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Fastenings for Sheet Metal

Fastenings for Sheet Metal lengths vary from a 'grip' or fastening capacity of 0·010 in. up to 0·275 in. A special tool is employed for fixing the rivets embodying a pull-up stud to suit the size of the rivet to be fixed; this stud being instantaneously An Interesting Type of Threaded Rivet for Blind Holes engaged with the threads by a push on the fiat knob at the end of one of the handles of the tool. Developed in America The rivet, threaded on the tool, is then inserted in the hole, and a squeeze of the handles (in the manner of a pipe wrench) upsets the rivet and locks it firmly in the work. Releasing the hand UC H ingenuity has been devoted of late pressure on the handles, and giving a slight pull years to the problem of rapid and secure to the flat knob then unthreads the pull-up stud fastenings for sheet-metal work, and from the upset rivet. numbers of devices have been evolved to replace the slower and more cumbersome traditional methods. A particularly interesting American development in this line takes the form of a TRADE ANNOUNCEMENTS threaded rivet of the type shown in FIG. 1. Th e shank portion of this rivet is made somewhat Blackburn and General Aircraft Changes thinner so that it can be upset by a suitable head­ It is announced by Blackburn and General Aircraft Ltd, of Brough, East Yorks, that Mr E. Turner, ing tool (hand or power). This heading tool A.C.A., has been appointed Acting Manager Director transmits a pull on the threaded portion so that a in the place of Major F. A. Bumpus, F.R.Ae.S. Major bulge forms on the plain shank portion immedi­ Bumpus, who remains on the Board, also relinquishes ately above the threads and below the sheet or the appointment of Managing Director of the sub­ sheets to which the rivet is applied, and the pull sidiary Company, Blackburn (Dumbarton) Limited, on the threads is continued until the expanding but remains as Chairman. Mr W. A. Hargreaves, metal seats itself firmly against the work to be M.B.E., A.M.I.C.E., F.R.Ae.S., has been appointed fastened. The pull-up stud of the heading tool is to the Board as Works Director and also becomes Managing Director of Blackburn (Dumbarton) Ltd. Mr Turner, who is a chartered accountant, joined the company at the conclusion of hostilities and was appointed Secretary in 1948. Mr Hargreaves, who has been with the company for over 25 years, went to Dumbarton as Works Manager in 1942. He was awarded the M.B.E. in the 1946 New Year's Honours List for his outstanding work in con­ nexion with the Sunderland flying boat production which rose to one machine every three working days. then removed from the threads, and the fixing Mr R. H. Stone, A.C.A., who was originally with is complete with the rivet threads clean, ready for the General Aircraft Company, has been appointed the attachment of another member by means of a Secretary of Blackburn and General Aircraft in the screw in the manner shown by FIG. 2, giving at place of Mr Turner. least six full threads for this purpose, no matter how thin the metal sheet. Boulton Paul's New Chairman Owing to pressure of other business Mr R. G. FIG . 3 shows the utility of such a device for a Simpson has resigned from the Board of Directors of blind hole, where it is used for fastening levelling Boulton Paul Aircraft Ltd; Mr J. D. North has been feet to the cabinet of a refrigerator. This operation elected Chairman in his stead. Mr North will continue is a matter of a few seconds only and is carried to be Managing Director. out after the casing is enamelled without marring the finish in any way. FIG . 4 is another example, Burton, Griffiths in Eire and N. Ireland taken from the same industry, where a threaded We are advised by Messrs Burton, Griffiths & Co Ltd, of Mackadown Lane, Marston Green, Birming­ rivet is employed for fastening an extruded plastic ham, that they, and Messrs Gilbert & Murphy, their strip to the thin metal inner wall of a refrigerator, agents in Northern Ireland and Eire, have mutually the type of rivet employed in this case being one agreed to terminate their agency arrangements in that with a closed end. After removal of the heading territory. The arrangement has been one of long tool, the threads of the inserted rivet provide a standing, and its termination has been brought about nut plate for the screw attachment of the plastic as Messrs Burton, Griffiths & Company will be taking strip. care of their machine tool interests in Northern Ireland and Eire with their own representatives from their Threaded rivets of this type arc manufactured head office. This will leave both companies free to in aluminium, brass, steel, and stainless steel. extend their activities without restriction of any kind. The heads may be either flat (which is the type most commonly used) or countersunk, and such Clarkson (Engineers) at the South Bank heads may be either plain or with a key. Th e Clarkson (Engineers) Ltd, Nuneaton, have had open-end style of rivet is illustrated by FIG. 1, their autolock chuck selected by the British Council but for special applications for use in sealed of Industrial Design for inclusion in the Engineering Section of the South Bank Exhibition, Festival of compartments, refrigerators, floats, pontoons, Britain, London. or wherever a sealed installation is essential a closed-end rivet would be employed. Sizes and Mullard's New Director Dr C. F. Bareford, head of the Mullard Electronic Research Laboratory, has been made a Director of Mullard Equipment Ltd, of Century House, Shaftes­ bury Avenue, WC2. SAE Wright Brothers Medal The Wright Brothers medal commemorating pioneer American efforts in flying has been awarded by the Society of Automotive Engineers to Mr James C. Floyd, of A. V. Roc (Canada) Ltd., for contributions to technical literature and the design and development of jet-propelled transport planes. Presentation was made at a dinner officially closing the National Aero­ nautic Meeting of the Society of Automotive Engineers. Mr Floyd is the first citizen of any country other than the United States to receive the honour. The award is based specifically upon the excellence of a technical paper, 'The Avro C-102 "Jetliner",' pre­ pared and presented by Mr Floyd before the SAE Annual Meeting at Detroit, Mich, in January, 1950, which was reprinted in AIRCRAFT ENGINEERING, vol. XXII, August 1950, pp. 228-237. 182 Aircraft Engineering http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Fastenings for Sheet Metal

