HK7779A - Children's construction units and an injection moulding process therefor - Google Patents

Children's construction units and an injection moulding process therefor

Info

Publication number
HK7779A
HK7779A HK7779A HK7779A HK7779A HK 7779 A HK7779 A HK 7779A HK 7779 A HK7779 A HK 7779A HK 7779 A HK7779 A HK 7779A HK 7779 A HK7779 A HK 7779A
Authority
HK
Hong Kong
Prior art keywords
children
injection moulding
moulding process
construction units
process therefor
Prior art date
Application number
HK7779A
Inventor
A Dawn
Original Assignee
Perry Ltd E S
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 Perry Ltd E S filed Critical Perry Ltd E S
Publication of HK7779A publication Critical patent/HK7779A/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
    • G09B1/32—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways comprising elements to be used without a special support
    • G09B1/36—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways comprising elements to be used without a special support the elements being connectible by corresponding projections and recesses

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Educational Technology (AREA)
  • Business, Economics & Management (AREA)
  • Mathematical Physics (AREA)
  • Educational Administration (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Geometry (AREA)
  • Toys (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
HK7779A 1971-01-07 1979-02-15 Children's construction units and an injection moulding process therefor HK7779A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB88271A GB1376301A (en) 1971-01-07 1971-01-07 Childrens construction units and an injection moulding process therefor
GB2881871 1971-06-18

Publications (1)

Publication Number Publication Date
HK7779A true HK7779A (en) 1979-02-23

Family

ID=26236250

Family Applications (1)

Application Number Title Priority Date Filing Date
HK7779A HK7779A (en) 1971-01-07 1979-02-15 Children's construction units and an injection moulding process therefor

Country Status (6)

Country Link
JP (2) JPS5318930B1 (en)
DE (1) DE2200275A1 (en)
FR (1) FR2120708A5 (en)
GB (1) GB1376301A (en)
HK (1) HK7779A (en)
IT (1) IT940536B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864488U (en) * 1981-10-28 1983-04-30 株式会社ブンチョウ creon
US5180323A (en) * 1991-10-29 1993-01-19 Ultimate Manufacturing Interlocking toy components
US5683283A (en) * 1994-03-18 1997-11-04 Ideal Ideas, Inc. Construction blocks for extended support structures
EP1194199A1 (en) 1999-07-10 2002-04-10 Kiblo Limited Toy building blocks
CN107731083A (en) * 2017-11-09 2018-02-23 重庆溢权科技发展有限公司 A kind of historical tourism ancient building shows model

Also Published As

Publication number Publication date
IT940536B (en) 1973-02-20
GB1376301A (en) 1974-12-04
FR2120708A5 (en) 1972-08-18
JPS53743A (en) 1978-01-06
JPS5318930B1 (en) 1978-06-17
DE2200275A1 (en) 1972-07-27

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