CA1100795A - Threaded one side insert, particularly for thin sheets - Google Patents
Threaded one side insert, particularly for thin sheetsInfo
- Publication number
- CA1100795A CA1100795A CA304,569A CA304569A CA1100795A CA 1100795 A CA1100795 A CA 1100795A CA 304569 A CA304569 A CA 304569A CA 1100795 A CA1100795 A CA 1100795A
- Authority
- CA
- Canada
- Prior art keywords
- rivet nut
- expansible
- section
- bore
- head
- 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
- 230000002787 reinforcement Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
- F16B37/065—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut
- F16B37/067—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut the material of the nut being deformed by a threaded member generating axial movement of the threaded part of the nut, e.g. blind rivet type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE:
Outwardly expansible rivet nut for particular use on thin sheets. It is formed of a hollow body of constant outer diameter having a head at one end followed by an expansible part next to the head and a rigid part next to the expansible part. This expansible part, in turn, is formed of a front section next to the head with a constant diameter front bore and a central section following the front section and having a constant diameter central bore of a size smaller than that of the front bore. The rigid part has an inwardly threaded bore.
The front section is axially reinforced on its outer surface while a single circumferential groove is provided through the body from its outer surface, being located in the zone that separates the central section and the threaded part.
Outwardly expansible rivet nut for particular use on thin sheets. It is formed of a hollow body of constant outer diameter having a head at one end followed by an expansible part next to the head and a rigid part next to the expansible part. This expansible part, in turn, is formed of a front section next to the head with a constant diameter front bore and a central section following the front section and having a constant diameter central bore of a size smaller than that of the front bore. The rigid part has an inwardly threaded bore.
The front section is axially reinforced on its outer surface while a single circumferential groove is provided through the body from its outer surface, being located in the zone that separates the central section and the threaded part.
Description
lloa7ss The present invention relates to an outwardly expansible xivet nut, made integrally of one piece, and for particular use on thin sheets.
There are different types of such rivet nuts now in use, for use on thin sheets, which are characterized by their methods of attachment to the sheets. There are some that can be secured from either side of the sheet while others can only be secured from one side. Among the latter are rivet nuts formed by a hollow body having a threaded part at one end.
Referred to as one-side connecting elements, they can be secured to the sheet from one side only and have, in addition to known advantages, also a number of drawbacks.
One of these is that they can exist only in a very narrow and positively restricted range of attachment. It is further known in the art that any such connecting elements which serve for connecting onto thin sheets is additionally used, apart from its main purpose which is that of creating a soli~ and reliable connection, to provide a bearing plate effect that reinforces the thin sheet around the hole through which the rivet nut extends. Known rivet nuts do not however appropriately meet this requirement as the size of the rivet head is substantially the same for thin or for thick sheets.
Known connecting elements wherein the part of the body lying between the head the the threaded part is divided longitudinally for affecting its integrity cannot be applied where a closed connection is required.
A primary object of the present invention lies in the provision of a rivet nut, for particular use with thin sheets, providing a substantial reinforcement of the connection because the closing head has a diameter which is much largex on the inaccessible side of the sheet.
Accordingly, the present invention as herein broadly ~i l~OU795 claimed is an outwardly expansible rivet nut of the a~ore-mentioned type, comprising: a hollow body of substantially constant outer diameter having a head at a front end to be applied over one face of a sheet, this body having an expansible part next to the head and a rigid part next to the expansible part and away from the head, these parts being adapted to extend through an opening in the sheet and away from the other face thereof so as to provide a one-side connection; wherein the expansible part of the body comprises a front section, next to the head, having a front bore of which at least a portion has a constant diameter and a central section having a central bore of a diameter smaller than the constant diameter of the front bore while the rigid part has an inwardly threaded bore adapted for the screwing of a member after the mem~er has extended through the front and middle bores, and a single circumferential groove into the body from the outer surface and located in the zone separating the expansible part and the rigid part.
Preferably, the front section extends along substantially 2/3 of the expansible part while the middle section extends along substantially the remaining 1/3 thereof.
Also, the groove may be about 1/2 of the thickness of the wall of the central section.
Preferably also, means are provided to afford axial reinforcement on at least part of the front section on its outer surface.
