Thermal sleeve, method for manufacturing a thermal sleeve, and combination cup and thermal sleeve
AssigneeWausau Paper Mills, LLC
InventorsJohn Katchko, David Uitenbroek
Life of this patent
Estimating the term…
Abstract
A thermal sleeve is provided according to the invention. The thermal sleeve can be provided as a cup sleeve for wrapping a cup and providing thermal insulation. The cup sleeve includes a creped paper product having a first end, a second end, a first cup opening, and a second cup opening, and an adhesive holding the first end and the second end together to form a wrap wherein the wrap is sized to enclose a cup. A method for manufacturing a cup sleeve is provided. A combination cup and cup sleeve is provided.
Claims25
A cup sleeve comprising:
- (a) a creped paper product having a first end, a second end, a first cup opening, and a second cup opening;
- and
- (b) adhesive holding the first end and the second end together to form a wrap sized to enclose a cup.
A thermal sleeve comprising:
- (a) a creped paper product having a first end and a second end, a basis weight of about 20 lbs/3,000 ft2 to about 150 lbs/3,000 ft2, and about 8 to about 100 crepe lines per linear inch;
- and
- (b) adhesive holding the first end and the second together to form a wrap.
A combination cup and cup sleeve comprising:
- (a) a cup;
- and
- (b) a cup sleeve wrapping the cup, wherein the cup sleeve comprises a creped paper product having a first end and a second end and adhesive holding the first end and the second end together to form a wrap sized to enclose the cup.
A method for manufacturing a cup sleeve comprising:
- (a) creping a paper substrate having a basis weight of about 20 lbs./3,000 ft2 to about 150 lbs/3,000 ft2 to provide a creped paper product having about 8 to about 100 crepe lines per linear inch;
- (b) cutting the creped paper product to a cup sleeve blank having a first end, a second end, a first cup opening, and a second cup opening;
- and
- (c) adhering the first end and the second end to form a wrap sized to enclose a cup.
Dependencies are inferred from the claim text.