ES398758A3 - A method of tunel coating. (Machine-translation by Google Translate, not legally binding) - Google Patents

A method of tunel coating. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES398758A3
ES398758A3 ES398758A ES398758A ES398758A3 ES 398758 A3 ES398758 A3 ES 398758A3 ES 398758 A ES398758 A ES 398758A ES 398758 A ES398758 A ES 398758A ES 398758 A3 ES398758 A3 ES 398758A3
Authority
ES
Spain
Prior art keywords
circle
blocks
translation
machine
legally binding
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
ES398758A
Other languages
Spanish (es)
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.)
MINING EQUIPMENT Manufacturing CORP
Original Assignee
MINING EQUIPMENT Manufacturing CORP
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 MINING EQUIPMENT Manufacturing CORP filed Critical MINING EQUIPMENT Manufacturing CORP
Priority to ES398758A priority Critical patent/ES398758A3/en
Publication of ES398758A3 publication Critical patent/ES398758A3/en
Expired legal-status Critical Current

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  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A tunnel coating method with blocks arranged in a circle to form the wall of the tunnel and widening the circle by a force applied to said wall axially with respect to said circle, characterized in that it includes the steps consisting of arranging said blocks in the form of a circle and in making conical holes in both opposite ends of each of said blocks, the conicity being oriented in the direction of the axis of said circle, in placing wedge-shaped pieces in said conical housings in the ends of each two adjacent blocks, and in pressing all said wedge-shaped pieces along said conical housings and axially with respect to said circle, thus increasing the diameter of said circle, forcing all these blocks to separate one from the other and radially outwardly under the influence of axial force. (Machine-translation by Google Translate, not legally binding)
ES398758A 1972-01-11 1972-01-11 A method of tunel coating. (Machine-translation by Google Translate, not legally binding) Expired ES398758A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES398758A ES398758A3 (en) 1972-01-11 1972-01-11 A method of tunel coating. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES398758A ES398758A3 (en) 1972-01-11 1972-01-11 A method of tunel coating. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES398758A3 true ES398758A3 (en) 1975-05-16

Family

ID=8460012

Family Applications (1)

Application Number Title Priority Date Filing Date
ES398758A Expired ES398758A3 (en) 1972-01-11 1972-01-11 A method of tunel coating. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES398758A3 (en)

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