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Thermally insulated bottle and method of assembly thereof
| Details |
Inventors: Padamsee, Riaz A.;
Assignee:
Primary Examiner: Sollecito; John M.
Assistant Examiner:
Attorney, Agent or Firm: Renner, Kenner, Grieve, Bobak, Taylor & Weber
A thermal insulated bottle (10) includes an outer container (12) having an open end (16) and an inner cup (18) which is at least partially received and spaced apart from the outer container ( 12 ) . The inner cup ( 18 ) and outer container (12) engage each other, preferably by a shoulder (24) at the open end (16) of the outer container (12) which encloses the space between the inner cup (18) and the outer container (12) to form a chamber (26). Within the chamber (26), a sleeve (28) of freezable fluid (30) is positioned around the inner cup (18). A thermal insulating material (32) occupies the rest of the chamber (26) between the sleeve (28) and the outer container (12). |
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DETAILED DESCRIPTION I claim: 1.
A method for assembling a bottle for containing a fluid comprising the steps of forming a sleeve with at least one edge seam and a plurality of seams extending short of the edge seam, filling the sleeve with a freezable fluid, positioning the sleeve around an inner cup, forming a chamber between the inner cup and an outer container by positioning the inner cup within the outer container, and filling the chamber with a thermal insulating material by permitting the material to foam and cure therein.
2.
A method according to claim 1, further comprising the step of closing the top of the inner cup and the outer container.
3.
A method according to claim 1, further comprising the step of retaining the sleeve on the inner cup.
4.
A method according to claim 1, further comprising the steps of providing a vent hole through the outer container to release any excess thermal insulating material during said step of filling the chamber, and thereafter plugging the vent hole.
5.
A method for assembling a bottle for containing a fluid comprising the steps of filling a sleeve having a plurality of sachets with freezable fluid by filling a first sachet within the sleeve with the freezable fluid until full, and then continuing to fill the sleeve such that the freezable fluid overflows the first sachet, passing through a fill passage in the sleeve and into adjacent sachets until all of the sachets have been filled with a predetermined amount of freezable fluid, positioning the sleeve around an inner cup, forming a chamber between the inner cup and an outer container by positioning the inner cup within the outer container, and filling the chamber with a thermal insulating material by permitting the material to foam and cure therein.
Description:
TECHNICAL FIELD This invention relates to a thermally insulated bottle.
More particularly, the invention relates to a virtually unbreakable, thermally insulated bottle which may be used to store and chill fluids.
Specifically, the invention relates to an integrally constructed, double-walled bottle having an annular space between inner and outer walls
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