Tag Archives: hardening

Time hardening improved single-component polyurethane foamed material

Application Number: 00117886Application Date: 2000.06.05Publication Number: 1290715Publication Date: 2001.04.11Priority Information: 1999/6/9 DE 19926312.4International: C08G18/00;C08G18/06Applicant(s) Name: Hilti AGAddress: Inventor(s) Name: H. Franz;H. Silwia;V. PeterPatent Agency Code: 11038Patent Agent: wu yihuaAbstract The invention relates to a one-component polyurethane foam composition, which contains at least one prepolymer (isocyanate prepolymer), which has isocyanate groups, at least one blowing agent… Read More »

Age hardening tool steel alloy powder

Application Number: 00124470Application Date: 2000.09.08Publication Number: 1288977Publication Date: 2001.03.28Priority Information: International: C23C4/08;C23C30/00Applicant(s) Name: Beijing Dolytechnic Univ.Address: Inventor(s) Name: Wei Qi;Chen Jingrong;Ma JiePatent Agency Code: 11203Patent Agent: zhang yanhuiAbstract The ageing hardened tool steel alloy powder preparation is characterized by its chemical composition formed from (wt%) Co 5-25%, Ni 1-14%, Mo 0-16%, W 0-20%, Fe-Mo 0-26%,… Read More »

Fast hardening road plate

Application Number: 00107958Application Date: 2000.06.01Publication Number: 1269441Publication Date: 2000.10.11Priority Information: International: E01C19/50Applicant(s) Name: Xu NaihongAddress: Inventor(s) Name: Xu NaihongPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a road slab for construction site and temporary road surface, which is characterized by that said road slab can be quickly hardened, can be cyclically used… Read More »

Quickly hardening industrial briquette

Application Number: 00106381Application Date: 2000.06.12Publication Number: 1328118Publication Date: 2001.12.26Priority Information: International: C10L5/04Applicant(s) Name: Zhou JiugengAddress: Inventor(s) Name: Zhou Jiugeng;Zhou QingPatent Agency Code: 36107Patent Agent: li liAbstract A quickly hardening industrial briquette is prepared from coal powder (87-93 %) and low-basicity quick-hardening thioaluminate cement (7-13%) through mixing, adding water, stirring and diepressing. Its advantages are high… Read More »