USRE9110E - Machine for separating the fibers of wood for paper-pulp - Google Patents

Description

P. & G. 0'. ROSE. i Maohinelforrfleparating the Fibers of Wood for Pa per 'Pulp,

No. 9,110, Reissued Mar 9,1880.

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UNITED STATES PATENT OFFICE. 4

PELEG ROSE AND GEORGE C. ROSE, OF NORWICH, CONNECTICUT.

MACHINE FOR SEPARATING THE FIBERS 0F WOOD FOR PAPER-PULP.

SPECIFICATION forming part of Reissued Letters Patent No. 9,110, dated March 9, 1880.

Original No. 207,553, dated August 27, 1878. Application for reissue filed December 17, 1878.

To all whom it may concern Be it known that we, PELEG ROSE and GEO. C. ROSE, of Norwich, in the county of New London and State of Connecticut, have invented certain new and useful Improvements in Machines for Separating the Fibers of Wood for Paper-Pulp; and we do hereby declare that the following is a full, clear, and exact description of the invention, that will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification, and in which- Figure 1 is a perspective view, and Fig. 2 'a longitudinal vertical section.

This invention relates to that class of machines constructed for the purpose of preparing from wood a fibrous pulp to be used in the manufacture of paper; and the novelty consists in the construction of a revolving cylinder carrying spiral scrapers, arranged in relation to a feed-chute and a follower with operatingmechanism, as will be more fully hereinafter set forth.

Referring to the drawings, A represents a suitably-constructed box or hopper, at one end of which is arranged a shaft, b, carrying a cylinder, B, which fits between the sides a a of the box, and adapted to revolve therein.

Upon the cylinder'B are arranged a series of spiral scrapers, B B,having sharp edges, and of a construction generally resembling ordinary tools for scraping wood. The spiral form gives a drawing out, and prevents jerking as the scrapers engage or let go of the Wood. These spiral scrapers are arranged any desired distance apart, and are secured to the cylinder in any proper manner.

D represents the follower in the box A, operated by a hand-screw, as shown. I) represents a power-pulley.

To separate the fibers of wood in the manufacture of paper-pulp, rotary motion is imparted to the shaft B. The block of wood is 5 Suitable proclass of machines to feed the wood to the'stone 5 5 or scrapersv iz., such as feeding-rolls, racks, and pulleys operated by weights, and rods operated by spriug-ratchets; but to these we lay no claim, as the fiber can be better regulated as to fineness by the construction herein shown and described.

What we claim as new, and desire to secure by Letters Patent, is

1. In a wood-fiber-separating machine, the

cylinder B, provided with a series of spirallyarranged scrapers, B B, adapted to give a drawing scrape upon the wood without jerking, in combination with a feeding-chute for feeding the block and feeding mechanism operated at will, as herein set forth.

2. In a wood-fiber-separating machine, the cylinder B, provided with a series of scrapers, B B, in combination with a holding and feeding chute, A, for holding the block and feed mechanism operated by hand to press the bil- 7 let of wood against the scrapers, as specified.

3. In a wood-fiber-separating machine, the combination, with the rotary cylinder B, having scrapers B B, of the follower D, operated by the hand-screw, substantially as specified.

In testimony that we claim the foregoing we have hereunto set our hands this 13th day of December, 1878.

PELEG ROSE.

. GEORGE C. ROSE.

Witnesses:

LUGIUS BROWN, J OAB B. ROGERS-

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