Aircraft Engineering and Aerospace Technology , Volume 23 (6): 1 – Jun 1, 1951

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb032049
Publisher site
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Abstract

lengths vary from a 'grip' or fastening capacity of 0·010 in. up to 0·275 in. A special tool is employed for fixing the rivets embodying a pull-up stud to suit the size of the rivet to be fixed; this stud being instantaneously An Interesting Type of Threaded Rivet for Blind Holes engaged with the threads by a push on the fiat knob at the end of one of the handles of the tool. Developed in America The rivet, threaded on the tool, is then inserted in the hole, and a squeeze of the handles (in the manner of a pipe wrench) upsets the rivet and locks it firmly in the work. Releasing the hand UC H ingenuity has been devoted of late pressure on the handles, and giving a slight pull years to the problem of rapid and secure to the flat knob then unthreads the pull-up stud fastenings for sheet-metal work, and from the upset rivet. numbers of devices have been evolved to replace the slower and more cumbersome traditional methods. A particularly interesting American development in this line takes the form of a TRADE ANNOUNCEMENTS threaded rivet of the type shown in FIG. 1. Th e shank portion of this rivet is made somewhat Blackburn and General Aircraft Changes thinner so that it can be upset by a suitable head­ It is announced by Blackburn and General Aircraft Ltd, of Brough, East Yorks, that Mr E. Turner, ing tool (hand or power). This heading tool A.C.A., has been appointed Acting Manager Director transmits a pull on the threaded portion so that a in the place of Major F. A. Bumpus, F.R.Ae.S. Major bulge forms on the plain shank portion immedi­ Bumpus, who remains on the Board, also relinquishes ately above the threads and below the sheet or the appointment of Managing Director of the sub­ sheets to which the rivet is applied, and the pull sidiary Company, Blackburn (Dumbarton) Limited, on the threads is continued until the expanding but remains as Chairman. Mr W. A. Hargreaves, metal seats itself firmly against the work to be M.B.E., A.M.I.C.E., F.R.Ae.S., has been appointed fastened. The pull-up stud of the heading tool is to the Board as Works Director and also becomes Managing Director of Blackburn (Dumbarton) Ltd. Mr Turner, who is a chartered accountant, joined the company at the conclusion of hostilities and was appointed Secretary in 1948. Mr Hargreaves, who has been with the company for over 25 years, went to Dumbarton as Works Manager in 1942. He was awarded the M.B.E. in the 1946 New Year's Honours List for his outstanding work in con­ nexion with the Sunderland flying boat production which rose to one machine every three working days. then removed from the threads, and the fixing Mr R. H. Stone, A.C.A., who was originally with is complete with the rivet threads clean, ready for the General Aircraft Company, has been appointed the attachment of another member by means of a Secretary of Blackburn and General Aircraft in the screw in the manner shown by FIG. 2, giving at place of Mr Turner. least six full threads for this purpose, no matter how thin the metal sheet. Boulton Paul's New Chairman Owing to pressure of other business Mr R. G. FIG . 