Abstract: The present invention relates to a mould for making articles of expanded plastics material and to a machine adapted to receive such a mould. The mould according to the invention comprises a finned body whose central bore constitutes a cavity. The latter is closed in its lower part by a plunger while the top of this mould comprises a support provided with a guide in which a slide element moves longitudinally. The latter comprises a perforation intended for the injection of matter into the cavity, and a hole for ejection of the moulded piece after translation of the slide element.
Type:
Grant
Filed:
September 14, 1982
Date of Patent:
January 31, 1984
Assignee:
Societe Nouvelle de Bouchons Plastiques, S.N.B.P.
Abstract: A bottle stopper made of expanded plastic material and having a cylindrical side wall and transverse end walls, the end walls having a bead portion comprising a rounded peripheral edge curving smoothly into the side wall, and the end walls having concave central depressed portions which expand as the stopper is radially compressed by insertion into a bottle.
Type:
Grant
Filed:
October 26, 1981
Date of Patent:
November 8, 1983
Assignee:
Societe Nouvelle de Bouchons Plastiques S.N.B.P.
Abstract: A capping capsule with a thin wall comprising a tearable guarantee strip connected to the skirt of said capsule by means of two rupture lines of reduced thickness. The tearable guarantee strip is provided with vertical ribs spaced from each other, the thickness of which rapidly decreases to reach zero at the edges of said strip defining the crimping lines.
Type:
Grant
Filed:
July 7, 1981
Date of Patent:
July 5, 1983
Assignee:
Societe Nouvelle de Bouchons Plastiques S.N.B.P.
Abstract: A composite stopper comprises a body of resilient plastics material and a head surmounting the body. The head has a skirt extending around the body and a sleeve which is force fitted into a blind recess in the body. The fit of the sleeve causes the adjacent body portion to expand into engagement with the inner surface of the skirt.
Type:
Grant
Filed:
October 14, 1976
Date of Patent:
August 15, 1978
Assignee:
Societe Nouvelle de Bouchons Plastiques, S.N.B.P.
Abstract: The invention comprehends a capsule for stoppering the neck of a bottle, characterized in that its skirt has a cross section which is cylindrical practically over the whole of its vertical height, has a slight thickness, substantially uniform over the whole of its height, and includes around its inner wall, a retaining rib of triangular section intended to be anchored and fit beneath the collar on the neck of the bottle.
Type:
Grant
Filed:
February 23, 1977
Date of Patent:
June 6, 1978
Assignee:
Societe Nouvelle de Bouchons Plastiques S.N.B.P.
Abstract: A screw threaded cap for stoppering and re-stoppering of bottles enclosing gaseous beverages such as beer, has a base comprising a resilient lip adapted to co-operate with the junction of the bore of the bottle neck and its end surface. Ribs limit the distance between the latter and the corresponding surface of the base. The upper portion of the skirt has a rounded profile preventing cracks.
Type:
Grant
Filed:
January 14, 1977
Date of Patent:
May 16, 1978
Assignee:
Societe Nouvelle de Bouchons Plastiques S.N.B.P.