Closure for container for holding biological samples
First Claim
1. A closure for a container having a mouth, said closure comprising (a) a cap, said cap made of a polymeric material, (b) an interior seal having two major surfaces, said interior seal consisting essentially of a layer of brittle material, and (c) an exterior seal having two major surfaces, said exterior seal consisting essentially of an elastomeric material haying a hardness ranging from about 30 Shore A to about 90 Shore A, said layer of brittle material haying two major surfaces, a major surface of said layer of brittle material being in contact with a major surface of said exterior seal.
2 Assignments
0 Petitions
Accused Products
Abstract
A closure for a container, e.g., a tube, for a sample, e.g., a biological sample. The closure comprises a cap having a first opening and a second opening, the first opening capable of communicating with the mouth of a container, the second opening sealed by an exterior seal, and intermediate the first opening and the exterior seal, an interior seal. The invention also provides an assembly comprising the closure of this invention and a container. The invention also provides a method for preparing the closure.
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Citations
30 Claims
- 1. A closure for a container having a mouth, said closure comprising (a) a cap, said cap made of a polymeric material, (b) an interior seal having two major surfaces, said interior seal consisting essentially of a layer of brittle material, and (c) an exterior seal having two major surfaces, said exterior seal consisting essentially of an elastomeric material haying a hardness ranging from about 30 Shore A to about 90 Shore A, said layer of brittle material haying two major surfaces, a major surface of said layer of brittle material being in contact with a major surface of said exterior seal.
- 16. A closure for a container having a mouth, said closure comprising (a) a cap, said cap made of a polymeric material, (b) an interior seal having two major surfaces, said interior seal consisting essentially of a layer of brittle material, a layer of paper, a first layer of adhesive interposed between the layer of brittle material and the layer of paper, and (c) an exterior seal having two major surfaces, said exterior seal consisting essentially of an elastomeric material having a hardness ranging from about 30 Shore A to about 90 Shore A, said layer of paper having two major surfaces, a major surface of said layer of paper being in contact with a major surface of said exterior seal.
Specification