250
Patent Number 2001-114392, April 24, 2001 granted to
Mori Arihiro for his “Piston Lever Device of Pneumatic
Corkscrew for use Wine Bottle or the Like” solving this
problem: “To provide a piston lever device of a pneumatic
corkscrew for use with a wine bottle or the like wherein a
structure is simple and excellent airtightness when pressing
and airtight openability when drawing can be obtained.”
Patent Number 2001-348091, December 18, 2001
granted to Sugasawa Takuji with this claim:
“
A
corkscrew equipped with a point which can draw out a
cork stopper from a bottle by being caught in a lower
base of a cork stopper from the bottom when a point
rotates after a point will project into a cork stopper to a
bottle, if it is attached at a head of a straight-line-like
rod in the condition with a pivotable head edged
straight-line [ another ]-like rod and a straight difference
is carried out to a cork stopper, and drawing out
upwards again.”