NO149017C - Hudvennlig tetningsring for hoerselsvern. - Google Patents

Hudvennlig tetningsring for hoerselsvern.

Info

Publication number
NO149017C
NO149017C NO773518A NO773518A NO149017C NO 149017 C NO149017 C NO 149017C NO 773518 A NO773518 A NO 773518A NO 773518 A NO773518 A NO 773518A NO 149017 C NO149017 C NO 149017C
Authority
NO
Norway
Prior art keywords
skin
sealing ring
hearing protection
friendly sealing
friendly
Prior art date
Application number
NO773518A
Other languages
English (en)
Other versions
NO773518L (no
NO149017B (no
Inventor
Tore Georg Palmaer
Leif Tore Palmaer
Original Assignee
Tore Georg Palmaer
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 Tore Georg Palmaer filed Critical Tore Georg Palmaer
Publication of NO773518L publication Critical patent/NO773518L/no
Publication of NO149017B publication Critical patent/NO149017B/no
Publication of NO149017C publication Critical patent/NO149017C/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
    • B29C51/365—Porous moulds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Acoustics & Sound (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
NO773518A 1976-10-14 1977-10-13 Hudvennlig tetningsring for hoerselsvern. NO149017C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7611400A SE404323B (sv) 1976-10-14 1976-10-14 Sett och anordning for framstellning av formdragna, en hudvenlig kontaktyta uppvisande, foremal av termoplast

Publications (3)

Publication Number Publication Date
NO773518L NO773518L (no) 1978-04-17
NO149017B NO149017B (no) 1983-10-24
NO149017C true NO149017C (no) 1984-02-01

Family

ID=20329129

Family Applications (1)

Application Number Title Priority Date Filing Date
NO773518A NO149017C (no) 1976-10-14 1977-10-13 Hudvennlig tetningsring for hoerselsvern.

Country Status (4)

Country Link
DE (1) DE2745395A1 (no)
GB (1) GB1578790A (no)
NO (1) NO149017C (no)
SE (1) SE404323B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642357B1 (fr) * 1989-02-02 1991-05-17 Aerospatiale Procede de fabrication d'un element moule en elastomere, au moyen du vide
US5607536A (en) * 1992-10-30 1997-03-04 Tikka-System Oy Method and apparatus for coating objects with a plastic film

Also Published As

Publication number Publication date
SE404323B (sv) 1978-10-02
GB1578790A (en) 1980-11-12
DE2745395A1 (de) 1978-04-20
SE7611400L (sv) 1978-04-15
NO773518L (no) 1978-04-17
NO149017B (no) 1983-10-24

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