An advantage of a one-sided rivet nut with axial reinforcement is that of the combined effect of such axial reinforcement o~ the ~ront section having a thinner wall and of the annular groove on the outer surface of the body in the zone that separates the central section and the threaded part. It has been found that this effect provides a wide adaptability of the one-sided connection for use on sheets having different thicknesses, providing a high stress resistance of
There are different types of such rivet nuts now in use, for use on thin sheets, which are characterized by their methods of attachment to the sheets. There are some that can be secured from either side of the sheet while others can only be secured from one side. Among the latter are rivet nuts formed by a hollow body having a threaded part at one end.
Referred to as one-side connecting elements, they can be secured to the sheet from one side only and have, in addition to known advantages, also a number of drawbacks.
One of these is that they can exist only in a very narrow and positively restricted range of attachment. It is further known in the art that any such connecting elements which serve for connecting onto thin sheets is additionally used, apart from its main purpose which is that of creating a soli~ and reliable connection, to provide a bearing plate effect that reinforces the thin sheet around the hole through which the rivet nut extends. Known rivet nuts do not however appropriately meet this requirement as the size of the rivet head is substantially the same for thin or for thick sheets.
Known connecting elements wherein the part of the body lying between the head the the threaded part is divided longitudinally for affecting its integrity cannot be applied where a closed connection is required.
A primary object of the present invention lies in the provision of a rivet nut, for particular use with thin sheets, providing a substantial reinforcement of the connection because the closing head has a diameter which is much largex on the inaccessible side of the sheet.
Accordingly, the present invention as herein broadly ~i l~OU795 claimed is an outwardly expansible rivet nut of the a~ore-mentioned type, comprising: a hollow body of substantially constant outer diameter having a head at a front end to be applied over one face of a sheet, this body having an expansible part next to the head and a rigid part next to the expansible part and away from the head, these parts being adapted to extend through an opening in the sheet and away from the other face thereof so as to provide a one-side connection; wherein the expansible part of the body comprises a front section, next to the head, having a front bore of which at least a portion has a constant diameter and a central section having a central bore of a diameter smaller than the constant diameter of the front bore while the rigid part has an inwardly threaded bore adapted for the screwing of a member after the mem~er has extended through the front and middle bores, and a single circumferential groove into the body from the outer surface and located in the zone separating the expansible part and the rigid part.
Preferably, the front section extends along substantially 2/3 of the expansible part while the middle section extends along substantially the remaining 1/3 thereof.
Also, the groove may be about 1/2 of the thickness of the wall of the central section.
Preferably also, means are provided to afford axial reinforcement on at least part of the front section on its outer surface.
An advantage of a one-sided rivet nut with axial reinforcement is that of the combined effect of such axial reinforcement o~ the ~ront section having a thinner wall and of the annular groove on the outer surface of the body in the zone that separates the central section and the threaded part. It has been found that this effect provides a wide adaptability of the one-sided connection for use on sheets having different thicknesses, providing a high stress resistance of
- 2 -1~07~S
the closing~head. Another notable advantage of the invention is that the closing head increases in size as the sheets get thinner and where such a greater reinforcement is desired. For thicker sheets, where the reinforcement effect of the closing head is not as acutely required, the diameter of the closing head may be smaller which, in turn, however gives an increased reslstivity to stress by pull and torsion.
Preferred embodiments of the invention will now be described with reference to the appended drawings whèrein:
Figure 1 is an elevation view of a rivet nut made according to the invention with parts shown in longitudinal cross-section;
Figure 2 is a cross-sectional view of Figure 1 taken along line A-A thereof;
Figure 3 is a side elevation view intended to illustrate the external surface of a rivet nut according to the invention;
Figure 4 is a cross-sectional view taken along line B-B of Figure 3;
Figure 5 is an elevation view of part of a rivet according to the invention, also broken away to show the internal structure, intended to illustrate another form of axial reinforce-ment;
Figure 6 is a cross-sectional view taken along line C-C of Figure S;
Figure 7 is a cross-section of a rivet nut made according to the invention, shown applied onto a thin sheet with part of an assembling tool and with the rivet being still in the non-riveted condition;
Figure 8 is a side elevation view of the illustration of Figure 7 with the rivet nut partially outwardly expanded;
Figure 9 is a side elevation view, partly shown in
the closing~head. Another notable advantage of the invention is that the closing head increases in size as the sheets get thinner and where such a greater reinforcement is desired. For thicker sheets, where the reinforcement effect of the closing head is not as acutely required, the diameter of the closing head may be smaller which, in turn, however gives an increased reslstivity to stress by pull and torsion.
