IT1216112B - Pressure ring for persons with defective hearing - Google Patents

Pressure ring for persons with defective hearing

Info

Publication number
IT1216112B
IT1216112B IT8819801A IT1980188A IT1216112B IT 1216112 B IT1216112 B IT 1216112B IT 8819801 A IT8819801 A IT 8819801A IT 1980188 A IT1980188 A IT 1980188A IT 1216112 B IT1216112 B IT 1216112B
Authority
IT
Italy
Prior art keywords
pressure ring
persons
defective hearing
ring
hearing
Prior art date
Application number
IT8819801A
Other languages
Italian (it)
Other versions
IT8819801A0 (en
Inventor
Tore Palmaer
Leif Palmaer
Original Assignee
Finnveden Holding Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Finnveden Holding Ab filed Critical Finnveden Holding Ab
Priority to IT8819801A priority Critical patent/IT1216112B/en
Publication of IT8819801A0 publication Critical patent/IT8819801A0/en
Application granted granted Critical
Publication of IT1216112B publication Critical patent/IT1216112B/en

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  • Adornments (AREA)

Abstract

The arched locating surface (8) of the pressure ring (2) produces a tight fit around the ear of a user, and the inner and outer (11,12) edges of the ring are located at different levels over its base surface (7). The pressure ring also incorporate at least one channel (13) extending from its inside to its outside and running along an essential part of its periphery.
IT8819801A 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing IT1216112B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Publications (2)

Publication Number Publication Date
IT8819801A0 IT8819801A0 (en) 1988-03-16
IT1216112B true IT1216112B (en) 1990-02-22

Family

ID=11161338

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Country Status (1)

Country Link
IT (1) IT1216112B (en)

Also Published As

Publication number Publication date
IT8819801A0 (en) 1988-03-16

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