POCKET STEREOSCOPES

Brand Owner Address Description
2LS TOOLS Kabushiki Kaisha Topcon 75-1, Hasunuma-cho, Itabashi-ku
Tokyo 174-8580
Japan
Surveying apparatus and instruments and accessories ...
 

Where the owner name is not linked, that owner no longer owns the brand

   
Technical Examples
  1. An earplug (10) with a body front portion (22) for insertion into a person's ear canal, has a pocket (30) to increase comfort and is constructed to enhance noise attenuation. The pocket, which allows easier compression of the body front portion for increased comfort, has a plurality of baffles (50) that attenuate sound better than a pocket without baffles. The pocket with baffles is formed by a core pin (80) that lies in an injection mold (82) and that forms the pocket, the core pin having a plurality of slots (81) that form the baffles. The pocket includes a rear portion (36) that forms a wide passage, and the earplug includes a blocker portion (90) that partially or completely closes off the rear pocket passage.