Preferred embodiments of the invention will now be described with reference to the appended drawings whèrein:
Figure 1 is an elevation view of a rivet nut made according to the invention with parts shown in longitudinal cross-section;
Figure 2 is a cross-sectional view of Figure 1 taken along line A-A thereof;
Figure 3 is a side elevation view intended to illustrate the external surface of a rivet nut according to the invention;
Figure 4 is a cross-sectional view taken along line B-B of Figure 3;
Figure 5 is an elevation view of part of a rivet according to the invention, also broken away to show the internal structure, intended to illustrate another form of axial reinforce-ment;
Figure 6 is a cross-sectional view taken along line C-C of Figure S;
Figure 7 is a cross-section of a rivet nut made according to the invention, shown applied onto a thin sheet with part of an assembling tool and with the rivet being still in the non-riveted condition;
Figure 8 is a side elevation view of the illustration of Figure 7 with the rivet nut partially outwardly expanded;
Figure 9 is a side elevation view, partly shown in
- 3 -~100795 cross-section, illustrating the rivet nut in fully attached condition onto a thin sheet, and Figure 10 is a view similar to that of Figure 9 but showing the rivet nut mounted onto a thicker sheet.
Referring now to the drawings, there is shown a hollow inwardly threaded expansible rivet nut made according to the invention and particularly adapted for connecting onto thin sheets from one side thereof. This rivet nut comprises a hollow body having a generally constant outer diameter and formed of an expansible part 1 terminating at one end into a head 2 and integrally continuing, at the other end, into a solid non-expansible part 3 which has a threaded bore 4. The expansible part 1 of the hollow body is made up of a front section 5, bored as at 5a, and a central section 7, bored as at 7a, both bores being of uniform diameter and bore 5a being greater than bore 7a. The bore 5a preferably extends within 2/3 of the length of the expansible part 1 and the wall thickness of section 5 is relatively small while the bore 7a extends over about the remaining 1/3 of the length of part 1 and the thick-ness of the wall of middle section 7 is larger, this followingobviously from the fact that the outer diameter of the whole rivet nut is substantially constant, as aforesaid. Likewise, the diameter of the smaller bore 7a is preferably somewhat larger than that of the threaded bore 4 in order to enable a threaded member 10 (as in Figure 7) to be screwed thereinto after extendirlg through bores 5a and 7a.
The outer surface of the rivet nut is circular and provided, on the front section 5, with an axial reinforcement 9 which may be in the form of ribs pro-jecting from the outer surface of section 5, between the rivethead 2 and zone separating sections S and 7. These ribs are evenly distributed about section 5, as shown. In the embodiment
Referring now to the drawings, there is shown a hollow inwardly threaded expansible rivet nut made according to the invention and particularly adapted for connecting onto thin sheets from one side thereof. This rivet nut comprises a hollow body having a generally constant outer diameter and formed of an expansible part 1 terminating at one end into a head 2 and integrally continuing, at the other end, into a solid non-expansible part 3 which has a threaded bore 4. The expansible part 1 of the hollow body is made up of a front section 5, bored as at 5a, and a central section 7, bored as at 7a, both bores being of uniform diameter and bore 5a being greater than bore 7a. The bore 5a preferably extends within 2/3 of the length of the expansible part 1 and the wall thickness of section 5 is relatively small while the bore 7a extends over about the remaining 1/3 of the length of part 1 and the thick-ness of the wall of middle section 7 is larger, this followingobviously from the fact that the outer diameter of the whole rivet nut is substantially constant, as aforesaid. Likewise, the diameter of the smaller bore 7a is preferably somewhat larger than that of the threaded bore 4 in order to enable a threaded member 10 (as in Figure 7) to be screwed thereinto after extendirlg through bores 5a and 7a.
The outer surface of the rivet nut is circular and provided, on the front section 5, with an axial reinforcement 9 which may be in the form of ribs pro-jecting from the outer surface of section 5, between the rivethead 2 and zone separating sections S and 7. These ribs are evenly distributed about section 5, as shown. In the embodiment
4 -110~795 of Figures 5 and 6, the reinforcement 9 is in the form of inwardly pressed axially extending and peripherally evenly dis-tributed portions 8 of the wall o~ front section 5, leaving therebetween reinforcement ribs 9a. The reinforcement 9 may also be in the for~ of a polyhedron.
