Finite element analysis and actual tests indicate a greatly improved fatigue resistance compared to previously known buttress threads and other thread forms. ... Table III clearly shows that buttress thread 30 of the present invention has a greatly improved fatigue life over that observed for the standard Acme thread.
www.freepatentsonline.com/5127784.html
The next generation of threads designed into connectors for high-performance pressure sealing and strength was the tapered, buttress-type thread form. ... A combination of dimensions known to the inventors to be preferred in practicing the invention is given by the table below:
www.freepatentsonline.com/5092635.html
Application of buttress threads ... Here you can find the nominal dimensions for the buttress thread profiles according to DIN 513. You can download a table of the nominal dimensions for the buttress thread profiles as well as a technical drawing of the profile as PDF file.
www.bornemann-gewindetechnik.de/en/products/threading-t... www.bornemann-gewindetechnik.de/en/products/threading-technology/buttress-threads.html
Jan 1, 1973 ... (a) A form of 7°/45° buttress thread with 0.6p basic height of thread engagement (see Fig. 1a). (b) A table of preferred diameter-pitch ...
aero-defense.ihs.com/document/abstract/YZTFCAAAAAAAAAAA
The tensile test will check the overall strength of the Class III buttress threads machined by NCDMM. The pieces six inches in length were used for design of experiment (DOE) tests, where three different ... Table 1 illustrates the details of the threading inserts and the cut-off inserts used during this evaluation.
www.dtic.mil/cgi-bin/GetTRDoc?Location=U2&doc=GetTRDoc.... www.dtic.mil/cgi-bin/GetTRDoc?Location=U2&doc=GetTRDoc.pdf&AD=ADA483296
Acme, Pipe, STI, British & American buttress threads gages and ISO metric trapezoidal threads gages ... Table and computed values ... British Buttress Threads: BS1657: 1950 R98...
www.threadcheck.com/content/software.asp www.threadcheck.com/content/software.asp
When the mean diameter of rings with a buttress thread is tested it is possible to use ... slanting position into a vertical one and the rotating table from ...
www.springerlink.com/index/N8P3L872QPQ3182V.pdf
This standard relates to screw threads of buttress form and provides: ... (b) A table of preferred diameter-pitch combinations (see Table 1). ... (2) Pitch Diameter-Measurement for External and Internal Buttress Threads...
engineers.ihs.com/document/abstract/YZTFCAAAAAAAAAAA
Table of contents for Modern machine shops guide to threads, threading, and threaded fasteners / by Woodrow Chapman. ... ; Bibliographic record and links to related information available from the Library of Congress catalog. Note: Contents data are machine generated based on pre-publication information provided by...
www.loc.gov/catdir/toc/ecip0415/2004004400.html
Table of contents for Audel mechanical trades pocket manual. ... Unified Standard Threads. Unified Thread Series. Unified Thread Classes. Unified Thread Designations. Square Tread Terms. Double Depth of Screw Threads. Translation Threads. Square Threads. Acme Threads. Buttress Threads.
www.loc.gov/catdir/toc/wiley032/2003105639.html