IT8220655A0 - PROCEDURE FOR THE PRODUCTION OF SIMILAR POLYCARBONATE SPORTS HELMETS. - Google Patents
PROCEDURE FOR THE PRODUCTION OF SIMILAR POLYCARBONATE SPORTS HELMETS.Info
- Publication number
- IT8220655A0 IT8220655A0 IT8220655A IT2065582A IT8220655A0 IT 8220655 A0 IT8220655 A0 IT 8220655A0 IT 8220655 A IT8220655 A IT 8220655A IT 2065582 A IT2065582 A IT 2065582A IT 8220655 A0 IT8220655 A0 IT 8220655A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- sports helmets
- similar polycarbonate
- polycarbonate
- Prior art date
Links
- 229920000515 polycarbonate Polymers 0.000 title 1
- 239000004417 polycarbonate Substances 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C2/00—Manufacturing helmets by processes not otherwise provided for
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/002—Coloured
- B29K2995/0021—Multi-coloured
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4814—Hats
- B29L2031/4821—Helmets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8220655A IT8220655A0 (en) | 1982-04-08 | 1982-04-08 | PROCEDURE FOR THE PRODUCTION OF SIMILAR POLYCARBONATE SPORTS HELMETS. |
DE19833308904 DE3308904A1 (en) | 1982-04-08 | 1983-03-12 | Process for the manufacture of crash helmets from polycarbonate and the like |
FR8305407A FR2524776A1 (en) | 1982-04-08 | 1983-03-30 | METHOD FOR MANUFACTURING POLYCARBONATE SPORTS HELMETS OR OTHER THERMOPLASTIC MATERIALS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8220655A IT8220655A0 (en) | 1982-04-08 | 1982-04-08 | PROCEDURE FOR THE PRODUCTION OF SIMILAR POLYCARBONATE SPORTS HELMETS. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT8220655A0 true IT8220655A0 (en) | 1982-04-08 |
Family
ID=11170112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8220655A IT8220655A0 (en) | 1982-04-08 | 1982-04-08 | PROCEDURE FOR THE PRODUCTION OF SIMILAR POLYCARBONATE SPORTS HELMETS. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3308904A1 (en) |
FR (1) | FR2524776A1 (en) |
IT (1) | IT8220655A0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1277151B1 (en) * | 1995-01-25 | 1997-11-04 | R G Studio S N C | VINTAGE STYLE HELMET SATISFYING APPROVAL STANDARDS, EQUIPPED WITH DOUBLE RING FIXING SYSTEM AND NEW VISOR |
FR2863149B1 (en) * | 2003-12-08 | 2006-10-06 | Salomon Sa | MODULAR HELMET |
WO2015134995A1 (en) | 2014-03-07 | 2015-09-11 | Bell Sports, Inc. | Enduro mountain biking chin bar |
GB201908997D0 (en) * | 2019-06-24 | 2019-08-07 | Mips Ab | Helmet |
-
1982
- 1982-04-08 IT IT8220655A patent/IT8220655A0/en unknown
-
1983
- 1983-03-12 DE DE19833308904 patent/DE3308904A1/en not_active Withdrawn
- 1983-03-30 FR FR8305407A patent/FR2524776A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2524776B3 (en) | 1985-02-01 |
FR2524776A1 (en) | 1983-10-14 |
DE3308904A1 (en) | 1983-10-13 |
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