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Bottle-stopper-means-for-wine-bottles

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Bottle stopper means for wine bottles

Details

Inventors: Pfefferkorn, Hans O.; Pfefferkorn, Bernd; Reiter, Viktor H.;
Assignee:
Primary Examiner: Norton; Donald F.
Assistant Examiner:
Attorney, Agent or Firm: Salzer; Erwin

A tamper-proof bottle stopper intended to be used for closing wine bottles. The stopper means is of a composite nature and includes a stopper body having an integral upper flange portion which is situated in the closed position above the annular end surface of the neck of a bottle and abuts against the latter when the stopper body proper is pressed into the neck. The upper portion of the stopper body is corrugated or fluted on the radially outer surface thereof. The stopper body defines a cavity open at the upper end and closed at the lower end into which a gas-tight stopper insert is placed. The composite stopper means further includes a fluted cap that engages and coacts with the fluted portion of the stopper body so as to prevent a rotary motion of the cap relative to the stopper body. The cap is provided with a skirt projecting downwardly on the outer surface of the neck of a bottle. The cap, and more particularly its skirt, are of relatively small diameter and of a resilient material adapted to be expanded and mounted on a neck of relatively large diameter of a bottle and then to contract to said relatively small diameter. The cap includes a readily removable annular tearoff strap which, when torn off, severs the cap peripherally, and allows removal of the stopper body and of its insert from the neck of the bottle.

DETAILED DESCRIPTION We claim as our invention: 1.
Stopper means for closing wine bottles and like receptacles including a.
an elongated stopper body of synthetic flexible material adapted for insertion into the neck of a bottle so as to seal said neck; b.
said stopper body having an upper integral annular flange portion of increased diameter fluted on the radially outer surface and said stopper body further defining a cavity open at the upper end and closed at the lower end thereof; c.
an elastomeric gas-tight stopper insert placed into and closely fitting said cavity; and d.
an outer cap engaging said upper portion of said stopper body, said outer cap being of relatively small diameter and of a resilient material adapted to be expanded and mounted on a neck of relatively large diameter of a bottle and then to contract to said relatively small diameter, said outer cap including a system of flutes engaging said fluted portion of said stopper body so as to preclude any rotary motion of said outer cap relative to said stopper body, and said outer cap further including a readily removable strap portion adapted to readily sever said outer cap in transverse direction to allow joint removal of said stopper body, said stopper insert, and said fluted portion of said cap.
2.
Stopper means as specified in claim 1 wherein said outer cap has a relatively small thickness at the region thereof immediately adjacent said stopper body and a relatively large thickness at the region thereof remote from said stopper body.

Description:
BACKGROUND OF THE INVENTION Wine bottles are generally closed by means of a cork or stopper, and by means of a cap of tinfoil or a plastic material (synthetic resin) mounted on the neck of the bottle and covering said cork or stopper.
Such caps have two objects of which one is to improve the appearance of the bottle, and the other is to provide a means for detecting initial opening of the bottle, since it is fair to presume that the bottle has not been opened following an initial bottling operation if, and as long as, the aforementioned cap is intact

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