Glass container comprising a glass bottom with improved properties

A glass container is provided that includes a tube, a circular bottom, and a longitudinal axis. A curved glass heel extends from an outer end the bottom to the first end of the tube. The outer surface has a topography defined by a function ĥ(x) that is an azimuthal average of a distance between a co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Frost, Robert, Langsdorf, Andreas, Humbertjean, Alexander, Thomas, Jens Ulrich, Moseler, Doris, Weidmann, Günter, Wetzel, Tobias, Huhn, Roman, Lentes, Frank-Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BABY COMFORTERS CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE CHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES CONVEYING DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS GLASS HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES HYGIENE MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MEDICAL OR VETERINARY SCIENCE METALLURGY MINERAL OR SLAG WOOL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A glass container is provided that includes a tube, a circular bottom, and a longitudinal axis. A curved glass heel extends from an outer end the bottom to the first end of the tube. The outer surface has a topography defined by a function ĥ(x) that is an azimuthal average of a distance between a contact plane and the outer surface at any given position located on a circle having the centre and the radius \|x\|. The values ĥ for ĥ(x) are determined for a plurality of circles the radius of which increases stepwise by 500 μm starting with a circle around the centre having a radius of 500 μm. The values ĥ are determined in a range from x=−0.4×d2/2 to x=+0.4×d2/2, d2 having a size such that at least 4 values ĥ are determined and can be fitted with a curvature functionh^⁡(x)=-c×x21+1-c2×x2+h0.