self-tappingadj.

Brit.

/ˌsɛlfˈtapɪŋ/, U.S.

/ˌsɛlfˈtæpɪŋ/

Origin: Formed within English, by derivation. Etymons: self- prefix, tap v.¹, -ing suffix².

Etymology: < self- prefix + tap v.¹ + -ing suffix².

1. Designating a spigot, funnel, etc., designed to pierce an untapped cask or other container of liquid as well as discharge its contents.

ΘΚΠ

society > occupation and work > equipment > other specific types of equipment > [noun] > tap > types of

washer1596

plug1707

ballcock1734

bib cock1797

draw-off1826

plug cock1826

screw tap1842

waste-cock1844

ball tap1849

self-tapping1878

mixing valve1902

mixer tap1936

combination tap1951

mixer1973

1878 A. W. P. Ladd U.S. Patent 203,924 1/1 An improved device which I call a ‘self-tapping can-funnel’;..provided with a cutter or piercing device, so that a can may be placed upon it and its contents discharged into the funnel.

1901 U.S. Patent 690,223 1/1 Certain new and useful improvements in self-tapping spigots,..whereby a spigot may be easily inserted into a barrel, keg, or cask.

1963 Product Engin. 4 Mar. 94 (heading) Self-tapping valve... Pressure tee taps into gas main while it carries operating pressure to connect service lines without interrupting service.

2007 J. Bridgewater Home Plumbing (new ed.) v. 101/1 The simplest way to tap into the water supply is to use a self-tapping valve, in just the same way as for a washing machine.

2. Designating a hardened screw, bolt, etc., designed to cut its own thread in the hole into which it is driven. Cf. tap v.¹ 6a.Some self-tapping screws, bolts, etc., are also self-drilling (self-drilling adj. at self- prefix 6).

ΘΚΠ

society > occupation and work > equipment > building and constructing equipment > fastenings > [adjective] > screw > types of screw or thread

Whitworth1877

acme thread1908

self-tapping1912

Phillips1935

1912 Jrnl. Amer. Med. Assoc. 25 May 1561/2 A self-tapping machine screw should be used in place of the wood screws heretofore used, on account of the added strength and mechanical advantages gained.

1936 R. T. Kent et al. W. Kent's Mech. Engineers' Handbk. (ed. 11) III. ix. 36 Self-tapping screws are screws that may be driven into an untapped hole, forming the thread in the hole as they are driven.

1955 Archit. Rev. 117 213/1 From the point of view of large-scale production of sheet metal components, the greatest design change has been brought about by the Parker-Kalon or self-tapping screw.

1970 K. Ball Fiat 600, 600D Autobook viii. 99/1 Slightly tighten the self-tapping bushes.

1990 Woodworker Summer 9/2 They are self-tapping and require no pilot holes.

2011 C. Szpalski et al. in P. Ducheyne et al. Comprehensive Biomaterials VI. dcxxi. 329/2 Because pretapping does not always engage bone as well as self-tapping screws, fixation may not be as good in small mobile bone segments.

This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).

单词	self-tapping
释义	self-tappingadj. Brit. /ˌsɛlfˈtapɪŋ/, U.S. /ˌsɛlfˈtæpɪŋ/ Origin: Formed within English, by derivation. Etymons: self- prefix, tap v.¹, -ing suffix². Etymology: < self- prefix + tap v.¹ + -ing suffix². 1. Designating a spigot, funnel, etc., designed to pierce an untapped cask or other container of liquid as well as discharge its contents. ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > tap > types of washer1596 plug1707 ballcock1734 bib cock1797 draw-off1826 plug cock1826 screw tap1842 waste-cock1844 ball tap1849 self-tapping1878 mixing valve1902 mixer tap1936 combination tap1951 mixer1973 1878 A. W. P. Ladd U.S. Patent 203,924 1/1 An improved device which I call a ‘self-tapping can-funnel’;..provided with a cutter or piercing device, so that a can may be placed upon it and its contents discharged into the funnel. 1901 U.S. Patent 690,223 1/1 Certain new and useful improvements in self-tapping spigots,..whereby a spigot may be easily inserted into a barrel, keg, or cask. 1963 Product Engin. 4 Mar. 94 (heading) Self-tapping valve... Pressure tee taps into gas main while it carries operating pressure to connect service lines without interrupting service. 2007 J. Bridgewater Home Plumbing (new ed.) v. 101/1 The simplest way to tap into the water supply is to use a self-tapping valve, in just the same way as for a washing machine. 2. Designating a hardened screw, bolt, etc., designed to cut its own thread in the hole into which it is driven. Cf. tap v.¹ 6a.Some self-tapping screws, bolts, etc., are also self-drilling (self-drilling adj. at self- prefix 6). ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [adjective] > screw > types of screw or thread Whitworth1877 acme thread1908 self-tapping1912 Phillips1935 1912 Jrnl. Amer. Med. Assoc. 25 May 1561/2 A self-tapping machine screw should be used in place of the wood screws heretofore used, on account of the added strength and mechanical advantages gained. 1936 R. T. Kent et al. W. Kent's Mech. Engineers' Handbk. (ed. 11) III. ix. 36 Self-tapping screws are screws that may be driven into an untapped hole, forming the thread in the hole as they are driven. 1955 Archit. Rev. 117 213/1 From the point of view of large-scale production of sheet metal components, the greatest design change has been brought about by the Parker-Kalon or self-tapping screw. 1970 K. Ball Fiat 600, 600D Autobook viii. 99/1 Slightly tighten the self-tapping bushes. 1990 Woodworker Summer 9/2 They are self-tapping and require no pilot holes. 2011 C. Szpalski et al. in P. Ducheyne et al. Comprehensive Biomaterials VI. dcxxi. 329/2 Because pretapping does not always engage bone as well as self-tapping screws, fixation may not be as good in small mobile bone segments. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < adj.1878
随便看	well ill friended well in well in cash well in goods well in health well in one's wits well in the world well in woe well inquered well isene well kerb well kick well liked of well liquor well meaned well mouth well now well nutrimented well of one's wits well off well or ill together well out well over well overtaken well packing