Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Extruded monolithic foam earplug










Image Number 2 for United States Patent #6408981.

A monolithic earplug being compressible or deformable. The earplug is fabricated from an extruded, elastomeric thermoplastic in order that it may be rapidly and efficiently produced, and then the extrudate is cut at the die face, as it emerges therefrom, into discrete pieces to form earplugs having convex end portions and a skin extending over its entire outer surface.








 
 
  Recently Added Patents
Automatic engine oil life determination with a factor for oil quality
Owner-brokered knowledge sharing machine
System and method for removing oxide from a sensor clip assembly
Methods for non-linear image blending, adjustment and display
Piezoelectric device and fabricating method thereof
Motorized home appliance door
Electronic apparatus and manufacturing method of electronic apparatus
  Randomly Featured Patents
Adaptive optical transceiver for fiber access communications
Self-retaining smooth bore insert
Processing and use of waste latex materials
Rain detector
Ripple cancellation circuit for ultra-low-noise power supplies
Digital delta Sigma modulator and applications thereof
System and method for managing the power state of a controlling device according to an indication of the power state of a source output device
Liquid crystal display
Energy-on-demand ignition coil
Semiconductor device and fabrication process thereof