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US 11,496,823 B2Granted
Earpiece
AssigneeSekisui Polymatech Co., Ltd.
InventorShinya Mizoe
Life of this patent
Estimating the term…
Abstract
An earpiece is provided. The earpiece can deform flexibly so as to follow the earhole when in use, and the earpiece can be manufactured easily. An earpiece includes an earpiece body and a filler filled in the earpiece body. The earpiece body has a container-like base member formed of a rubber-like elastic diaphragm that is shaped like a container and has an opening portion. The earpiece body also has a lid member that seals the opening portion liquid-tightly. The filler is flowable at room temperature.
Claims12
An earpiece comprising:
- an earpiece body;
- and
- a filler filled in the earpiece body, wherein
- the earpiece body includes
- a container-like base member formed of a rubber-like elastic diaphragm that is shaped like a container and has an opening portion, and
- a lid member that seals the opening portion liquid-tightly, and
- wherein a width of the container-like base member is at least a width of the lid member or less,
- the filler is flowable at room temperature, and selected from any one of
- a liquid whose viscosity is in a range of 100,000 cSt to 3,000,000 cSt,
- a viscous fluid whose consistency measured using a one-quarter cone device is in a range of 100 to 800, and
- a gel whose needle penetration number is in a range of 100 to 500.
8 more elements
Dependencies are inferred from the claim text.