AU488006B2 - Process forthe preparation of polyurethanes - Google Patents

Process forthe preparation of polyurethanes

Info

Publication number
AU488006B2
AU488006B2 AU82287/75A AU7938975A AU488006B2 AU 488006 B2 AU488006 B2 AU 488006B2 AU 82287/75 A AU82287/75 A AU 82287/75A AU 7938975 A AU7938975 A AU 7938975A AU 488006 B2 AU488006 B2 AU 488006B2
Authority
AU
Australia
Prior art keywords
polyurethanes
process forthe
forthe preparation
preparation
forthe
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
AU82287/75A
Other languages
English (en)
Other versions
AU7938975A (en
AU488005B2 (en
Inventor
JOHANNES ADRIANUS MARIA DEN OTTER ANNE TE NIENHUIS and ALBERT ARNOLD VAN GREVEN MARINUS
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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
Priority to US05/558,688 priority Critical patent/US4006783A/en
Priority to DE19752512690 priority patent/DE2512690A1/de
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Priority claimed from AU79389/75A external-priority patent/AU488005B2/en
Priority to GB11915/75A priority patent/GB1496562A/en
Priority to AU79389/75A priority patent/AU488005B2/en
Priority to CH382575A priority patent/CH597500A5/de
Priority to AT237575A priority patent/AT340345B/de
Priority to FR7510869A priority patent/FR2307121A1/fr
Publication of AU7938975A publication Critical patent/AU7938975A/en
Publication of AU488006B2 publication Critical patent/AU488006B2/en
Publication of AU488005B2 publication Critical patent/AU488005B2/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Automation & Control Theory (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AU79389/75A 1975-03-17 1975-03-21 A hydraulic operated rock drilling apparatus Expired AU488005B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US05/558,688 US4006783A (en) 1975-03-17 1975-03-17 Hydraulic operated rock drilling apparatus
DE19752512690 DE2512690A1 (de) 1975-03-17 1975-03-20 Hydraulisch betaetigte vorrichtung zum bohren von gestein
GB11915/75A GB1496562A (en) 1975-03-17 1975-03-21 Rock drilling apparatus
AU79389/75A AU488005B2 (en) 1975-03-21 A hydraulic operated rock drilling apparatus
CH382575A CH597500A5 (en) 1975-03-17 1975-03-25 Rotary percussive rock drill
AT237575A AT340345B (de) 1975-03-17 1975-03-27 Hydraulische schlagbohreinrichtung fur gestein, beton od.dgl.
FR7510869A FR2307121A1 (fr) 1975-03-17 1975-04-08 Perforateur a roche actionne hydrauliquement

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
NLNL7408244 1974-06-20
US05/558,688 US4006783A (en) 1975-03-17 1975-03-17 Hydraulic operated rock drilling apparatus
DE19752512690 DE2512690A1 (de) 1975-03-17 1975-03-20 Hydraulisch betaetigte vorrichtung zum bohren von gestein
GB11915/75A GB1496562A (en) 1975-03-17 1975-03-21 Rock drilling apparatus
AU79389/75A AU488005B2 (en) 1975-03-21 A hydraulic operated rock drilling apparatus
CH382575A CH597500A5 (en) 1975-03-17 1975-03-25 Rotary percussive rock drill
AT237575A AT340345B (de) 1975-03-17 1975-03-27 Hydraulische schlagbohreinrichtung fur gestein, beton od.dgl.
FR7510869A FR2307121A1 (fr) 1975-03-17 1975-04-08 Perforateur a roche actionne hydrauliquement
NLNL7506981 1975-06-12

Publications (3)

Publication Number Publication Date
AU7938975A AU7938975A (en) 1976-09-23
AU488006B2 true AU488006B2 (en) 1976-09-23
AU488005B2 AU488005B2 (en) 1976-09-23

Family

ID=

Also Published As

Publication number Publication date
GB1496562A (en) 1977-12-30
AU7938975A (en) 1976-09-23
DE2512690A1 (de) 1976-09-30
CH597500A5 (en) 1978-04-14
AT340345B (de) 1977-12-12
US4006783A (en) 1977-02-08
FR2307121A1 (fr) 1976-11-05
FR2307121B1 (OSRAM) 1982-07-30
ATA237575A (de) 1977-04-15

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