The outer surface of the rivet is provided, in the zone separating sections 7 and 3, with an annular circumferential groove 12 J the depth of which is about l/2 the thickness of the wall of section 7.
The manner of securing the one-sided rivet nut into an opening 13 of a thin sheet 14, as shown in Figures 7, 8 and 9, is obtained by screwing a threaded mandrel lO of an assembling tool, from the accessible side of the opening 13, until a pres-sure part ll is applied against the rivet head 2 thereby pres-sing the latter into the opening 13. By drawing member lO
toward the sheet 14 (see arrows in Fig. 8), a sudden deformation takes place in the transition zone between the bores 7 and 5 causing the expansible part l of the body to expand radially to take the shape of two frusto-cones facing one another along their large bases, as clearly shown in Figure 8. Further drawing of the member lO, always from the inaccessible side of the thin sheet 14, causes the thinner front section 5 to col-lapse, as shown in Figure 9, while the thicker central section 7 retains its conical shape and presses onto the collapsed section
The outer surface of the rivet is provided, in the zone separating sections 7 and 3, with an annular circumferential groove 12 J the depth of which is about l/2 the thickness of the wall of section 7.
The manner of securing the one-sided rivet nut into an opening 13 of a thin sheet 14, as shown in Figures 7, 8 and 9, is obtained by screwing a threaded mandrel lO of an assembling tool, from the accessible side of the opening 13, until a pres-sure part ll is applied against the rivet head 2 thereby pres-sing the latter into the opening 13. By drawing member lO
toward the sheet 14 (see arrows in Fig. 8), a sudden deformation takes place in the transition zone between the bores 7 and 5 causing the expansible part l of the body to expand radially to take the shape of two frusto-cones facing one another along their large bases, as clearly shown in Figure 8. Further drawing of the member lO, always from the inaccessible side of the thin sheet 14, causes the thinner front section 5 to col-lapse, as shown in Figure 9, while the thicker central section 7 retains its conical shape and presses onto the collapsed section
5 to apply it against the inaccessible face of the sheet 14.
With the aforesaid construction, it has been found that the diameter of the closing head 5 in the thin sheet 14 is substan-tially larger than that obtainable with rivet nuts of conventional construction with the effect that a substantial increase is obtained in the stress resistance to pull of the whole assembled part.
The manner of securing a one~sided rivet nut into an , 5 -s .
opening 13 made in a thicker sheet 15 is the same as securing it in a thin sheet 14, there being however a difference in diameter of the formed closing head, which diameter is smaller whereby the formed closing head shows a higher resistivity to pull stresses. One will easily gather, from Figures 9 and 10, the wide range of application of a one-sided rivet nut according to the invention.
With the aforesaid construction, it has been found that the diameter of the closing head 5 in the thin sheet 14 is substan-tially larger than that obtainable with rivet nuts of conventional construction with the effect that a substantial increase is obtained in the stress resistance to pull of the whole assembled part.
The manner of securing a one~sided rivet nut into an , 5 -s .
opening 13 made in a thicker sheet 15 is the same as securing it in a thin sheet 14, there being however a difference in diameter of the formed closing head, which diameter is smaller whereby the formed closing head shows a higher resistivity to pull stresses. One will easily gather, from Figures 9 and 10, the wide range of application of a one-sided rivet nut according to the invention.
6 -V
Claims (8)
1. An outwardly expansible rivet nut for particular use on thin sheets, comprising:
a) a hollow body of substantially constant outer diameter having a head at a front end thereof to be applied over one face of a sheet; said body having an expansible part next to said head and a rigid part next to said expansible part and away from said head; said parts adapted to extend through an opening in said sheet and away from the other face thereof;
b) wherein said expansible part comprises a front section, next to said head, having a front bore of which at least a portion has a constant diameter and a central section having a central bore of a diameter smaller than said constant diameter of the front bore, wherein said rigid part has an inwardly threaded bore adapted for the screwing therein of a member after said member has extended through said front and middle bores; and c) a single circumferential groove into said body from said outer surface, said groove being located in the zone separating said expansible part and said rigid part.
a) a hollow body of substantially constant outer diameter having a head at a front end thereof to be applied over one face of a sheet; said body having an expansible part next to said head and a rigid part next to said expansible part and away from said head; said parts adapted to extend through an opening in said sheet and away from the other face thereof;
b) wherein said expansible part comprises a front section, next to said head, having a front bore of which at least a portion has a constant diameter and a central section having a central bore of a diameter smaller than said constant diameter of the front bore, wherein said rigid part has an inwardly threaded bore adapted for the screwing therein of a member after said member has extended through said front and middle bores; and c) a single circumferential groove into said body from said outer surface, said groove being located in the zone separating said expansible part and said rigid part.
