DK397879A - Apparat til bortsugning af overskudsvand fra nylagt beton - Google Patents

Apparat til bortsugning af overskudsvand fra nylagt beton

Info

Publication number
DK397879A
DK397879A DK397879A DK397879A DK397879A DK 397879 A DK397879 A DK 397879A DK 397879 A DK397879 A DK 397879A DK 397879 A DK397879 A DK 397879A DK 397879 A DK397879 A DK 397879A
Authority
DK
Denmark
Prior art keywords
recovery
application
fresh concrete
excessive water
excessive
Prior art date
Application number
DK397879A
Other languages
Danish (da)
English (en)
Inventor
H S Wenander
Original Assignee
Tremix Ab
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 Tremix Ab filed Critical Tremix Ab
Publication of DK397879A publication Critical patent/DK397879A/da

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
    • E04G21/061—Solidifying concrete, e.g. by application of vacuum before hardening by applying vacuum or vacuum combined with vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Drying Of Solid Materials (AREA)
DK397879A 1978-09-25 1979-09-24 Apparat til bortsugning af overskudsvand fra nylagt beton DK397879A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7810040A SE413791B (sv) 1978-09-25 1978-09-25 Vakuumbehandlingsaggregat

Publications (1)

Publication Number Publication Date
DK397879A true DK397879A (da) 1980-03-26

Family

ID=20335909

Family Applications (1)

Application Number Title Priority Date Filing Date
DK397879A DK397879A (da) 1978-09-25 1979-09-24 Apparat til bortsugning af overskudsvand fra nylagt beton

Country Status (6)

Country Link
US (1) US4266581A (sv)
DE (1) DE2938333A1 (sv)
DK (1) DK397879A (sv)
FI (1) FI792967A (sv)
GB (1) GB2032522A (sv)
SE (1) SE413791B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246650A (en) * 1991-06-03 1993-09-21 Clark Richard C Method of applying aggregate surface finish
US5827941A (en) * 1994-12-12 1998-10-27 Pulmonary Data Service Instrumentation, Inc. Flow-controlled calibration syringe
KR0129467B1 (ko) * 1995-12-13 1998-04-08 배순훈 삼방 밸브 기능을 가지는 펌프
US6080243A (en) * 1998-06-18 2000-06-27 3M Innovative Properties Company Fluid guide device having an open structure surface for attachement to a fluid transport source
GB0815713D0 (en) * 2008-08-29 2008-10-08 Interpet Ltd Water pumping apparatus
CN107013047B (zh) * 2017-03-22 2020-03-20 中交武汉港湾工程设计研究院有限公司 一种梯度式混凝土水管控制***及控制方法
CN112647714A (zh) * 2020-12-22 2021-04-13 谢红亚 一种混凝土用混凝土压实机
CN114593060B (zh) * 2022-03-25 2022-10-14 淄博水环真空泵厂有限公司 一种水环真空泵适应工况的气量调节方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945145A (en) * 1932-04-04 1934-01-30 Viber Company Ltd Method of and apparatus for compacting and dewatering cementitious mixtures
US2244297A (en) * 1936-11-09 1941-06-03 John N Heltzel Vacuum screed
US2226466A (en) * 1937-11-19 1940-12-24 Heltzel Joseph William Concrete deaerating and dehydrating machine

Also Published As

Publication number Publication date
FI792967A (fi) 1980-03-26
SE7810040L (sv) 1980-03-26
DE2938333A1 (de) 1980-04-10
US4266581A (en) 1981-05-12
GB2032522A (en) 1980-05-08
SE413791B (sv) 1980-06-23

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