DD7706A5 - Screw with self-tapping thread - Google Patents

Screw with self-tapping thread

Info

Publication number
DD7706A5
DD7706A5 DD723450A DD723450A DD7706A5 DD 7706 A5 DD7706 A5 DD 7706A5 DD 723450 A DD723450 A DD 723450A DD 723450 A DD723450 A DD 723450A DD 7706 A5 DD7706 A5 DD 7706A5
Authority
DD
German Democratic Republic
Prior art keywords
self
screw
tapping thread
tapping
thread
Prior art date
Application number
DD723450A
Other languages
German (de)
Inventor
Ferdinand Schlotter
Original Assignee
Nsf Gmbh
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 Nsf Gmbh filed Critical Nsf Gmbh
Priority to DD723450A priority Critical patent/DD7706A5/en
Publication of DD7706A5 publication Critical patent/DD7706A5/en

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0052—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge having indentations, notches or the like in order to improve the cutting behaviour
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0073—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw characterised by its pitch, e.g. a varying pitch

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
DD723450A 1950-04-19 1950-04-19 Screw with self-tapping thread DD7706A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD723450A DD7706A5 (en) 1950-04-19 1950-04-19 Screw with self-tapping thread

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD723450A DD7706A5 (en) 1950-04-19 1950-04-19 Screw with self-tapping thread

Publications (1)

Publication Number Publication Date
DD7706A5 true DD7706A5 (en) 1954-08-07

Family

ID=220399

Family Applications (1)

Application Number Title Priority Date Filing Date
DD723450A DD7706A5 (en) 1950-04-19 1950-04-19 Screw with self-tapping thread

Country Status (1)

Country Link
DD (1) DD7706A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012103460A1 (en) * 2012-02-02 2013-08-08 Elena Stark Multiple sealing cap for pipes and tube assemblies and in particular fiber optic cable tube assemblies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012103460A1 (en) * 2012-02-02 2013-08-08 Elena Stark Multiple sealing cap for pipes and tube assemblies and in particular fiber optic cable tube assemblies

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