2. A rivet nut as claimed in claim 1, wherein said front section extends along substantially 2/3 of said expansible part and said middle section extends along substantially the remaining 1/3 thereof.
3. A rivet nut as claimed in claim 2, wherein the depth of said groove is about 1/2 of the wall thickness of said central section.
4. A rivet nut as claimed in claim 1, including means providing axial reinforcement on at least part of said front section.
5. A rivet nut as claimed in claims 1, 2 or 3, wherein the depth of said groove is about 1/2 of the wall thick-ness of said central section.
6. A rivet nut as claimed in claim 4, wherein said means providing axial reinforcement is formed of inwardly pressed axially extending and peripherally evenly distributed portions of the wall of said front section, the inner diameter of said inwardly pressed portions being smaller than said constant diameter of said front bore.
7. A rivet nut as claimed in claim 4, wherein said means providing axial reinforcement is formed of a series of ribs projecting from the outer surface of said front section and evenly distributed thereabout.
8. A rivet nut as claimed in claim 4, wherein said means providing axial reinforcement lies in that said front section is in the form of a polyhedron.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CSPV3765-77 | 1977-06-08 | ||
| CS773765A CS191362B1 (en) | 1977-06-08 | 1977-06-08 | Unilateral thread fillers,particularly in the thin steel sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1100795A true CA1100795A (en) | 1981-05-12 |
Family
ID=5378680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA304,569A Expired CA1100795A (en) | 1977-06-08 | 1978-06-01 | Threaded one side insert, particularly for thin sheets |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS545162A (en) |
| AT (1) | AT360808B (en) |
| AU (1) | AU518307B2 (en) |
| BE (1) | BE867007A (en) |
| CA (1) | CA1100795A (en) |
| CH (1) | CH629878A5 (en) |
| CS (1) | CS191362B1 (en) |
| DD (1) | DD136171A1 (en) |
| DE (1) | DE2818588C3 (en) |
| ES (1) | ES244270Y (en) |
| FR (1) | FR2393972A1 (en) |
| GB (1) | GB1599070A (en) |
| IT (1) | IT1097805B (en) |
| PL (1) | PL116611B2 (en) |
| SE (1) | SE7806695L (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56119009U (en) * | 1980-02-14 | 1981-09-10 | ||
| EP0053634B1 (en) * | 1980-12-09 | 1985-07-03 | The B.F. GOODRICH Company | Fastener assembly |
| JPS5897312U (en) * | 1981-12-25 | 1983-07-02 | 阪村 芳一 | Screw mechanism |
| JPS58196311A (en) * | 1982-05-11 | 1983-11-15 | 阪村 芳一 | Method of clamping blind nut and blind nut and tool for clamping used for said method |
| JPS60131717U (en) * | 1984-02-13 | 1985-09-03 | 阪村産業株式会社 | nut for caulking |
| DE3516343A1 (en) * | 1985-05-07 | 1986-11-13 | Artur Dr.H.C. 7244 Waldachtal Fischer | DUEBEL |
| JPS6225203U (en) * | 1985-07-30 | 1987-02-16 | ||
| WO2003081054A1 (en) * | 2002-03-27 | 2003-10-02 | Daxtor Aps | Expansion unit |
| DE20311263U1 (en) * | 2003-07-22 | 2003-09-11 | Böllhoff GmbH, 33649 Bielefeld | Screw connection arrangement for connecting two components |
| DE102007005626B3 (en) * | 2007-02-05 | 2008-08-28 | Honsel Umformtechnik Gmbh | Blind rivet nut or threaded bolt |
| FR2984614B1 (en) * | 2011-12-19 | 2014-11-28 | Bollhoff Otalu Sa | DEVICE FOR CONNECTING A PITCH, ORGAN FOR FORMING THE CONNECTION TERMINAL, NUT SUITABLE FOR COOPERATING WITH THE BODY, AND KIT FOR CONNECTING A PITCH |
