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DD137267A1 - HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF - Google Patents

HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF

Info

Publication number
DD137267A1
DD137267A1 DD20633578A DD20633578A DD137267A1 DD 137267 A1 DD137267 A1 DD 137267A1 DD 20633578 A DD20633578 A DD 20633578A DD 20633578 A DD20633578 A DD 20633578A DD 137267 A1 DD137267 A1 DD 137267A1
Authority
DD
German Democratic Republic
Prior art keywords
production
hole
plastic material
plastic
Prior art date
Application number
DD20633578A
Other languages
German (de)
Other versions
DD137267B1 (en
Inventor
Werner Harms
Helmut Kauder
Erich Lundershausen
Fritz Schlender
Dieter Schramm
Original Assignee
Werner Harms
Helmut Kauder
Erich Lundershausen
Fritz Schlender
Dieter Schramm
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Werner Harms, Helmut Kauder, Erich Lundershausen, Fritz Schlender, Dieter Schramm filed Critical Werner Harms
Priority to DD20633578A priority Critical patent/DD137267B1/en
Priority to DE19792920449 priority patent/DE2920449A1/en
Priority to NL7904252A priority patent/NL7904252A/en
Priority to HULU000238 priority patent/HU184650B/en
Priority to DK260879A priority patent/DK260879A/en
Priority to SE7905641A priority patent/SE7905641L/en
Publication of DD137267A1 publication Critical patent/DD137267A1/en
Publication of DD137267B1 publication Critical patent/DD137267B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DD20633578A 1978-06-28 1978-06-28 HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF DD137267B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DD20633578A DD137267B1 (en) 1978-06-28 1978-06-28 HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF
DE19792920449 DE2920449A1 (en) 1978-06-28 1979-05-21 Centrifugally moulded polyurethane foam blower paddles - are progressively denser from tip to base, with steel bush fitted in the latter
NL7904252A NL7904252A (en) 1978-06-28 1979-05-30 RUNNING SHOVES OF PLASTIC MATERIAL AND METHOD OF MANUFACTURING THE SAME
HULU000238 HU184650B (en) 1978-06-28 1979-06-19 Plastic running blade and method for producing same
DK260879A DK260879A (en) 1978-06-28 1979-06-21 RUNNING SHEETS OF PLASTIC MATERIAL AND PROCEDURE FOR THEIR MANUFACTURE
SE7905641A SE7905641L (en) 1978-06-28 1979-06-27 PLASTIC WHEEL WHEEL BLOWER, AND KIT FOR MANUFACTURE OF THE SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20633578A DD137267B1 (en) 1978-06-28 1978-06-28 HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF

Publications (2)

Publication Number Publication Date
DD137267A1 true DD137267A1 (en) 1979-08-22
DD137267B1 DD137267B1 (en) 1980-06-25

Family

ID=5513323

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20633578A DD137267B1 (en) 1978-06-28 1978-06-28 HOLE OF PLASTIC MATERIAL AND METHOD FOR THE PRODUCTION THEREOF

Country Status (6)

Country Link
DD (1) DD137267B1 (en)
DE (1) DE2920449A1 (en)
DK (1) DK260879A (en)
HU (1) HU184650B (en)
NL (1) NL7904252A (en)
SE (1) SE7905641L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449214B1 (en) * 1979-02-19 1986-06-20 Neu Sa IMPROVEMENT WITH HELICOID FANS

Also Published As

Publication number Publication date
DE2920449A1 (en) 1980-01-10
HU184650B (en) 1984-09-28
SE7905641L (en) 1979-12-29
DD137267B1 (en) 1980-06-25
NL7904252A (en) 1980-01-03
DK260879A (en) 1979-12-29

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee