826157B1
Bottle silencer
DE2822181A1
Two=part fastening element for flat material, sheets etc. - fits together with no counter-pressure or rivets by bore and projection
DE2819555A1
Helmet mounted welding mask - has sheet of protective material wound up and down in front of pane
DE2817809B1
Ear protection plug and process for its manufacture
DE2816616A1
Plate shaped machine vibration damper - has rubber and elastomer plates with interfitting conical projections and recesses
DE2802887A1
Signal transmission system for very noisy places - has two transmitters and two receivers, one with acoustical and other with optical signalling device
DE2759186A1
Microphone detecting spoken information - is positioned inside human ear to receive sounds from body directly and is acoustically insulated from outside
DE2736176A1
Plasticised, filled, PVC sheet - used for reducing boom or drone made by machinery, has adjustable suction cups for fixing e.g. to machine casing
DE2735548A1
Floating impurities removal - by endless absorbent web passed through squeeze rollers for reuse
DE2732398A1
Goggles for skier and/or motor cyclist - incorporating fleece-type sweat absorber to prevent misting-over and promote access of air
DE2721935A1
Pad for ear protection features a suction pad - which is of polyester fleece or polyacrylonitrile and can be removed for cleaning or renewal
DE2719503A1
Headgear with ear protection fitting - is worn with protective helmet and is independently articulated
