US1884279A - Pulp grinding stone - Google Patents

Pulp grinding stone Download PDF

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Publication number
US1884279A
US1884279A US560178A US56017831A US1884279A US 1884279 A US1884279 A US 1884279A US 560178 A US560178 A US 560178A US 56017831 A US56017831 A US 56017831A US 1884279 A US1884279 A US 1884279A
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United States
Prior art keywords
stone
grinding
grinding stone
pipes
body portion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US560178A
Inventor
Hans P Scheel
Jr Hans P Scheel
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Individual
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Individual
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Priority to US560178A priority Critical patent/US1884279A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B24D5/04—Wheels in one piece with reinforcing means

Definitions

  • This invention relates to the construction of grinding stones designed primarily for use in grinding wood pulp.
  • the primary. object of the invention IS the provis onof means whereby warm water or steam may be used to supply or develop the necessary expansion to maintain the stone at a uniform temperature throughout the entire mass during the seasoning or hardening thereof, or may provide means whereby cold water or air may be used to reduce the internal heat in the mass of plastic material during the curing process thereby provid ng a stbone which is exceptionally strong and dur- 1 a le.
  • Figure 1 is a side elevational view of a grinding stone constructed in accordance with the invention.
  • Figure 2 is a longitudinal sectional view through the grinding stone.
  • Figure 3 is a sectional view through the grinding ring of the grinding stone, the remforcing wire being shown as wound spirally over the body portion.
  • the grinding stone comprises a core or body portion indicated by the reference character 5, the same being provided with a central open r ing 6 to receive the shaft, on which the grinding stone is mounted.
  • the grinding stone is constructed of plastic material such as an especially prepared concrete, onstructed for grinding purposes, around wiich the reinforcing wire rings 7, are positioned. As shown in Fig. 2 the rings 7 are arranged in spaced relation to form a series of hoops.
  • the reference character 8 designates the grinding ring of the stone, which is also constructed of an especially prepared plastic material to withstand wear to which the stone is subjected, in grinding pulp. As shown, the reinforcing wire 7 also imbedded in the grinding ring 8, securely anchoring the grinding ring in position.
  • a plural-iy of pipes indicated by the reference character 9 extend longitudinally of the body portion'of the grinding stone, the ends being open to the atmosphere so that water, steam or other liquid may be passed through the pipes, heating or cooling the body portion to a uniform temperature throughout the entire mass.
  • these pipes 9 may be filled with aplastic material, or the pipes may be removed, and the openings filled, thereby providing a solid mass.
  • the reinforcing wire which is indicated by the reference character 10 is wound spirally over the body portion, to increase the strength of the stone.
  • a method of constructing grinding stones consisting in roviding a core of plastic material, embed ing pipes in the core, the ends of the pipes terminating at the side faces of the core, and finally passing a medium through the pipes to change the temperature .of the plastic material as the plastic material is setting In testlmony that we claim the foregoing as our own, we have hereto aflixed our sig- HANS P. SCHEEL. HANS P. SOHEEL, JR.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Description

