CS157089B2 - - Google Patents
Info
- Publication number
- CS157089B2 CS157089B2 CS266670A CS266670A CS157089B2 CS 157089 B2 CS157089 B2 CS 157089B2 CS 266670 A CS266670 A CS 266670A CS 266670 A CS266670 A CS 266670A CS 157089 B2 CS157089 B2 CS 157089B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- 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
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0553—Cylindrically shaped pigs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/38—Constructional aspects of the propulsion means, e.g. towed by cables driven by fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD13934469 | 1969-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS157089B2 true CS157089B2 (cs) | 1974-08-23 |
Family
ID=5481136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS266670A CS157089B2 (cs) | 1969-04-21 | 1970-04-20 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT310517B (cs) |
| CS (1) | CS157089B2 (cs) |
| DE (1) | DE2015647A1 (cs) |
-
1970
- 1970-04-02 DE DE19702015647 patent/DE2015647A1/de active Pending
- 1970-04-20 CS CS266670A patent/CS157089B2/cs unknown
- 1970-04-27 AT AT383270A patent/AT310517B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2015647A1 (de) | 1971-02-25 |
| AT310517B (de) | 1973-10-10 |