Machine for the manufacture of reenforced concrete pillars, high pressure tubes, and the like

Invention Grant

US1868398A Machine for the manufacture of reenforced concrete pillars, high pressure tubes, and the like 失效

Title translation: 用于制造混凝土柱，高压管等的机器

Patent Title: Machine for the manufacture of reenforced concrete pillars, high pressure tubes, and the like
Patent Title (中): 用于制造混凝土柱，高压管等的机器
Application No.: US46814130

Application Date: 1930-07-15
Publication No.: US1868398A

Publication Date: 1932-07-19
Inventor: JAROSLAV SKORKOVSKY
Applicant: JOHN FILLANS BARR
Assignee: John Fillans Barr
Current Assignee: John Fillans Barr
Priority: CS1868398X 1929-10-09
Main IPC: B28B21/12
IPC: B28B21/12

Information query

Espacenet

IPC分类:

B	作业；运输
B28	加工水泥、黏土或石料
B28B	黏土或其他陶瓷成分的成型；熔渣的成型；含有水泥材料的混合物的成型，例如灰浆（铸模入B22C；石头或类似石料的加工入B28D；一般在塑性状态中材料的成型入B29C；制造并非完全由这些材料组成的层状制品入B32B；现场成型见E部有关的类）
B28B21/00	专门适用于制造管状制品的方法或机械
B28B21/02	.通过浇注入模内的
B28B21/10	..使用压实装置的
B28B21/12	...捣实或夯实材料或型模元件的