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US 2021/0381602 A1Published application
Seal assembly and manufacturing method thereof
AssigneeTrelleborg Sealing Solutions Germany GmbH
InventorRobert Nichols
Life of this patent
Estimating the term…
Abstract
A method of assembling a seal includes presetting a spring in a core material and performing a lost core molding process with the spring being preset in the core, which provides for more exact manufacture, leading to lighter weight, higher performance and ability to make complex designs.
Claims20
A method for assembling a seal assembly, comprising:
- providing a seal, a biasing member in a shape of a spring structure, and a core material, the seal including a plurality of material layers;
- molding a core, the core including the spring structure and the core material, the core material being configured for temporarily retaining the spring structure;
- applying the plurality of material layers onto the core for forming the seal onto the core;
- and
- removing the core material such that only the spring structure is housed within the seal.
2 more elements
A seal assembly, comprising:
- a seal defining a housing;
- and
- an inner biasing member housed within the seal, the inner biasing member being configured to be pre-shaped in a core such that the inner biasing member has a shape which corresponds to a shape of the seal.
A method for assembling a seal assembly, comprising:
- presetting a biasing member in a temporary core material;
- and
- performing a lost core molding process with the biasing member being preset in the temporary core material.
Dependencies are inferred from the claim text.