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GB1187993A - Buffer-Attached Helmet and the Production Method Thereof. - Google Patents

Buffer-Attached Helmet and the Production Method Thereof.

Info

Publication number
GB1187993A
GB1187993A GB21612/67A GB2161267A GB1187993A GB 1187993 A GB1187993 A GB 1187993A GB 21612/67 A GB21612/67 A GB 21612/67A GB 2161267 A GB2161267 A GB 2161267A GB 1187993 A GB1187993 A GB 1187993A
Authority
GB
United Kingdom
Prior art keywords
buffer
production method
foam
attached helmet
helmet
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
GB21612/67A
Inventor
Hirotake Arai
Michio Arai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1187993A publication Critical patent/GB1187993A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C2/00—Manufacturing helmets by processes not otherwise provided for
    • A42C2/002—In-mould forming
    • 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
    • B29C44/1228—Joining preformed parts by the expanding material
    • 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
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)

Abstract

1,187,993. Helmets. H. ARAI and M. ARAI. 10 May, 1967 [27 July, 1966], No. 21612/67. Heading A3V. [Also in Division B5] A helmet comprises an outer shell 2 and a "head-shaped" shell 5 with a layer of resilient foam 4 between them. The foam may be a polyurethane foam containing particles 6 of cork or preformed foam to reduce its density.
GB21612/67A 1966-07-27 1967-05-10 Buffer-Attached Helmet and the Production Method Thereof. Expired GB1187993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56819866A 1966-07-27 1966-07-27

Publications (1)

Publication Number Publication Date
GB1187993A true GB1187993A (en) 1970-04-15

Family

ID=24270323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21612/67A Expired GB1187993A (en) 1966-07-27 1967-05-10 Buffer-Attached Helmet and the Production Method Thereof.

Country Status (1)

Country Link
GB (1) GB1187993A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202729A (en) * 1986-12-19 1988-10-05 Secr Defence Impact protection helmet
US5891372A (en) * 1996-07-08 1999-04-06 Intertechnique Method of making a personalized helmet liner
GB2409398A (en) * 2003-12-18 2005-06-29 Johnstone Safety Products Ltd Protective headgear

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202729A (en) * 1986-12-19 1988-10-05 Secr Defence Impact protection helmet
GB2202729B (en) * 1986-12-19 1990-08-15 Secr Defence Impact protection helmet
US5891372A (en) * 1996-07-08 1999-04-06 Intertechnique Method of making a personalized helmet liner
GB2332852A (en) * 1996-07-08 1999-07-07 Intertechnique Sa A method of making a personalised helmet liner
GB2332852B (en) * 1996-07-08 2002-01-09 Intertechnique Sa A method of making a personalised helmet liner
GB2409398A (en) * 2003-12-18 2005-06-29 Johnstone Safety Products Ltd Protective headgear

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees