Drinking receptacle with removable chilling liner

A container having a removable heat transfer member, comprising:

• a body having a first inner wall forming an upwardly open inner receptacle and a second outer wall of height different from that of said first inner wall forming an upwardly open outer receptacle closed at its lower end which surrounds said inner receptacle, wherein said body is formed in a single, unitary part incorporating both said first inner wall and said second outer wall, a generally annular chamber having an open top and a closed bottom is formed between said inner receptacle and said outer receptacle, said first inner wall extends above said second outer wall, thereby obliging the user to engage only the thickness of a single wall when drinking, and said second outer wall has an external handle;
• a separate heat transfer member comprising a flexible envelope enclosing a freezable gelling material, wherein said heat transfer member is dimensioned and configured as an annular sleeve to be received in said generally annular chamber and to be manually removable therefrom, and to be folded flat when said gelling material is not frozen;
• and
• a separate cap dimensioned and configured to engage said body and thereby close said generally annular chamber, wherein said cap has a central opening enabling said first wall to pass through said opening and to extend above said cap when said cap is installed on and engaged with said body.

A container having a removable heat transfer member, comprising:

• a body having a first inner wall forming an upwardly open inner receptacle closed at its lower end and a second outer wall of a height different from that of said inner wall forming an upwardly open outer receptacle which surrounds said inner receptacle, wherein
• said body is formed in a single, unitary part incorporating both said first inner wall and said second outer wall, and includes a floor common to said inner receptacle and said outer receptacle, wherein
• a generally annular chamber having an open top and a closed bottom is formed between said inner receptacle and said outer receptacle, and
• one of said first inner wall and said second outer wall extends in height above the other one of said first inner wall and said second outer wall, whereby a user is obliged to engage only the thickness of a single wall when drinking;
• and
• a separate heat transfer member dimensioned and configured to be received in said generally annular chamber and to be manually removable therefrom.