AU5038672A - A protective helmet - Google Patents

A protective helmet

Info

Publication number
AU5038672A
AU5038672A AU50386/72A AU5038672A AU5038672A AU 5038672 A AU5038672 A AU 5038672A AU 50386/72 A AU50386/72 A AU 50386/72A AU 5038672 A AU5038672 A AU 5038672A AU 5038672 A AU5038672 A AU 5038672A
Authority
AU
Australia
Prior art keywords
protective helmet
helmet
protective
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU50386/72A
Other versions
AU469560B2 (en
Inventor
Daly Noel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daly Nancy Ellen
Original Assignee
Daly Nancy Ellen
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 Daly Nancy Ellen filed Critical Daly Nancy Ellen
Application granted granted Critical
Publication of AU469560B2 publication Critical patent/AU469560B2/en
Publication of AU5038672A publication Critical patent/AU5038672A/en
Expired legal-status Critical Current

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H1/00—Personal protection gear
    • F41H1/04—Protection helmets
    • F41H1/08—Protection helmets of plastics; Plastic head-shields
    • 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
AU50386/72A 1971-12-23 1972-12-21 A protective helmet Expired AU469560B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZNZ165908 1971-12-23
NZ16590871 1971-12-23

Publications (2)

Publication Number Publication Date
AU469560B2 AU469560B2 (en) 1974-06-27
AU5038672A true AU5038672A (en) 1974-06-27

Family

ID=19916844

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50386/72A Expired AU469560B2 (en) 1971-12-23 1972-12-21 A protective helmet

Country Status (3)

Country Link
AU (1) AU469560B2 (en)
CA (1) CA1023501A (en)
GB (1) GB1367403A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184142B (en) * 1985-01-23 1987-10-22 Nolsa Srl COMPOSITE CUPS FOR PERSONAL PROTECTION, SUCH AS HELMETS AND SIMILAR
EP0612483B1 (en) * 1993-02-25 1998-03-25 Gerhard Sperber Helmet, especially protective helmet for cyclist, also method of manufacturing the same
GB2409398A (en) * 2003-12-18 2005-06-29 Johnstone Safety Products Ltd Protective headgear
ITUA20161558A1 (en) * 2016-03-11 2017-09-11 Alessiohitech S R L PRESS AND PROCEDURE FOR MOLDING EXPANDED THERMOPLASTIC POLYMERS.

Also Published As

Publication number Publication date
AU469560B2 (en) 1974-06-27
GB1367403A (en) 1974-09-18
CA1023501A (en) 1978-01-03

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