公开(公告)号：US3553079A

公开(公告)日：1971-01-05

申请号：US3553079D

申请日：1967-12-07

申请人： AMERICAN CAN CO

发明人： HORNBOSTEL LLOYD JR

IPC分类号： A01G9/06 ,  A01G9/10 ,  D21J5/00 ,  D21J7/00

CPC分类号： A01G9/1006 ,  D21J5/00

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.