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A loose flange should next be slipped over the projecting end of the lead pipe, to which it should be soldered, and the flanges should both be nailed to the timber with scupper nails, white lead having been previously spread underneath.
These flanges are indented into thickened parts of the discs, and are each attached to its corresponding disc by six bolts 2 inches diameter, countersunk in the back of the disc, and tapped into the malleable iron flange. Besides this attachment, each end of the pin, reduced to 4-1/2 inches diameter, passes through a hole in its corresponding disc, and the ends of the pin are then riveted over.
From simple timber-rails men soon advanced to planks having a strip of iron nailed on their surface to prevent too rapid tear and wear, but it was not till the year 1767 that cast-iron rails were introduced. In order to prevent the trucks from slipping off the line the rails were cast with an upright flange or guide at one side, and were laid on wooden or stone sleepers.
The diner was dropped about thirty miles back. Broken flange of one wheel and no time, of course, to put on a new wheel." "Goodness!" exclaimed Betty. "I begin to feel hungry already." "Of course, we'll pick up another diner?" asked Libbie, though rather doubtfully. "We'll hope so!" Bobby cried. "If we get through to Tonawanda, yes," said Tommy Tucker. "That's what the porter told me.
Singer's original wheel feeder was actuated by a friction shoe riding upon the flange of the wheel. The friction grip, however, had certain faults, owing to the tendency of the shoe to slip when the surfaces became covered with oil. A later form of Howe's machine used a pair of angular clutches, embracing the flange of the wheel.
The ring is half checked in the direction of its depth, and is introduced without any other support to keep the halves together, than what is afforded by the interior of the stuffing box; and the flange is half checked in the direction of its thickness, so that the bolts which press down the ring by passing through this half-checked part, also keep the segments of the flange together.
The flange that covers the entrance to the exhaust base is taken off and a man goes in with the horseshoe-shaped shim and an electric light. Other men take a long-handled wrench and turn up the step-screw until the man inside the base can push the horseshoe shim between the shoulder on the shaft and the guide-bearing casing.
The horseman tried the turn again, throwing his weight over. This time he did feel a slightly perceptible "give." "What's the remedy?" he asked. "Build up the outer flange of the shoe. That may do it. But I shouldn't trust him without a thorough test. A good pony'll always overplay his safety a little in a close match." The implication of this expert view aroused Densmore's curiosity.
This species of packing answers very well when the parallel motion is true, and the piston rod free from scratches, and it accomplishes a material saving of tallow. In some cases a piece of sheet brass, packed behind with hemp, has been introduced with good effect, a flange being turned over on the under edge of the brass to prevent it from slipping up or down with the motion of the rod.
In some cases a continuous flange is provided on both bed and cylinder, and a number of bolts inserted all the way round. This, however, is unnecessary, and has a somewhat clumsy appearance. When these bolts are tightened up, the cylinder and liner are clamped firmly to the bed; but the liner being free at the open end, can expand longitudinally without causing stresses in the cylinder casting.
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