GB2100824B - Screws for engaging sheet metal - Google Patents
Screws for engaging sheet metalInfo
- Publication number
- GB2100824B GB2100824B GB08217862A GB8217862A GB2100824B GB 2100824 B GB2100824 B GB 2100824B GB 08217862 A GB08217862 A GB 08217862A GB 8217862 A GB8217862 A GB 8217862A GB 2100824 B GB2100824 B GB 2100824B
- Authority
- GB
- United Kingdom
- Prior art keywords
- screws
- sheet metal
- engaging sheet
- engaging
- metal
- 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
Links
- 239000002184 metal Substances 0.000 title 1
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
- F16B25/001—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
- F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
- F16B25/0021—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 metal, e.g. sheet-metal or aluminium
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/048—Specially-shaped necks
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/30—Locking exclusively by special shape of the screw-thread
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27622881A | 1981-06-22 | 1981-06-22 | |
US31626081A | 1981-10-29 | 1981-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2100824A GB2100824A (en) | 1983-01-06 |
GB2100824B true GB2100824B (en) | 1985-05-15 |
Family
ID=26957858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08217862A Expired GB2100824B (en) | 1981-06-22 | 1982-06-21 | Screws for engaging sheet metal |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1184053A (en) |
ES (1) | ES272908Y (en) |
FR (1) | FR2508122B1 (en) |
GB (1) | GB2100824B (en) |
IT (1) | IT1152247B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE423107C (en) * | 1923-09-29 | 1925-12-19 | Carlo Peruzzini | Parental control |
BE530258A (en) * | 1953-07-09 | |||
GB1390614A (en) * | 1971-04-14 | 1975-04-16 | Ici Ltd | Extrusion |
US3812639A (en) * | 1973-03-26 | 1974-05-28 | Illinois Tool Works | Locking and strip-resistant fastener |
-
1982
- 1982-04-30 CA CA000402097A patent/CA1184053A/en not_active Expired
- 1982-06-18 IT IT21941/82A patent/IT1152247B/en active
- 1982-06-21 FR FR8210803A patent/FR2508122B1/en not_active Expired
- 1982-06-21 ES ES1982272908U patent/ES272908Y/en not_active Expired
- 1982-06-21 GB GB08217862A patent/GB2100824B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1184053A (en) | 1985-03-19 |
IT8221941A0 (en) | 1982-06-18 |
ES272908Y (en) | 1985-03-01 |
IT1152247B (en) | 1986-12-31 |
FR2508122A1 (en) | 1982-12-24 |
GB2100824A (en) | 1983-01-06 |
ES272908U (en) | 1984-08-16 |
FR2508122B1 (en) | 1986-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2109617B (en) | Music sheet | |
KE3656A (en) | Boards & sheets | |
GB2101621B (en) | Gasket sheets | |
GB2092985B (en) | Drawn-and-ironed metal | |
DE3265943D1 (en) | Thin insulating sheet | |
JPS57195046A (en) | Sheet feeder | |
GB2099099B (en) | Sheet metal nut | |
GB2109787B (en) | Triarylboraneisocyano metal compounds | |
DE3173398D1 (en) | Apparatus for straightening sheet metal | |
DE3168383D1 (en) | Conveyor for metal sheet coils | |
JPS57125142A (en) | Metallic can | |
GB2110266B (en) | Sheet metal facade units | |
GB2103111B (en) | Wind-passing sheet | |
DE3270231D1 (en) | Sheet feeder | |
GB8428341D0 (en) | Sheet metal panel | |
DE3266093D1 (en) | Thin insulating sheet | |
ZA822165B (en) | Press taps | |
JPS57193550A (en) | Drain sheet for city engineering | |
JPS57140156A (en) | Metal decorative sheet | |
GB2100824B (en) | Screws for engaging sheet metal | |
GB2123467B (en) | Sheet metal panel | |
GB2109737B (en) | Apparatus for cutting sheet metal | |
JPS57193600A (en) | Sheet | |
GB2110165B (en) | Thin metal precision apertured sheets | |
GB2109501B (en) | Sheet metal connectors |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990621 |