FR509518A - Drague pour métaux précieux - Google Patents

Drague pour métaux précieux

Info

Publication number
FR509518A
FR509518A FR509518A FR509518DA FR509518A FR 509518 A FR509518 A FR 509518A FR 509518 A FR509518 A FR 509518A FR 509518D A FR509518D A FR 509518DA FR 509518 A FR509518 A FR 509518A
Authority
FR
France
Prior art keywords
dredge
precious metal
precious
metal
metal dredge
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
FR509518A
Other languages
English (en)
Inventor
Odilon-Isidore Brun
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.)
ODILON ISIDORE BRUN
Original Assignee
ODILON ISIDORE BRUN
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 ODILON ISIDORE BRUN filed Critical ODILON ISIDORE BRUN
Application granted granted Critical
Publication of FR509518A publication Critical patent/FR509518A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92Digging elements, e.g. suction heads
    • E02F3/9243Passive suction heads with no mechanical cutting means
    • E02F3/925Passive suction heads with no mechanical cutting means with jets
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92Digging elements, e.g. suction heads
    • E02F3/9243Passive suction heads with no mechanical cutting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR509518A 1920-02-06 1920-02-06 Drague pour métaux précieux Expired FR509518A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR509518T 1920-02-06

Publications (1)

Publication Number Publication Date
FR509518A true FR509518A (fr) 1920-11-12

Family

ID=8911062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509518A Expired FR509518A (fr) 1920-02-06 1920-02-06 Drague pour métaux précieux

Country Status (1)

Country Link
FR (1) FR509518A (fr)

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