GB2040769B - Self-tapping screw - Google Patents

Self-tapping screw

Info

Publication number
GB2040769B
GB2040769B GB8000420A GB8000420A GB2040769B GB 2040769 B GB2040769 B GB 2040769B GB 8000420 A GB8000420 A GB 8000420A GB 8000420 A GB8000420 A GB 8000420A GB 2040769 B GB2040769 B GB 2040769B
Authority
GB
United Kingdom
Prior art keywords
self
tapping screw
tapping
screw
Prior art date
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.)
Expired
Application number
GB8000420A
Other versions
GB2040769A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of GB2040769A publication Critical patent/GB2040769A/en
Application granted granted Critical
Publication of GB2040769B publication Critical patent/GB2040769B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
    • G11B23/08707—Details
    • G11B23/08785—Envelopes
    • 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
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0015—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being a soft organic material, e.g. wood or plastic
GB8000420A 1979-01-16 1980-01-07 Self-tapping screw Expired GB2040769B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP371179U JPS55104109U (en) 1979-01-16 1979-01-16

Publications (2)

Publication Number Publication Date
GB2040769A GB2040769A (en) 1980-09-03
GB2040769B true GB2040769B (en) 1982-10-20

Family

ID=11564910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8000420A Expired GB2040769B (en) 1979-01-16 1980-01-07 Self-tapping screw

Country Status (4)

Country Link
JP (1) JPS55104109U (en)
DE (1) DE3000249A1 (en)
GB (1) GB2040769B (en)
NL (1) NL8000152A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658876B1 (en) * 1990-02-09 1994-07-08 Itw De France METHOD OF IMPLANTING A CONNECTION ELEMENT IN A SUPPORT OF SOFT MOLDED MATERIAL, ASSEMBLY ELEMENT SUITABLE FOR CARRYING OUT THIS METHOD, FIXING COMPRISING SAID ASSEMBLY ELEMENT, AND SUPPORT OF SOFT MOLDED MATERIAL OBTAINED ACCORDING TO LED PROCESS.
FR2683275B1 (en) * 1991-11-06 1995-03-03 Itw De France ASSEMBLY ELEMENT.
DE19831336C2 (en) 1998-07-13 2003-06-18 Sepitec Foundation Vaduz Bone screw, especially for use with translaminar vertebrae
DE19831338C2 (en) * 1998-07-13 2003-06-18 Sepitec Foundation Vaduz bone screw
US6254327B1 (en) * 1999-12-01 2001-07-03 Chun Chen Screw Co., Ltd. Screw with spiral triangular threads
CN2833213Y (en) * 2005-09-28 2006-11-01 欧维国际贸易(上海)有限公司 Easy-to-tap screw
WO2019192579A1 (en) * 2018-04-07 2019-10-10 游奕华 Bidirectional conical thread technology with technical characteristics of combining circular conical pairs and spirals
WO2019192565A1 (en) * 2018-04-07 2019-10-10 玉环胜友工具有限公司 Connection structure of traditional thread and internal thread outlining bidirectionally tapered dumbbell shape having larger left-end conical degree
TWI738043B (en) * 2019-08-28 2021-09-01 精法精密工業股份有限公司 Quick fastening screw

Also Published As

Publication number Publication date
JPS55104109U (en) 1980-07-21
DE3000249A1 (en) 1980-07-17
GB2040769A (en) 1980-09-03
NL8000152A (en) 1980-07-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940107