Abstract: The invention provides: a method for applying a liquid to the rim of a container by transfer from a roller whose surface is composed of a tubular warp or weft knit of 2×1 rib construction; a glass jar or equivalent container whose rim has a coating of varnish, adhesion promoter or heat-sealing primer formed by an application method; a jar or equivalent container comprising a seal heat-sealed to the rim.

Abstract: A method for opening a seal including a metal foil and a layer of thermoplastic resin via which the seal is heat-sealed to the rim of a glass jar or equivalent container, the rim having been coated beforehand with a heat-sealing primer, the heat-sealed seal providing hermetic closure of the glass jar or equivalent container, where the initial and final tear forces are not more than 28 N on peeling of the seal at 90° at a speed of 300 mm/min; a glass jar or equivalent container suitable for implementation of this method, where the coating of heat-sealing primer contains an organic and/or inorganic material in which organic and/or inorganic fillers are incorporated; and the application of this method or this glass jar or equivalent container to the packaging of processed food products.

Abstract: The invention relates to: 1) a process for the mass production of hollow glass articles which, when positioned beside one another with the same orientation in one and the same plane, are liable to come into mutual contact along a surface of revolution, characterized in that after they have left the annealing lehr, they are rotated through one turn at least along the axis of said surface of revolution, this surface then being coated, by a process without any solid contact, with an additional layer which reduces the coefficient of friction; 2) a hollow glass article as obtained by this process; and 3) a packaging assembly of such articles.

Abstract: The invention provides: a method for opening a seal comprising a metal foil and a layer of thermoplastic resin via which the seal is heat-sealed to the rim of a glass jar or equivalent container, said rim having been coated beforehand with a heat-sealing primer, the heat-sealed seal providing hermetic closure of the glass jar or equivalent container, characterized in that the initial and final tear forces are not more than 28 N on peeling of the seal at 90° at a speed of 300 mm/min; a glass jar or equivalent container suitable for implementation of this method, characterized in that the coating of heat-sealing primer comprises an organic and/or inorganic material in which organic and/or inorganic fillers are incorporated; and the application of this method or this glass jar or equivalent container to the packaging of processed food products.

Abstract: The invention provides: a method for applying a liquid to the rim of a container by transfer from a roller whose surface is composed of a tubular warp or weft knit of 2×1 rib construction; a glass jar or equivalent container whose rim has a coating of varnish, adhesion promoter or heat-sealing primer formed by an application method; a jar or equivalent container comprising a seal heat-sealed to the rim.

Abstract: The invention relates to: a process for the mass production of hollow glass articles which, when positioned beside one another with the same orientation in one and the same plane, are liable to come into mutual contact along a surface of revolution, characterized in that after they have left the annealing lehr, they are rotated through one turn at least along the axis of said surface of revolution, this surface then being coated, by a process without any solid contact, with an additional layer which reduces the coefficient of friction; a hollow glass article as obtained by this process; and a packaging assembly of such articles.

Abstract: A process for the treatment of glass in order to improve the adhesion of a polymer to the glass, wherein the process involves depositing a metal oxide layer on a surface of the glass article, anddepositing a soluble aluminum salt layer on at least a portion of the metal oxide layer wherein the portion of the metal oxide layer is the portion to which the polymer is desired to adhere,the glass article produced from the process and an apparatus for performing the process,wherein the process provides excellent adhesion between the glass and a polymeric seal used in heat sealing.