Scraper blade and scraper for scraping off materials from a substrate

Abstract

A scraper blade ( 10 ) made of a flat metallic material for a scraper ( 11 ) for scraping materials off a substrate has a scraping section ( 13 ) which has at least one scraping surface ( 12 ) on the front end for scraping off materials and with a fastening section ( 14 ) for fastening to a fastening part ( 15 ) of the scraper ( 11 ) on the back end. Furthermore, the scraper blade has at least one guide section ( 18, 20 ) for diverting the scraped-off material over at least one front end face ( 19, 21 ) of the fastening part ( 15 ), and the guide section ( 18, 20 ) can be obtained by forming of the flat metallic material.

1 - 16 . (canceled) 
     
     
         17 . Scraper blade of a flat metallic material for a scraper for scraping materials off a substrate, comprising:
 a scraping section which has at least one scraping surface on a front end portion of the blade for scraping off materials and   a fastening section for fastening to a fastening part of the scraper on a back end portion,   wherein at least one guide section for diverting scraped-off material over at least a front end of the fastening section is provided, and   wherein the at least one guide section is a portion of the flat metallic material of the blade located between the front end of the fastening section and the scraping section which has been deformed out of the plane of the front end portion of the blade in at least one direction.   
     
     
         18 . Scraper blade as claimed in  claim 17 , wherein the flat metallic material has the same thickness in the regions of the scraping section, the fastening section and the guide section. 
     
     
         19 . Scraper blade as claimed in  claim 17 , wherein the guide section passes without interruption into the fastening section. 
     
     
         20 . Scraper blade as claimed in  claim 17 , wherein the fastening section has a planar clamping region and at least one holding region which is angled relative to the clamping region and which passes into the guide section. 
     
     
         21 . Scraper blade as claimed in  claim 20 , wherein the holding region is angled at least one of up and down by roughly 30° to 90° relative to the clamping region. 
     
     
         22 . Scraper blade as claimed in  claim 20 , wherein the scraping section is a planar, flat region and wherein the scraping section and the clamping region of the fastening section are located in a common plane. 
     
     
         23 . Scraper blade as claimed in  claim 20 , wherein the guide section has at least one of an ascending and a descending slope of less than 30°. 
     
     
         24 . Scraper blade as claimed in  claim 23 , wherein the holding region of the fastening section and the guide section have the same slope. 
     
     
         25 . Scraper blade as claimed in  claim 17 , wherein a distance between at least one of a highest point and a low point of the guide surface and at least one of a central longitudinal axis of the scraping section and a central longitudinal axis of the clamping region of the fastening section is less than 10 mm. 
     
     
         26 . Scraper blade as claimed in  claim 17 , wherein the scraping surface and the guide surface are aligned. 
     
     
         27 . Scraper blade as claimed in  claim 17 , wherein the guide section has a transition region to the fastening section, the transition region having a rounded diverting edge. 
     
     
         28 . Scraper blade as claimed in  claim 17 , wherein the at least one guide section comprises a plurality of guide sections, the guide sections being located in regions spaced transversely across the scraper blade relative to a scraping direction. 
     
     
         29 . Scraper blade as claimed in  claim 28 , wherein the plurality of guide sections comprise series of guides sections that extend alternately in opposite directions out of the plane of the front end portion of the blade 
     
     
         30 . Scraper blade as claimed in  claim 29 , wherein the guide sections are formed by bent-up, punched out regions of the blade. 
     
     
         31 . Scraper blade as claimed in  claim 28 , wherein the guide sections are formed by bent-up, punched out regions of the blade. 
     
     
         32 . Scraper blade as claimed in  claim 17 , wherein the front end of the scraping section is beveled on at least one of the bottom and the top of the blade. 
     
     
         33 . Hand scraper or stripper for scraping materials off a substrate, comprising
 a fastening part for fastening a scraper blade and   a scraper blade having:   a scraping section which has at least one scraping surface on a front end portion of the blade for scraping off materials and   a fastening section for fastening to a fastening part of the scraper on a back end portion,   wherein at least one guide section for diverting scraped-off material over at least a front end of the fastening section is provided, and   wherein the at least one guide section is a portion of the flat metallic material of the blade located between the front end of the fastening section and the scraping section which has been deformed out of the plane of the front end portion of the blade in at least one direction.   
     
     
         34 . Hand scraper or stripper as claimed in  claim 33 , wherein the fastening part has an upper fastening piece and a lower fastening piece, and a recess for holding a fastening section of the scraper blade between the upper fastening piece and the lower fastening piece, the recess having an exit opening for the scraper blade, wherein the exit opening is provided on one of the upper side and lower side of the fastening part. 
     
     
         35 . Hand scraper or stripper as claimed in  claim 34 , wherein the recess has a first, planar recess region for the clamping region of the fastening section and a second recess region connected to the first recess region for an angled holding region of the fastening section, the second recess region being angled relative to the first recess region and the second recess region ending in the exit opening. 
     
     
         36 . Hand scraper or stripper according to  claim 33 , wherein the at least one guide section comprises a plurality of guide sections, the guide sections being located in regions spaced transversely across the scraper blade relative to a scraping direction. 
     
     
         37 . Hand scraper or stripper as claimed in  claim 36 , wherein the plurality of guide sections comprise series of guides sections that extend alternately in opposite directions out of the plane of the front end portion of the blade 
     
     
         38 . Hand scraper or stripper as claimed in  claim 37 , wherein the guide sections are formed by bent-up, punched out regions of the blade. 
     
     
         39 . Hand scraper or stripper as claimed in  claim 36 , wherein the guide sections are formed by bent-up, punched out regions of the blade.