Taps

“ Taps for general use by hand are frequently used to tap holes that do not pass entirely through the work; hence, the taper tap must have a short length of taper so that the second tap may be enabled to carry a full thread as near as possible to the bottom of the hole without carrying so heavy a cut as to render it liable to breakage, and the second or plug tap must in turn have so short a length of its end tapered that it will not throw too much duty upon the bottoming tap. ”

“ It is necessary to correct the errors before the tap has entered the hole deeply, because the deeper the tap has entered the greater the difficulty in making the correction. If the pressure on the tap wrench be made excessive, it is very liable to cause the tap to break, especially in the case of small taps, that is to say, those of 5⁄8 inch or less in diameter. ”

“ Tap, tap, n. a hole or short pipe through which liquor is drawn: a place where liquor is drawn: any particular liquor drawn through a tap.—v.t. to pierce, so as to let out fluid: to open a cask and draw off liquor: to broach a vessel.—v.i. to act as a tapster:—pr.p. tap′ping; pa.t. and pa.p. tapped.—ns. Tap′-bolt, a bolt with a head on one end and a thread on the other, to be screwed into some fixed part instead of passing through and receiving a nut; Tap′-cin′der, slag produced during puddling; Tap′-house, a tavern; Tap′lash, poor stale swipes; Tapote′ment, percussion; Tap′per, one who taps ”

“ Making Small Taps.—The best manner of making [236] large taps is to turn them to size in a lathe, and then cut the screw by the same means of with a die plate. Small taps cannot very well be so made. A very good way is to get good steel wire—generally sold of all sizes, under the name of Stubs’ steel wire—and from this make taps; the thread can be cut by means of a die stock.
When the thread is properly made, there are several ways to form it so as to make it a cutting tool. One method is to file it with four sides, making it a square. ”

“ With a tapered tap, or a tapered solid die, the full threads do not come into operation until after the tapered threads have started the cut. A properly made thoroughfare tap, or a tapered die, will cut an average sized screw at one traverse, provided lubrication is ample. Taps are now made with very narrow edges and wider clearances than formerly, very different from the common taps with broad edges and narrow grooves. There is thus little friction, and there is plenty of clearance for the chips, essential conditions for cutting screws rapidly at a single traverse.
Dies are held in stocks. ”

“ Taps to baths and lavatories should be connected to the main services by a flow and return pipe so that hot water is constantly flowing past the tap, thus enabling hot water to be obtained immediately. ”

“ The upper part of the cylinder has an opening (of different shapes) leading to the top of the plug, &c., a key being made to fit it (fig. 9) . The American wooden taps (fig. 8) , are just like it, but have the handle united instead of a key. The four-way tap is a clever contrivance for uniting four passages in alternate pairs; figs. 10 and 11 indicate the different positions of the plug. This kind of tap was formerly an important part of the steam-engine, and allowed the steam alternately to enter above and below the piston. ”

“ If he dips all day and has not mind enough to turn off the tap, he is considered a very serious case. If this test were put to our license lawmakers, I fear they would have [page 287] to go to the incurable ward. They have for many years been picking up drunkards from the gutters and opening taps for them to keep on pouring into the streets. Under this system the saloon keepers are playing ten-pins. You know in playing ten-pins there is a long alley, at one end of which stand the pins, while at the other stands the player with a ball in his hand. ”

“ Pulteney. “The young like it; they are in a position to hack one another’s shins when the teacher’s back is turned.”
When they reached the bedroom, Bredon found himself falling into the attitude of a lecturer. “The guide,” murmured Angela, “taking a party round the ruins of the old dungeon. Scene of the ’orrible crime. Please pay attention, gentlemen!”
“You see how the gas works in here,” began Bredon. “There’s the main tap, we’ll call it A, which controls the whole supply. Tap B is for the bracket; tap C leads through the tube to the standard lamp. ”

“ If a short pipe bent at right angles like the letter L is fitted by one arm on to the end of the tap, while the other is turned vertically upwards, and the vat is full as before; when the tap is turned, the water will shoot up into the air, and after rising for a certain distance will stop, and then fall. ”

“ The working of the apparatus, which only requires the manipulation of a single tap, is very simple. When the mercury is raised, the tap is turned in such a manner that the surplus of the liquid can pass into the enlarged appendage, a, placed above the tap, and communication is then cut off by turning the tap to 90 degrees. ”

“ I was working too hard; a rest would do me good. . . .
Drip, drip, drip. . . .
Nothing strange about that, surely! I thought, I would have it out with my friend the plumber, all the same. . . . . Meanwhile, I must try and check the dripping. . . .
As I entered the bathroom the tap, seeming to protest against my interference, began to drip faster, and I reached out my hand to stop it. Then I felt a peculiar stinging, burning sensation of intense cold across the backs of my hands as though someone were passing a piece of ice over them, and the knob of the tap began slowly to unscrew itself. ”

“ It can’t be the water, nor yet the [Pg 139] wind; maybe it’s a bird, a gull or albatross,’ and I listened very attentively. The sound went on, but it had none of that hardness and sharpness about it that is occasioned by a beak, it was softer and more lingering, more like the tapping of fingers. Every now and then it left off, to go on again, tap, tap, tap, until, at last, it unnerved me to such an extent that I jumped out of my hammock and had a peep to see what it was. To my astonishment I saw a very white face pressed against the porthole, looking in at me. ”

“ But, on the other hand, such a tap produces, when used by hand, more accurate work, the threaded hole being more parallel and of a diameter more nearly equal to that of the tap, it being observed that even though a hand tap have no clearance it will usually tap a hole somewhat larger than itself so that it will unwind easily. ”