3 shows the utility of such a device for a Simpson has resigned from the Board of Directors of blind hole, where it is used for fastening levelling Boulton Paul Aircraft Ltd; Mr J. D. North has been feet to the cabinet of a refrigerator. This operation elected Chairman in his stead. Mr North will continue is a matter of a few seconds only and is carried to be Managing Director. out after the casing is enamelled without marring the finish in any way. FIG . 4 is another example, Burton, Griffiths in Eire and N. Ireland taken from the same industry, where a threaded We are advised by Messrs Burton, Griffiths & Co Ltd, of Mackadown Lane, Marston Green, Birming­ rivet is employed for fastening an extruded plastic ham, that they, and Messrs Gilbert & Murphy, their strip to the thin metal inner wall of a refrigerator, agents in Northern Ireland and Eire, have mutually the type of rivet employed in this case being one agreed to terminate their agency arrangements in that with a closed end. After removal of the heading territory. The arrangement has been one of long tool, the threads of the inserted rivet provide a standing, and its termination has been brought about nut plate for the screw attachment of the plastic as Messrs Burton, Griffiths & Company will be taking strip. care of their machine tool interests in Northern Ireland and Eire with their own representatives from their Threaded rivets of this type arc manufactured head office. This will leave both companies free to in aluminium, brass, steel, and stainless steel. extend their activities without restriction of any kind. The heads may be either flat (which is the type most commonly used) or countersunk, and such Clarkson (Engineers) at the South Bank heads may be either plain or with a key. Th e Clarkson (Engineers) Ltd, Nuneaton, have had open-end style of rivet is illustrated by FIG. 1, their autolock chuck selected by the British Council but for special applications for use in sealed of Industrial Design for inclusion in the Engineering Section of the South Bank Exhibition, Festival of compartments, refrigerators, floats, pontoons, Britain, London. or wherever a sealed installation is essential a closed-end rivet would be employed. Sizes and Mullard's New Director Dr C. F. Bareford, head of the Mullard Electronic Research Laboratory, has been made a Director of Mullard Equipment Ltd, of Century House, Shaftes­ bury Avenue, WC2. SAE Wright Brothers Medal The Wright Brothers medal commemorating pioneer American efforts in flying has been awarded by the Society of Automotive Engineers to Mr James C. Floyd, of A. V. Roc (Canada) Ltd., for contributions to technical literature and the design and development of jet-propelled transport planes. Presentation was made at a dinner officially closing the National Aero­ nautic Meeting of the Society of Automotive Engineers. Mr Floyd is the first citizen of any country other than the United States to receive the honour. The award is based specifically upon the excellence of a technical paper, 'The Avro C-102 "Jetliner",' pre­ pared and presented by Mr Floyd before the SAE Annual Meeting at Detroit, Mich, in January, 1950, which was reprinted in AIRCRAFT ENGINEERING, vol. XXII, August 1950, pp. 228-237. 182 Aircraft Engineering

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Jun 1, 1951

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