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:
Jan. 31, 1978
Filed:
Dec. 28, 1976
Applicant:
Inventors:
Wolfhart Dittrich, Bad Oeynhausen, DT;
Helmut Heuer, Bad Oeynhausen, DT;
W F Kamm, Bad Oeynhausen, DT;
Thorwald Kipp, Bad Oeynhausen, DT;
Gerhard Luhr, Bad Oeynhausen, DT;
Erich Poggemeier, Bad Oeynhausen, DT;
Assignee:
Eisenwerk Weserhutte AG, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427 12 ; 34 134 ; 2191 / ; 2191 / ; 2191 / ; 2191 / ; 219383 ; 219384 ; 427317 ; 427325 ; 427440 ;
Abstract
This invention relates to a process for introducing holes or straight or circular slots approximately normal to the surface in the vicinity of the surface of round timber and to an approximately predetermined depth for the purpose of facilitating the penetration of impregnating means into the surface zones of the timber to better protect against chemical and biological attacks.