NO149017C - SKIN-FRIENDLY Sealing ring for hearing protection. - Google Patents
SKIN-FRIENDLY Sealing ring for hearing protection.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
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)
- Compositions Of Macromolecular Compounds (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7611400A SE404323B (en) | 1976-10-14 | 1976-10-14 | METHODS AND DEVICES FOR THE MANUFACTURE OF THE FORM DRAWINGS, A SKIN-FRIENDLY CONTACT SURFACE, THERMOPLASTIC FOREMAL |
Publications (3)
Publication Number | Publication Date |
---|---|
NO773518L NO773518L (en) | 1978-04-17 |
NO149017B NO149017B (en) | 1983-10-24 |
NO149017C true NO149017C (en) | 1984-02-01 |
Family
ID=20329129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO773518A NO149017C (en) | 1976-10-14 | 1977-10-13 | SKIN-FRIENDLY Sealing ring for hearing protection. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2745395A1 (en) |
GB (1) | GB1578790A (en) |
NO (1) | NO149017C (en) |
SE (1) | SE404323B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2642357B1 (en) * | 1989-02-02 | 1991-05-17 | Aerospatiale | METHOD FOR MANUFACTURING AN ELASTOMERIC MOLDED ELEMENT BY MEANS OF A VACUUM |
US5607536A (en) * | 1992-10-30 | 1997-03-04 | Tikka-System Oy | Method and apparatus for coating objects with a plastic film |
-
1976
- 1976-10-14 SE SE7611400A patent/SE404323B/en not_active IP Right Cessation
-
1977
- 1977-09-29 GB GB40621/77A patent/GB1578790A/en not_active Expired
- 1977-10-08 DE DE19772745395 patent/DE2745395A1/en not_active Withdrawn
- 1977-10-13 NO NO773518A patent/NO149017C/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO773518L (en) | 1978-04-17 |
SE404323B (en) | 1978-10-02 |
DE2745395A1 (en) | 1978-04-20 |
GB1578790A (en) | 1980-11-12 |
NO149017B (en) | 1983-10-24 |
SE7611400L (en) | 1978-04-15 |
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