ZA733375B - Improvements in or relating to concrete pipes - Google Patents
Improvements in or relating to concrete pipesInfo
- Publication number
- ZA733375B ZA733375B ZA00733375A ZA733375A ZA733375B ZA 733375 B ZA733375 B ZA 733375B ZA 00733375 A ZA00733375 A ZA 00733375A ZA 733375 A ZA733375 A ZA 733375A ZA 733375 B ZA733375 B ZA 733375B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- concrete pipes
- pipes
- concrete
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
- B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49863—Assembling or joining with prestressing of part
- Y10T29/49874—Prestressing rod, filament or strand
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2360072A GB1389738A (en) | 1972-05-19 | 1972-05-19 | Concrete pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA733375B true ZA733375B (en) | 1975-01-29 |
Family
ID=10198288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00733375A ZA733375B (en) | 1972-05-19 | 1973-05-18 | Improvements in or relating to concrete pipes |
Country Status (7)
Country | Link |
---|---|
US (1) | US3928104A (de) |
JP (1) | JPS4948716A (de) |
DE (1) | DE2325295A1 (de) |
FR (1) | FR2185954A5 (de) |
GB (1) | GB1389738A (de) |
NL (1) | NL7306977A (de) |
ZA (1) | ZA733375B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5313460B2 (de) * | 1975-02-10 | 1978-05-10 | ||
JPS51136285U (de) * | 1975-04-24 | 1976-11-04 | ||
GB2155389B (en) * | 1984-03-12 | 1987-04-23 | Stanton & Staveley Ltd | Producing concrete sewerage liners |
IT1179497B (it) * | 1984-11-27 | 1987-09-16 | Vianini Spa | Tubo in cemento armato ordinario ad armatura diffusa e metodo per la sua fabbricazione |
US5024557A (en) * | 1987-09-22 | 1991-06-18 | Iorns Martin E | Method and apparatus for constructing an offshore hollow column |
JPH0686251B2 (ja) * | 1990-04-19 | 1994-11-02 | 新日本製鐵株式会社 | ビレット切出装置 |
JPH0569927A (ja) * | 1991-09-06 | 1993-03-23 | Asahi Tec Corp | 鋳型搬送装置 |
CA2191748A1 (en) * | 1994-06-07 | 1995-12-14 | Mark W. Schumacher | Interlocked plastic-encased concrete pipe |
DE102011107804A1 (de) * | 2011-07-17 | 2013-01-17 | Philipp Wagner | Bauprinzip für Turmkonstruktion für Windenergieanlagen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2696353A (en) * | 1951-09-13 | 1954-12-07 | Steam Cote Corp | Method of applying concrete |
US3489626A (en) * | 1957-12-11 | 1970-01-13 | Chemstress Ind Inc | Method of making a prestressed,reinforced,resin-crete concrete pipe |
US3243949A (en) * | 1961-07-10 | 1966-04-05 | Fmc Corp | Method of treating glass roving |
US3520749A (en) * | 1967-01-31 | 1970-07-14 | Chem Stress Ind Inc | Method of making filament wound reinforced concrete pipe |
US3630237A (en) * | 1967-11-13 | 1971-12-28 | Concrete Dev Corp | Polyester concrete pipe |
US3506752A (en) * | 1967-11-13 | 1970-04-14 | Concrete Dev Corp | Method of making reinforced polyester pipe |
SE363391B (de) * | 1969-06-04 | 1974-01-14 | Kubota Iron & Machinery Works | |
GB1305629A (de) * | 1970-09-15 | 1973-02-07 | ||
US3740291A (en) * | 1971-01-20 | 1973-06-19 | J Mallard | Method and apparatus for applying a coating to a tubular member |
US3761557A (en) * | 1971-05-06 | 1973-09-25 | A Werner | A method of reinforcing pipe coatings |
-
1972
- 1972-05-19 GB GB2360072A patent/GB1389738A/en not_active Expired
-
1973
- 1973-05-18 JP JP48055471A patent/JPS4948716A/ja active Pending
- 1973-05-18 ZA ZA00733375A patent/ZA733375B/xx unknown
- 1973-05-18 NL NL7306977A patent/NL7306977A/xx unknown
- 1973-05-18 DE DE2325295A patent/DE2325295A1/de active Pending
- 1973-05-18 FR FR7318246A patent/FR2185954A5/fr not_active Expired
- 1973-05-18 US US361686A patent/US3928104A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2325295A1 (de) | 1973-12-13 |
FR2185954A5 (de) | 1974-01-04 |
GB1389738A (en) | 1975-04-09 |
NL7306977A (de) | 1973-11-21 |
JPS4948716A (de) | 1974-05-11 |
US3928104A (en) | 1975-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA731896B (en) | Improvements in or relating to ozonisers | |
ZA733315B (en) | Improvements in or relating to connection elements | |
ZA735452B (en) | Improvemnts in or relating to steroid compounds | |
ZA734073B (en) | Improvements in concrete pipes | |
ZA724540B (en) | Improvements in or relating to gutter couplings | |
ZA722898B (en) | Improvements in or relating to pipes | |
ZA733375B (en) | Improvements in or relating to concrete pipes | |
HK14679A (en) | Improvements in or relating to anchors | |
IL41377A0 (en) | Improvements in or relating to end devices for the edges of formwork members or the like | |
KE2678A (en) | Improvements in or relating to pipes | |
IE38343B1 (en) | Improvements in or relating to fences | |
ZM1673A1 (en) | Improvements in or relating to building structures | |
ZA728638B (en) | Improvements relating to building | |
MY7800059A (en) | Improvements in or relating to building construction | |
ZA732327B (en) | Improvements in and relating to the manufacture of concrete pipes | |
ZA73483B (en) | Improvements in or relating to building methods | |
ZA712556B (en) | Improvements in or relating to pipes | |
HK32579A (en) | Improvements in or relating to building methods | |
IE38077B1 (en) | Improvements in or relating to marine structures | |
ZA72322B (en) | Improvements in or relating to concrete | |
ZA724648B (en) | Improvements in or relating to pipes | |
AU474322B2 (en) | Improvements in or relating to pipe supports | |
ZA722813B (en) | Improvements in or relating to pipe couplings | |
ZA703969B (en) | Improvements in or relating to reinforced concrete pipes | |
ZA728075B (en) | Improvements in or relating to building units |