“ He did not reply, and again came the half-kindly truce of silence, but only half, for there was still the tapping of her foot. And how varied is that speech! What a world of meaning is in the tapping of a woman’s foot! So the Breton listened, wonderingly to the thoughts that came from the tap, tap, tap on the marble floor. ”

“ The depth of the tapping hole should be made if possible equal to one and a half times the diameter of the tap, so that in case the hole bottoms and the tap cannot pass through, the taper, and what is called in England the second, and in the United States the plug tap, will finish the thread deep enough without employing a third tap, for the labor employed in drilling the hole deeper is less than that necessary to the employment of a third tap. ”

“ As a sample of duty, it may be mentioned that, at the Harris-Corliss Works, a tap of this class, 27⁄8 inches diameter, with a 4 pitch, and 10 inches long, will tap a hole 5 inches deep, passing the tap continuously through without any backing motion, two men performing the duty with a wrench 4 feet long over all, the work being of cast iron. ”

“ I felt my loins grow cold, and a pricking pain about my head; and I gripped my chair with both hands, and waited, and again there came the tapping—tap, tap, tap. I rose and slipped the bolt of the door leading to the other room, and again I waited, and again there came the tapping—tap, tap, tap. Then I opened the heavy outer door, and the wind rushed past me, scattering my papers, and the woman entered in, and I closed the door behind her. She threw her hood back from her head, and unwound a kerchief from about her neck, and laid it on the table. ”

“ For some time I remained silent, looking at Jack, and puffing solemnly at my pipe. In a situation of this kind, or in fact in any situation where one is expected to say something, but doesn't happen to have any thing in particular to say, there's nothing in the world like a pipe. For the human face, when it is graced by a pipe, and when the pipe is being puffed, assumes, somehow, a rare and wonderful expression of profound and solemn thought. ”

“ I had struck a portion of the pipe that had a thread to it, like that which encircles a bolt of iron and makes a screw of it, and the thought came to me that if I could only succeed in giving a revolving motion to my body, I would with every turn twist myself farther down toward the end of the pipe. ”

“ If a long tap is employed to cut a three-quarter full thread, it may be wound continuously down the hole, without requiring to be turned backwards at every revolution or so of the tap, to free it from the tap cuttings or shavings, as would be necessary in case a full thread were being cut. ”

“ Hoisting the small bottle to a convenient height, the tap of the larger bottle is carefully opened, the air passes through the flexible tube to the smaller bottle, exerts its pressure upon the surface of the liquid therein contained, drives it up the other tube, and causes it to impinge with any required degree of force against the disk of the spray-producer. ”

“ Tap′ping, an operation frequently resorted to for the removal of fluid accumulations, particularly in the pleural and peritoneal cavities, consisting in the introduction of one end of a small tube into the cavity and withdrawing the fluid by siphon action, or by means of a vacuum: the act or art of tapping or drawing out fluid ”

“ Did you ever try to split trap-rock with a hammer? You may batter all day at one side and you will only knock off chips, spoil your hammer, and hurt your hands: but, when you have found the right spot, a tap knocks it in pieces. ”

“ From the application of which to the entring of the Air into the bigger hole of the Vessel, and into the smaller hole of the Pipe, we shall clearly find, that there is a greater pressure of the air upon the water in the Vessel or greater pipe, then there is upon that in the lesser pipe: For since the pressure of the air every way is found to be equal, that is, as much as is able to press up and sustain a Cylinder of Quicksilver of two foot and a half high, or thereabouts ”

“ It is delicious, when you are baked and half-choked with the heat in midsummer, to go to the big tap under the wall and receive the cold water on the inside part of the arm, just below the shoulder, allowing it to run down and flow off the finger tips. ”

“ Inspirations are taken through the tube, and the respired air is discharged through a valve half-way between the belt and the mouth-piece. By drawing a long breath through the tube and removing the mouth-piece a simple sentence can be loudly spoken, care being taken not to inhale without first restoring the mouth-piece. The tube is of sufficient length to communicate by one end with the outer air. A newly-emptied vat, of 1,000 barrels capacity, was selected for the scene of the experiment. ”

“ The pipes are of three kinds: (1) a simple valved insufflation tube or “blow-pipe,” by means of which the performer fills the bag reservoir; (2) the “chaunter” (chanter) or the melody-pipe, having according to the variety of the bag-pipe a conical or a cylindrical bore, lateral holes, and in some cases keys and a bell; the “chaunter” is invariably made to speak by means of a double-reed; (3) the “drones,” jointed pipes with cylindrical bore, generally terminating in a bell, but having no lateral holes and being capable, therefore, of producing but one fixed note. ”

“ In practice it is advisable to keep the pump always working, and to regulate the delivery to the boiler by means of a by-pass tap on the feed pipe, through which all or some of the water may be returned direct to the tank. ”

“ Drip, drip, drip. . . .
"A loose washer," I said to myself. "I'll get a plumber tomorrow!"
Rising, I proceeded to the bathroom and turned the tap off so far as I was able. Then I went back to my desk; but barely had I picked up my pen than the sound recommenced.
Drip, drip, drip. . . .
I tried to ignore it; but without success. The very quietness of the building seemed to intensify the noise until to listen to it became painful. ”

“ To make this pump work I of course opened, and left open, the pump-pipe, so that the air from the interior rushed in and filled the tank as fast as the pump discharged the water, and at each stroke of the pump, after the first few, the boat, as I had hoped, began to rise; the water, having been just so much ballast to carry it down, being discharged by the pump, was just so much thrown overboard in weight to allow it to rise. ”

“ The well is lined with wrought-iron tubing, screwed together in sections, and, to prevent water from flowing down the outside of the lining into the well, a water-packer is used, which is essentially a circular piece of leather with the edges cut and turned upward, so that the whole forms a cup about the tube, which is pressed tightly against the sides of the well by the weight of the column of water. ”