US1630430A - Sieve plate for screw presses - Google Patents

Sieve plate for screw presses Download PDF

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Publication number
US1630430A
US1630430A US102286A US10228626A US1630430A US 1630430 A US1630430 A US 1630430A US 102286 A US102286 A US 102286A US 10228626 A US10228626 A US 10228626A US 1630430 A US1630430 A US 1630430A
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sieve plate
screw
screw presses
sieve
section
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Expired - Lifetime
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US102286A
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Holter Kristian
Qviller Olaf
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing

Definitions

  • Screw presses for removing water from cellulose and other aqueous substances in a pasty or pulp-like form are afliicted with the drawback that the pulp layer located '1 7 or covering located next to thefsieve plate resulting in turn in the possibility of pressing out water from the inner part of the pulp layer.
  • thelast portion of the sieve plate is constructedwith an'increased circumference, whereby the tight pulp layer adhering to :the sieve plate is divided or broken upan'd channels are formed through which water from the inner portions of the pulp can be pressed out and be conducted through the sieve perforations.
  • Figures 1, 2, 3, 5 and 6 show the lastportion of the screw press in longitudinal section in five different forms.
  • Figure 4 is a cross section on the line IVIV of Figure 3. Similar reference numbers have the sanie meaning in all figures. I p
  • the press screw 1 is surrounded by the cylindrical sieve plate 2, which is in turn spacedly surrounded by the outer casing 3. 5 is the outlet compartment. Between the outlet 5 and the point, where the screw 1 terminates, the sieve plate end and the outlet is imade with 102,286, and in; Norway February 2 is continuedvin the forniof annular portions the diameter of whlch lncreases in steps as shownat 4. r
  • Figure 5 shows a construction 'representing a border case of theiconstructionindicated in Figure 2.
  • the tapered portion 4 of the sieve plate is made i of a plane disc. 1;
  • Claim r a In a screw press for removing water. from aqueous substances, pulps etc., theicombina tion of a screw, a sieve platesurrounding the screw having an outlet end, said sieve v plate in a one adjacent to the outlet being made with a polygonal cross section, where- 5 as the other part of the sieve plate is made circular in cross section.

Description

K. HOLTER ET AL SIEVE PLATE FOR SCREW PRESSES Filed April 1926 May 31, 1927.- 1,630,430
I n I 1/ I 1, m I I Patented May "31, 1927.
UNITED s rArEs PATENT KRISTIANfHOLTER 4ND OLAF QVILLER, 0F OLSO, NORWAY;
SIEVE IVPLATE FOR SCREW rmissns.
Application filed April 15, 1926, Serial No.
Screw presses for removing water from cellulose and other aqueous substances in a pasty or pulp-like form are afliicted with the drawback that the pulp layer located '1 7 or covering located next to thefsieve plate resulting in turn in the possibility of pressing out water from the inner part of the pulp layer. i
According to the invention thelast portion of the sieve plate, either in the proximity of or beyond the point, where the screw. terminates is constructedwith an'increased circumference, whereby the tight pulp layer adhering to :the sieve plate is divided or broken upan'd channels are formed through which water from the inner portions of the pulp can be pressed out and be conducted through the sieve perforations.
'In the drawing some constructional forms of the invention are illustrated. Figures 1, 2, 3, 5 and 6 show the lastportion of the screw press in longitudinal section in five different forms. Figure 4 is a cross section on the line IVIV of Figure 3. Similar reference numbers have the sanie meaning in all figures. I p
"Referring to Figure 1, the press screw 1 is surrounded by the cylindrical sieve plate 2, which is in turn spacedly surrounded by the outer casing 3. 5 is the outlet compartment. Between the outlet 5 and the point, where the screw 1 terminates, the sieve plate end and the outlet is imade with 102,286, and in; Norway February 2 is continuedvin the forniof annular portions the diameter of whlch lncreases in steps as shownat 4. r
Q g Figure 2 the widened'extension of the sieve plate ismade 'bymeansof an outwardly v tapering'section 4: with perforations. K Y Figures 3-and 4:; illustrate'a third construetional form. As will be se'en,the portion 4 i of the sieve plate'located between the screw cross section instead of a; circular cylindrical section, whereby 'thesamenresu'lt is obtained'. I
Figure 5 shows a construction 'representing a border case of theiconstructionindicated in Figure 2. The tapered portion 4 of the sieve plate is made i of a plane disc. 1;
-According to Figure 6 the'screw' is not terminated at the point where tl'1e. widening of the cross section commences but it continues through the extended portion 4 with decreasing diameter, thus in'eflect still furit ther enhancing the cross sectional area of the outlet. a
Claim: r a In a screw press for removing water. from aqueous substances, pulps etc., theicombina tion of a screw, a sieve platesurrounding the screw having an outlet end, said sieve v plate in a one adjacent to the outlet being made with a polygonal cross section, where- 5 as the other part of the sieve plate is made circular in cross section. i '7 I In testimony whereof we have signed our 7 names to this specification.
KRISTIAN HoLTER. OLAF. QVILLER.
FF! i a Square 1 55 r f Y 7 with an apex-ani y gle qua l to l, consequently inthe form 60
US102286A 1926-02-02 1926-04-15 Sieve plate for screw presses Expired - Lifetime US1630430A (en)

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NO1630430X 1926-02-02

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US1630430A true US1630430A (en) 1927-05-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587997A (en) * 1949-10-07 1952-03-04 Herbert W Guettler Double-acting plunger press
US3084620A (en) * 1960-02-25 1963-04-09 Lloyd O Gibbons Crop wafering machine
US3357345A (en) * 1965-02-02 1967-12-12 Rice Barton Corp Apparatus for liquid removal
FR2543487A2 (en) * 1983-03-28 1984-10-05 Somavi SCREW PRESS

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587997A (en) * 1949-10-07 1952-03-04 Herbert W Guettler Double-acting plunger press
US3084620A (en) * 1960-02-25 1963-04-09 Lloyd O Gibbons Crop wafering machine
US3357345A (en) * 1965-02-02 1967-12-12 Rice Barton Corp Apparatus for liquid removal
FR2543487A2 (en) * 1983-03-28 1984-10-05 Somavi SCREW PRESS
DE3321469A1 (en) * 1983-03-28 1984-10-11 Société S.O.M.A.V.I., Florensac SCREW PRESS
US4498382A (en) * 1983-03-28 1985-02-12 Societe S.O.M.A.V.I. Screw press for grape crop

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