Back-off preventing resealable adhesives
AssigneeHenkel AG & Co. KGaA
InventorsWinston Foo, Alexis Kriegl, Christopher Wolpert, Nicholas Bull
Life of this patent
Estimating the term…
Abstract
Adhesive compositions that replace gaskets and liners in sealing applications for packages that are detachable with hand force are described. The adhesive compositions are particularly useful in preventing leaks and spillage during storage and transport of its packaged contents. Advantageously, the adhesive composition provides packages with (1) a removal torque of from about 4 to about 20 in-lb and (2) resealable torque on subsequent openings of from about 2 to about 15 in-lb, measured in accordance to ASTM D2063.
Claims15
An article of manufacture comprising
- a first threaded member, and
- a second threaded member, matingly engaged with said first threaded member,
- wherein the threads of said first threaded member are at least partially coated with a resealable adhesive comprising a hot melt adhesive;
- and
- wherein the resealable adhesive is characterized as having (1) a removal torque of from about 4 to about 20 in-lb, measured in accordance to ASTM D2063, and (2) a resealability torque of from about 2 to about 15 in-lb, measured in accordance to ASTM D2063.
An article of manufacture comprising a first non-threaded closure member having an area of a circumference or perimeter dimension and a height dimension,
- wherein the area of the closure member is at least partially coated with a resealable adhesive comprising a hot melt adhesive, further comprising a second non-threaded member matingly engaged with the area of said first non-threaded member, whereupon the resealable adhesive is coated between the first and the second non-threaded members;
- wherein the resealable adhesive is characterized as having a removal torque of from about 4 to about 20 in-lb, measured in accordance to ASTM D2063;
- wherein the threaded member has a resealability torque of from about 2 to about 15 in-lb, measured in accordance to ASTM D2063.
A method of sealing members comprising:
- a. providing a first member;
- b. providing a second member capable of matingly engaging with said first member;
- at least one of the said first and second members being at least partially coated with a resealable coating composition;
- c. matingly engaging said first and second members,
- whereupon the resealable coating composition substantially fills the matingly engaging space between the first and the second members;
- wherein the resealable coating composition is a hot melt adhesive characterized as having a removal torque of from about 4 to about 20 in-lb, measured in accordance to ASTM D2063;
- wherein the resealable adhesive has a resealability torque of from about 2 to about 15 in-lb, measured in accordance to ASTM D2063.
Dependencies are inferred from the claim text.