CA452741A - Inflatable core for use in casting hollow concrete units - Google Patents

Inflatable core for use in casting hollow concrete units

Info

Publication number
CA452741A
CA452741A CA452741A CA452741DA CA452741A CA 452741 A CA452741 A CA 452741A CA 452741 A CA452741 A CA 452741A CA 452741D A CA452741D A CA 452741DA CA 452741 A CA452741 A CA 452741A
Authority
CA
Canada
Prior art keywords
hollow concrete
concrete units
casting hollow
inflatable core
inflatable
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
CA452741A
Other languages
French (fr)
Inventor
Goldwell Ambrose John
Bernard Methews Charles
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
Publication date
Application granted granted Critical
Publication of CA452741A publication Critical patent/CA452741A/en
Expired legal-status Critical Current

Links

CA452741A Inflatable core for use in casting hollow concrete units Expired CA452741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA452741T

Publications (1)

Publication Number Publication Date
CA452741A true CA452741A (en) 1948-11-23

Family

ID=35570470

Family Applications (1)

Application Number Title Priority Date Filing Date
CA452741A Expired CA452741A (en) Inflatable core for use in casting hollow concrete units

Country Status (1)

Country Link
CA (1) CA452741A (en)

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