FR682213A - Improvements to the valve boxes of portable pre-pressure sprayers for crop treatment - Google Patents

Improvements to the valve boxes of portable pre-pressure sprayers for crop treatment

Info

Publication number
FR682213A
FR682213A FR682213DA FR682213A FR 682213 A FR682213 A FR 682213A FR 682213D A FR682213D A FR 682213DA FR 682213 A FR682213 A FR 682213A
Authority
FR
France
Prior art keywords
crop treatment
valve boxes
pressure sprayers
portable pre
portable
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
Other languages
French (fr)
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.)
P PERRAS ETS
Original Assignee
P PERRAS ETS
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 P PERRAS ETS filed Critical P PERRAS ETS
Application granted granted Critical
Publication of FR682213A publication Critical patent/FR682213A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR682213D 1929-09-24 1929-09-24 Improvements to the valve boxes of portable pre-pressure sprayers for crop treatment Expired FR682213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR682213T 1929-09-24

Publications (1)

Publication Number Publication Date
FR682213A true FR682213A (en) 1930-05-24

Family

ID=9023204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682213D Expired FR682213A (en) 1929-09-24 1929-09-24 Improvements to the valve boxes of portable pre-pressure sprayers for crop treatment

Country Status (1)

Country Link
FR (1) FR682213A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998982A1 (en) * 1998-11-02 2000-05-10 Yamaho Industrial Co. Ltd. Knapsack type sprayer comprising liquid pump and having floating air valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998982A1 (en) * 1998-11-02 2000-05-10 Yamaho Industrial Co. Ltd. Knapsack type sprayer comprising liquid pump and having floating air valve
US6155498A (en) * 1998-11-02 2000-12-05 Yamaho Industrial Co., Ltd. Sprayer

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