Oct. 25, 1932- H. P. SCHE'EL ET AL PULP GRINDING STONE Filed Aug. 29, 1931 2 Sheets-Sheet 1 flfidckeel i7. BA'ckeeZ J2 Oct. 25, 1932.
PULP GRINDING STONE Filed Aug. 29. 1931 2 Sheets-Sheet 2 I ll If. P. dcheel 1.7. Rflckeel eff.
finer/Ma a.
awe/WM P. SCHEEL ET AL ,884,279
Patented Oct. 25, 1932. I
UNITED STATES PATENT OFFICE HANS I. SGHEEI. AND HANS P. SCHEEIJ, JR., OF TACOMA, WASHINGTON PULP GRINDING STONE Application filed August 29, 1931. Serial No. 560,178.
This invention relates to the construction of grinding stones designed primarily for use in grinding wood pulp. I
The primary. object of the invention IS the provis onof means whereby warm water or steam may be used to supply or develop the necessary expansion to maintain the stone at a uniform temperature throughout the entire mass during the seasoning or hardening thereof, or may provide means whereby cold water or air may be used to reduce the internal heat in the mass of plastic material during the curing process thereby provid ng a stbone which is exceptionally strong and dur- 1 a le.
V and claimed, itbeingunderstood that changes in the preclse embodiment of the invention.
herein disclosed, may be made within the scope of what is claimed, without departing from the spirit of the invention.
Referring to the drawings:
Figure 1 is a side elevational view of a grinding stone constructed in accordance with the invention. v
Figure 2 is a longitudinal sectional view through the grinding stone.
Figure 3 is a sectional view through the grinding ring of the grinding stone, the remforcing wire being shown as wound spirally over the body portion.
Referring to the drawings in detail, the grinding stone comprises a core or body portion indicated by the reference character 5, the same being provided with a central open r ing 6 to receive the shaft, on which the grinding stone is mounted.
Another object of the invention is to pro- The grinding stone is constructed of plastic material such as an especially prepared concrete, onstructed for grinding purposes, around wiich the reinforcing wire rings 7, are positioned. As shown in Fig. 2 the rings 7 are arranged in spaced relation to form a series of hoops.
The reference character 8'designates the grinding ring of the stone, which is also constructed of an especially prepared plastic material to withstand wear to which the stone is subjected, in grinding pulp. As shown, the reinforcing wire 7 also imbedded in the grinding ring 8, securely anchoring the grinding ring in position.
A plural-iy of pipes indicated by the reference character 9 extend longitudinally of the body portion'of the grinding stone, the ends being open to the atmosphere so that water, steam or other liquid may be passed through the pipes, heating or cooling the body portion to a uniform temperature throughout the entire mass.
Due to the heating of the body portion to a uniform temperature, an exceptionally hard and durable stone is produced which is capable of withstanding more heat than the natural stone now in common use.
After the seasoning of the stone, these pipes 9 may be filled with aplastic material, or the pipes may be removed, and the openings filled, thereby providing a solid mass.
As shown by Figure 3 of the drawings, the reinforcing wire, which is indicated by the reference character 10, is wound spirally over the body portion, to increase the strength of the stone.
It is also to be understood that although the hoops have been shown as constructed of round material, other cross-sectional mater al maybe used.
Should it be desired to maintain the body portion cool, during the setting of the plastic material of which the body portion is con- 90 structed, cold water or air may be forced through the pipes 9.
Having thus described the invention, what is claimed is:
A method of constructing grinding stones, consisting in roviding a core of plastic material, embed ing pipes in the core, the ends of the pipes terminating at the side faces of the core, and finally passing a medium through the pipes to change the temperature .of the plastic material as the plastic material is setting In testlmony that we claim the foregoing as our own, we have hereto aflixed our sig- HANS P. SCHEEL. HANS P. SOHEEL, JR.
5 natures.
US560178A 1931-08-29 1931-08-29 Pulp grinding stone Expired - Lifetime US1884279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US560178A US1884279A (en) 1931-08-29 1931-08-29 Pulp grinding stone

Applications Claiming Priority (1)

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US560178A US1884279A (en) 1931-08-29 1931-08-29 Pulp grinding stone

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US1884279A true US1884279A (en) 1932-10-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873466A (en) * 1954-12-01 1959-02-17 George C Graham Steel wool grinding and polishing wheel
US3101759A (en) * 1960-11-08 1963-08-27 Sterner Ind Inc Bale shredder
US20160158919A1 (en) * 2013-03-26 2016-06-09 Reishauer Ag Grinding wheel and method of reinforcing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873466A (en) * 1954-12-01 1959-02-17 George C Graham Steel wool grinding and polishing wheel
US3101759A (en) * 1960-11-08 1963-08-27 Sterner Ind Inc Bale shredder
US20160158919A1 (en) * 2013-03-26 2016-06-09 Reishauer Ag Grinding wheel and method of reinforcing the same
US9839990B2 (en) * 2013-03-26 2017-12-12 Reishauer Ag Grinding wheel and method of reinforcing the same

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