Resources Contact Us Home
Composite stopper with controlled permeability

Image Number 3 for United States Patent #6601722.

A composite stopper for closing bottles, in particular wine bottles, comprising a body made of a compressible material such as cork, provided at least at its end facing the contents of the bottle to be closed with matching element forming a joint. The element (25) is made from a substantially incompressible elastomer, filling up a cavity arranged circular in shape and a concentric position in the end surface (24) of the stopper body (22) and having a volume such that the element, under the effect of compression whereto the stopper body is subjected when the bottle is closed, is elastically deformed at the front of the end surface, so as to produce after closure, at the front of the cork body end surface, a sealing joint covering the whole of the end surface and in contact the bottle neck inner surface (26). The invention is useful for closing bottles of sparking or non-sparking wine.

  Recently Added Patents
Apparatus and methods for color displays
Method of estimating remaining constant current/constant voltage charging time
Method and apparatus for providing spin-home function for mobile communication terminal
Vehicle and method for controlling vehicle
Fail-safe upgrading of portable electronic device software
Flat panel display
Lighting control device and lighting control method
  Randomly Featured Patents
Geranium named Americana Violet
Lighting fixture
Method and apparatus for linearizing an efficient class D/E power amplifier using delta modulation
Metal hydrazine complexes for use as gas generants
Systems, methods, and apparatus for linking machine stators
Catalyst system for polycarbonate manufacture
Ultra-thin SOI vertical bipolar transistors with an inversion collector on thin-buried oxide (BOX) for low substrate-bias operation and methods thereof
Reaction injection and compression molding of a golf ball
Method of compensating for delay between clock signals
Method of forming a high-k gate dielectric layer