CH52660A - Boring head for tunnel boring machines - Google Patents

Boring head for tunnel boring machines

Info

Publication number
CH52660A
CH52660A CH52660A CH52660DA CH52660A CH 52660 A CH52660 A CH 52660A CH 52660 A CH52660 A CH 52660A CH 52660D A CH52660D A CH 52660DA CH 52660 A CH52660 A CH 52660A
Authority
CH
Switzerland
Prior art keywords
boring
machines
tunnel
head
boring head
Prior art date
Application number
CH52660A
Other languages
German (de)
Inventor
The J P Karns Tunnelin Company
Original Assignee
J P Karns Tunneling Machine Co
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 J P Karns Tunneling Machine Co filed Critical J P Karns Tunneling Machine Co
Publication of CH52660A publication Critical patent/CH52660A/en

Links

CH52660A 1910-05-24 1910-05-24 Boring head for tunnel boring machines CH52660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH52660T 1910-05-24

Publications (1)

Publication Number Publication Date
CH52660A true CH52660A (en) 1911-12-16

Family

ID=4290705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH52660A CH52660A (en) 1910-05-24 1910-05-24 Boring head for tunnel boring machines

Country Status (1)

Country Link
CH (1) CH52660A (en)

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