EAR PLUG

• Main Authors: MIFUNE YUZO, UTSUKI YOHEI
• Format: Patent
• Language: English; Japanese
• Published: 07.12.2017
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

PROBLEM TO BE SOLVED: To provide an ear plug capable of reducing discomfort caused by long-term wearing, while keeping excellent noise insulation performance and preventing breakage caused by elastic deformation.SOLUTION: A cannonball-shaped ear plug 1 comprises: an ear plug body 11 made from elastic foam plastic material; and three grooves 12, 13, and 14 provided spirally in the outer peripheral surface of the ear plug body 11. In the second mode of the ear plug, the area of the grooves provided in the outer peripheral surface of the ear plug body in the ear plug of the first mode accounts for 10% to 60% of the area of the entire outer peripheral surface of the ear plug body.SELECTED DRAWING: Figure 1 【課題】優れた遮音性能を維持し、弾性変形による破損を防ぎつつ、長時間の装着による不快感を低減することが可能な耳栓を提供する。【解決手段】砲弾形状を有する耳栓１は、弾性発泡プラスチック材料からなる耳栓本体１１と、耳栓本体１１の外周面にラセン状に設けられた３本の溝１２，１３，１４とを備えている。耳栓の第２の態様は、第１の態様の耳栓において、前記耳栓本体の前記外周面に設けられた前記溝が、前記耳栓本体の前記外周面全体に占める面積は、１０％〜６０％である【選択図】図１