| JP2013160321A (en) * | 2012-02-07 | 2013-08-19 | Nippon Pop Rivets & Fasteners Ltd | Blind nut and method for mounting the same |
| CZ306385B6 (en) * | 2015-12-04 | 2016-12-28 | Actia Cz S.R.O. | Manufacturing method of sheet metal and stiffnut connection, connection made in such a manner and knurling tool for making the same |
| DE102022100104A1 (en) | 2022-01-04 | 2023-07-06 | Honsel Umformtechnik Gmbh | Overhanging blind rivet nut |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2324142A (en) * | 1941-04-03 | 1943-07-13 | Rolyan Corp | Rivet and method of making same |
| GB854830A (en) * | 1957-09-13 | 1960-11-23 | Illinois Tool Works | Improvements in fasteners |
| US3236143A (en) * | 1959-05-15 | 1966-02-22 | Hi Shear Corp | Blind fastening device with collapsible tube |
| FR1275556A (en) * | 1959-11-27 | 1961-11-10 | Elastic Stop Nut Corp | Improvements made to fastening devices such as blind bolts |
| FR1297093A (en) * | 1960-08-09 | 1962-06-22 | Goodrich Co B F | Tubular rivet |
| GB1082207A (en) * | 1963-07-25 | 1967-09-06 | Firth Cleveland Fastenings Ltd | Improvements in and relating to fastening devices |
| US3343441A (en) * | 1965-04-01 | 1967-09-26 | United Carr Inc | Self-securing fastener |
| US3789728A (en) * | 1972-07-25 | 1974-02-05 | Goodrich Co B F | Blind fastener |
| US3797358A (en) * | 1972-07-25 | 1974-03-19 | Goodrich B | Blind fastener with prismatic body |
-
1977
- 1977-06-08 CS CS773765A patent/CS191362B1/en unknown
-
1978
- 1978-04-27 DE DE2818588A patent/DE2818588C3/en not_active Expired
- 1978-04-28 DD DD78205095A patent/DD136171A1/en not_active IP Right Cessation
- 1978-05-12 BE BE187631A patent/BE867007A/en not_active IP Right Cessation
- 1978-05-18 CH CH540178A patent/CH629878A5/en not_active IP Right Cessation
- 1978-05-22 JP JP6009178A patent/JPS545162A/en active Pending
- 1978-05-24 ES ES1978244270U patent/ES244270Y/en not_active Expired
- 1978-05-29 AU AU36578/78A patent/AU518307B2/en not_active Expired
- 1978-05-31 GB GB25520/78A patent/GB1599070A/en not_active Expired
- 1978-06-01 CA CA304,569A patent/CA1100795A/en not_active Expired
- 1978-06-06 PL PL1978207397A patent/PL116611B2/en unknown
- 1978-06-06 IT IT24272/78A patent/IT1097805B/en active
- 1978-06-07 AT AT412778A patent/AT360808B/en not_active IP Right Cessation
- 1978-06-08 FR FR787817186A patent/FR2393972A1/en active Granted
- 1978-06-08 SE SE7806695A patent/SE7806695L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT360808B (en) | 1981-02-10 |
| DE2818588C3 (en) | 1980-11-27 |
| CH629878A5 (en) | 1982-05-14 |
| CS191362B1 (en) | 1979-07-31 |
| DE2818588A1 (en) | 1978-12-14 |
| ES244270U (en) | 1980-02-16 |
| PL207397A1 (en) | 1979-03-12 |
| ES244270Y (en) | 1980-08-16 |
| AU518307B2 (en) | 1981-09-24 |
| DD136171A1 (en) | 1979-06-20 |
| IT7824272A0 (en) | 1978-06-06 |
| PL116611B2 (en) | 1981-06-30 |
| DE2818588B2 (en) | 1980-04-03 |
| ATA412778A (en) | 1980-06-15 |
| IT1097805B (en) | 1985-08-31 |
| FR2393972A1 (en) | 1979-01-05 |
| FR2393972B1 (en) | 1982-04-16 |
| GB1599070A (en) | 1981-09-30 |
| SE7806695L (en) | 1978-12-09 |
| JPS545162A (en) | 1979-01-16 |
| BE867007A (en) | 1978-09-01 |
| AU3657878A (en) | 1979-12-06 |
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Legal Events
| Date | Code | Title | Description |
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| MKEX | Expiry |