发明授权
- 专利标题： Molding apparatus
-
申请号： US3553079D申请日： 1967-12-07
-
公开(公告)号： US3553079A公开(公告)日： 1971-01-05
- 发明人: HORNBOSTEL LLOYD JR
- 申请人： AMERICAN CAN CO
- 专利权人： American Can Co
- 当前专利权人： American Can Co
- 优先权： US68887367 1967-12-07
- 主分类号： A01G9/06
- IPC分类号： A01G9/06 ; A01G9/10 ; D21J5/00 ; D21J7/00
摘要：
IN AN APPARATUS FOR FORMING MOLDED PULP ARTICLES,A FORMING MOLD HAVING AT LEAST A PARTIAL FORAMINOUS FORMING SURFACE IS ADAPTED TO MOLD AN ARTICLE CONSISTING OF A PLURALITY OF PLANTING UNITS OR BLOCKS SEPARATED AT ONE END AND JOINED TO ONE ANOTHER BY A COMMON WEB OF PULP MATERIAL AT THE OTHER END, SAID MOLDED ARTICLE HAVING A LOW
BULK DENSITY AND POROSITY ADAPTING IT TO BE USED AS A PLANT GROWTH MEDIUM.
BULK DENSITY AND POROSITY ADAPTING IT TO BE USED AS A PLANT GROWTH MEDIUM.