GB1276963A - Concrete pumping machines and valve assemblies therefor - Google Patents

Concrete pumping machines and valve assemblies therefor

Info

Publication number
GB1276963A
GB1276963A GB5076470A GB5076470A GB1276963A GB 1276963 A GB1276963 A GB 1276963A GB 5076470 A GB5076470 A GB 5076470A GB 5076470 A GB5076470 A GB 5076470A GB 1276963 A GB1276963 A GB 1276963A
Authority
GB
United Kingdom
Prior art keywords
piston
sealing
pump
valve
movements
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
GB5076470A
Other languages
English (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.)
Desa Industries Inc
Original Assignee
Desa Industries Inc
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 Desa Industries Inc filed Critical Desa Industries Inc
Publication of GB1276963A publication Critical patent/GB1276963A/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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0011—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having an oscillating movement
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0084—Component parts or details specially adapted therefor
    • F04B7/0088—Sealing arrangements between the distribution members and the housing
    • F04B7/0092—Sealing arrangements between the distribution members and the housing for oscillating distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
GB5076470A 1969-11-10 1970-10-26 Concrete pumping machines and valve assemblies therefor Expired GB1276963A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87543969A 1969-11-10 1969-11-10
US6674470A 1970-08-25 1970-08-25

Publications (1)

Publication Number Publication Date
GB1276963A true GB1276963A (en) 1972-06-07

Family

ID=26747114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5076470A Expired GB1276963A (en) 1969-11-10 1970-10-26 Concrete pumping machines and valve assemblies therefor

Country Status (5)

Country Link
JP (1) JPS4822485B1 (enrdf_load_stackoverflow)
AU (1) AU2169270A (enrdf_load_stackoverflow)
CA (1) CA931016A (enrdf_load_stackoverflow)
FR (1) FR2069160A5 (enrdf_load_stackoverflow)
GB (1) GB1276963A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704967A (en) * 1969-12-22 1972-12-05 Luigi Tarulli Reciprocating pump for concrete
JPS53141090U (enrdf_load_stackoverflow) * 1977-04-14 1978-11-08

Also Published As

Publication number Publication date
DE2054514B2 (de) 1975-08-28
CA931016A (en) 1973-07-31
DE2054514A1 (de) 1971-05-19
JPS4822485B1 (enrdf_load_stackoverflow) 1973-07-06
AU2169270A (en) 1972-05-04
FR2069160A5 (enrdf_load_stackoverflow) 1971-09-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee