Tag Archives: Prestressed

Hole drilling technology for cohesionless prestressed concrete roof board

Application Number  00129321 Application Date  2000.11.17 Publication Number  1290798 Publication Date  2001.04.11 Priority Information     International Classification  E04G23/02   Applicant(s) Name  Hu Wei   Address     Inventor(s) Name  Hu Wei;Hong Xiang;Wang Fushuang   Patent Agency Code  37100 Patent Agent  wu wei AbstractThe hole drilling includes the process of digging concrete floor board in… Read More »

Technology for installing great-diameter prestressed reinforced concrete pipe

Application Number: 00111166Application Date: 2000.06.29Publication Number: 1331395Publication Date: 2002.01.16Priority Information: International: F16L1/036Applicant(s) Name: Taian-City Running Water CoAddress: Inventor(s) Name: Liu XuxuPatent Agency Code: 37207Patent Agent: xiao huiAbstract A technology for installing the large-diameter prestressed and reinforced concrete pipe features only use of guide cable (chain), steel cable rings and hoister. Its advantages include simple apparatus,… Read More »

Extrusion formation equipment for prestressed concrete hollow board

Application Number: 00113096Application Date: 2000.07.06Publication Number: 1333115Publication Date: 2002.01.30Priority Information: International: B28B1/44;B28B3/26Applicant(s) Name: Changzheng Machinery Factory, China Astronautics Science and Technology Group CoAddress: Inventor(s) Name: Wang Xiazeng;Peng Hong;Zhao HouyanPatent Agency Code: 51211Patent Agent: liu shiquanAbstract The extrusion equipment for high-effective large-scale production of large floor slab and wall slab is composed of the components of… Read More »

In-situ deposited prestressed hollow reinforced concrete roof and its construction process

Application Number: 00113548Application Date: 2000.07.18Publication Number: 1278574Publication Date: 2001.01.03Priority Information: International: E04B5/16;E04B5/17;E04B5/32Applicant(s) Name: Qiu ZeyouAddress: Inventor(s) Name: Qiu ZeyouPatent Agency Code: 43008Patent Agent: zhao hongAbstract The hollow floor slab is characterized by that the interior of the floor slab contains prestressed reinforcement, and the interior of reinforced concrete contains disposable internal mould hole-forming cavity, and… Read More »

In-situ deposited prestressed hollow reinforced concrete roof and its construction process

Application Number: 00113550Application Date: 2000.07.18Publication Number: 1278576Publication Date: 2001.01.03Priority Information: International: E04B5/32;E04B5/16Applicant(s) Name: Qiu ZeyouAddress: Inventor(s) Name: Qiu ZeyouPatent Agency Code: 43008Patent Agent: zhao hongAbstract The present invention relates to cast-in-situ prestressed reinforced concrete hollow floor slab and its construction method. It is characterized by that its interior contains core-drawing hole-forming cavity and prestressed reinforcement,… Read More »

Prestressed shell-and-tube heat exchanger and its manufacture method

Application Number: 00114032Application Date: 2000.01.21Publication Number: 1262423Publication Date: 2000.08.09Priority Information: International: F28D7/16Applicant(s) Name: Huanan Science and Engineering Univ.Address: Inventor(s) Name: Guo ChongzhiPatent Agency Code: 44201Patent Agent: zhang peixiangAbstract A prestressed shell-and-tube heat exchanger is composed of shell, tubular plate, heat exchanging tubes, baffle plate and pull rod. After one or both of tubular plate and… Read More »

Centrifugal sleeper of high-strength prestressed concrete and its centrifugal shaping process

Application Number: 00115405Application Date: 2000.04.18Publication Number: 1318669Publication Date: 2001.10.24Priority Information: International: B28B1/20;E01B3/28Applicant(s) Name: Shi MinAddress: Inventor(s) Name: Shi MinPatent Agency Code: 00000Patent Agent: Abstract A supperhigh strength prestressed concrete centrifugal sleeper belongs to rail way construction material and is manufactured with the existing ripe technique for tubular pile and centrifugal shaping machine to carry out… Read More »

Prestressed large-span solid portal steel frame and its construction process

Application Number: 00121412Application Date: 2000.07.20Publication Number: 1335439Publication Date: 2002.02.13Priority Information: International: E04B1/24Applicant(s) Name: Hu ZhaoboAddress: Inventor(s) Name: Hu ZhaoboPatent Agency Code: 11223Patent Agent: wang mengxiaAbstract The prestressed large-span solid portal steel frame consists of H-shaped steel beam and steel columns, and the steel beam consists of members with flange, high strength connecting screw bolts, prestressed… Read More »

Making method of prestressed non-woven fabric

Application Number: 00108028Application Date: 2000.06.13Publication Number: 1274779Publication Date: 2000.11.29Priority Information: International: B32B33/00;D04H3/08Applicant(s) Name: Zhang XijunAddress: Inventor(s) Name: Zhang Xijun;Zhang Zhiyu;Zhang ZhiyaPatent Agency Code: 00000Patent Agent: Abstract Technologically, the present invention features that various filaments or yarns are first stretched longitudinally and combined with other base material; the combined base material is then 90 deg turned… Read More »

Assembled and integral prestressed inorganic composite straw board and its making process

Application Number: 00107563Application Date: 2000.05.19Publication Number: 1324714Publication Date: 2001.12.05Priority Information: International: B27D5/00Applicant(s) Name: Zhu DabaoAddress: Inventor(s) Name: Zhang YuannianPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a splicing integral prestressed inorganic composite plant straw plate and its production method. Said product possesses good integral performance, does not deform, does not crack, guick construction… Read More »

Prestressed anchor beam for reinforcing side rock slope

Application Number: 00105725Application Date: 2000.04.05Publication Number: 1278573Publication Date: 2001.01.03Priority Information: International: E02D17/20Applicant(s) Name: Inst. of Geology, Chinese Academy of SciencesAddress: Inventor(s) Name: Yang Zhifa;Zhu Jiewang;Li XiaoPatent Agency Code: 11127Patent Agent: jiang xurongAbstract The prestressed anchor beam includes horizontal long-strip hole, spray layer, bearing main ribs and ring-like stirrups, and reinforced concrete hollow pipe placed in… Read More »

Prestressed concrete culvert pipe with great cross-section and its making method

Application Number: 00102732Application Date: 2000.02.22Publication Number: 1271643Publication Date: 2000.11.01Priority Information: International: B28B23/08Applicant(s) Name: Feng DabinAddress: Inventor(s) Name: Feng Dabin;Wang Zhile;Chen ZhongPatent Agency Code: 11100Patent Agent: xu ningAbstract A prestressed concrete culvert pipe with great cross-section is composed of the culvert pipe body formed with skeleton made of reinforcing bars and concrete, and features that the… Read More »