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:
Oct. 06, 1981
Filed:
Sep. 11, 1979
Applicant:
Inventors:
Katsushi Tanaka, Takarazuka, JP;
Taro Okamoto, Miki, JP;
Assignee:
Kyokuto Kaihatsu Kogyo Co., Ltd., Nishinomiya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28C / ;
U.S. Cl.
CPC ...
366 11 ; 239304 ;
Abstract
The present invention relates to a spraying unit for unhardened concrete and the like, which is provided with an apparatus capable of mixing a constant quantity of quick-set additive, for example, into unhardened concrete to be sprayed. The apparatus capable of mixing the constant quantity of quick-set additive into unhardened concrete and the like is adapted to usually carry and supply the constant volumetric weight and quantity of quick-set additive outside a quick-set additive container regardless of the amount of the quick-set additive stored inside the container.