INSULATED DOUBLE WALLED DRINKING VESSEL AND METHOD OF MAKING THE SAME

An insulated drinking vessel (20), e.g., a tumbler (20), and method of making the same is disclosed. The vessel (20) basically comprises a pre-molded inner vessel (24) formed of a plastic material having a sidewall (38) is disposed within a pre-molded outer vessel (22) formed of a plastic material h...

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Bibliographische Detailangaben
1. Verfasser:	MELTON, THOMAS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HOUSEHOLD OR TABLE EQUIPMENT HUMAN NECESSITIES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An insulated drinking vessel (20), e.g., a tumbler (20), and method of making the same is disclosed. The vessel (20) basically comprises a pre-molded inner vessel (24) formed of a plastic material having a sidewall (38) is disposed within a pre-molded outer vessel (22) formed of a plastic material having a sidewall (30) to form a subassembly having an insulating air space (44) between the sidewalls. Each of the vessels (22,24) includes a contoured surface including at least one projection or depression. A ring (26) of plastic material is molded in-situ on the contoured surfaces to cause portions thereof to melt and intermingle with the plastic material of the ring (26) to form a homogenous joint having a depth no greater than approximately 0.003 inch. The ring (26) forms the rim or lip of the insulated drinking vessel (20). L'invention concerne un récipient à boire isolé (20), par exemple, un verre (20), et son procédé de fabrication. Le récipient (20) comprend essentiellement un récipient interne pré-moulé (24) formé d'une matière plastique ayant une paroi latérale (38) disposé à l'intérieur d'un récipient externe pré-moulé (22) formé d'une matière plastique ayant une paroi latérale (30) pour former un sous-ensemble ayant un espace d'air isolant (44) entre les parois latérales. Chacun des récipients (22,24) comprend une surface profilée comprenant au moins une saillie ou une dépression. Un anneau (26) de matière plastique est moulé in situ sur les surfaces profilées pour amener des portions de celles-ci à fondre et se mélanger avec la matière plastique de l'anneau (26) pour former un joint homogène ayant une profondeur qui n'est pas supérieure à environ 0,003 pouce. L'anneau (26) forme le rebord ou la lèvre du récipient à boire isolé (20).