US Patent 9290312 Double-walled container

A double-walled container including an inner sleeve, an outer sleeve and a base is provided. The inner sleeve is positioned within the outer sleeve. A sidewall cavity may be formed between an inner sleeve sidewall and an outer sleeve sidewall. The lower end of the outer sleeve forms an elongated loop located below a lowermost edge of the inner sleeve. A flange may extend from the elongated loop upwardly above the lowermost edge of the inner sleeve and is attached to the inner sleeve. The elongated loop may form a loop cavity. The loop cavity may be in fluid communication with the sidewall cavity.