Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
B08B9/027—Cleaning the internal surfaces; Removal of blockages
B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Cleaning In General
(AREA)
Paper
(AREA)
Description
Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
Claims (1)
Patent-Anspruch:Patent claim:An Rohrkratzern: die Anordnung zweier oder mehrerer auswechselbarer, in der Längsrichtung
keilförmiger Messer c, deren Schneiden parallel zur Rohrachse sind, und welche
durch Anziehen eines Kegels f nach aufsen gedrängt werden.At pipe scrapers: the arrangement of two or more exchangeable knives c, wedge-shaped in the longitudinal direction, the cutting edges of which are parallel to the pipe axis, and which are pushed outwards by tightening a cone f.
DENDAT55067D
Knife arrangement on raw scrapers
Expired - LifetimeDE55067C
(en)
Cut=off knife for stacks of paper, plastics, metal sheets, etc. - has blade of parallelogram section provided with two cutting edges that can be transposed by turning blade over