The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 1979
Filed:
Mar. 28, 1977
Applicant:
Inventors:
Claus Hentschel, Cologne, DE;
Wulf VON Bonin, Leverkusen, DE;
Joachim Gehring, Leverkusen, DE;
Dietrich Hardt, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 51 ; 264 53 ; 264 54 ; 47 44 ; 4253 / ; 428 18 ;
Abstract
The rot-resistant plant support which is aesthetically pleasing and can be inexpensively produced consists of a rod section and a plastics material which can be colored. The interior of the rod is finely porous while the surface zone has bark-like protuberances. The plant supports are manufactured by extrusion at processing temperatures in the tool adjusted to between 5 and 30.degree. C. above the temperatures conventionally employed for extruding foams with a smooth surface from the same thermoplasts.