BE354385A - - Google Patents

Info

Publication number
BE354385A
BE354385A BE354385DA BE354385A BE 354385 A BE354385 A BE 354385A BE 354385D A BE354385D A BE 354385DA BE 354385 A BE354385 A BE 354385A
Authority
BE
Belgium
Application number
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.)
Publication of BE354385A publication Critical patent/BE354385A/xx

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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)
BE354385D 1927-09-23 BE354385A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2508527A GB301580A (en) 1927-09-23 1927-09-23 Improvements in and relating to screw heads

Publications (1)

Publication Number Publication Date
BE354385A true BE354385A (enrdf_load_stackoverflow)

Family

ID=10221946

Family Applications (1)

Application Number Title Priority Date Filing Date
BE354385D BE354385A (enrdf_load_stackoverflow) 1927-09-23

Country Status (3)

Country Link
BE (1) BE354385A (enrdf_load_stackoverflow)
FR (1) FR660859A (enrdf_load_stackoverflow)
GB (1) GB301580A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2098693B (en) * 1981-03-30 1984-09-12 Isotech Consultants Inc Screw driving socket and a punch for forming the socket
CN103790916A (zh) * 2014-02-20 2014-05-14 陈文丽 一种螺丝

Also Published As

Publication number Publication date
GB301580A (en) 1928-12-06
FR660859A (fr) 1929-07-18

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