FR2432375A1 - Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane - Google Patents

Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane

Info

Publication number
FR2432375A1
FR2432375A1 FR7824229A FR7824229A FR2432375A1 FR 2432375 A1 FR2432375 A1 FR 2432375A1 FR 7824229 A FR7824229 A FR 7824229A FR 7824229 A FR7824229 A FR 7824229A FR 2432375 A1 FR2432375 A1 FR 2432375A1
Authority
FR
France
Prior art keywords
schist
groove
fissure
cleavage plane
jet
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.)
Granted
Application number
FR7824229A
Other languages
French (fr)
Other versions
FR2432375B1 (en
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.)
ANGERS ARDOISIERES
Original Assignee
ANGERS ARDOISIERES
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 ANGERS ARDOISIERES filed Critical ANGERS ARDOISIERES
Priority to FR7824229A priority Critical patent/FR2432375A1/en
Priority to ES480846A priority patent/ES480846A1/en
Publication of FR2432375A1 publication Critical patent/FR2432375A1/en
Application granted granted Critical
Publication of FR2432375B1 publication Critical patent/FR2432375B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/32—Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist
    • B28D1/322—Splitting of the working materials

Abstract

Of partic. application to the splitting of slat schists or similar with definite planes, the process utilises a high speed fluid jet to propagate a fissure on a definite cleavage plane. Initially a groove is cut on a cleavage plane and then the jet is applied to the groove. The jet is orientated in the required cleavage plane and perpendicular to the groove, the pressure derived from the kinetic energy of the spray then following the front of fissure proparation. The fluid may be water, may be applied in a small dia. circular section jet, or may be applied in a thin jet of dovetail section.
FR7824229A 1978-07-31 1978-07-31 Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane Granted FR2432375A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7824229A FR2432375A1 (en) 1978-07-31 1978-07-31 Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane
ES480846A ES480846A1 (en) 1978-07-31 1979-05-23 Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7824229A FR2432375A1 (en) 1978-07-31 1978-07-31 Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane

Publications (2)

Publication Number Publication Date
FR2432375A1 true FR2432375A1 (en) 1980-02-29
FR2432375B1 FR2432375B1 (en) 1983-03-18

Family

ID=9211953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824229A Granted FR2432375A1 (en) 1978-07-31 1978-07-31 Process for splitting slate schist - uses high speed water jet directed into groove in schist to propagate fissure on cleavage plane

Country Status (2)

Country Link
ES (1) ES480846A1 (en)
FR (1) FR2432375A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527505A1 (en) * 1982-05-26 1983-12-02 Bugeat Jean Splitting of slate on cleavage planes - entails raising pressure on side of block relative to that on normal faces and applying knife to this side
EP0498755A1 (en) * 1991-02-04 1992-08-12 Joaquin Fernandez Sanchez Machine for cleaving slate pieces
FR2790417A1 (en) * 1999-03-05 2000-09-08 Sovemine Ingenierie Method of splitting slate involves fixing block and applying high pressure water jet in set plane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527505A1 (en) * 1982-05-26 1983-12-02 Bugeat Jean Splitting of slate on cleavage planes - entails raising pressure on side of block relative to that on normal faces and applying knife to this side
EP0498755A1 (en) * 1991-02-04 1992-08-12 Joaquin Fernandez Sanchez Machine for cleaving slate pieces
FR2790417A1 (en) * 1999-03-05 2000-09-08 Sovemine Ingenierie Method of splitting slate involves fixing block and applying high pressure water jet in set plane

Also Published As

Publication number Publication date
ES480846A1 (en) 1979-11-16
FR2432375B1 (en) 1983-03-18

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Legal Events

Date Code Title Description
TP Transmission of property