US1644801A - Maatschappij ago - Google Patents

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Publication number
US1644801A
US1644801A US1644801DA US1644801A US 1644801 A US1644801 A US 1644801A US 1644801D A US1644801D A US 1644801DA US 1644801 A US1644801 A US 1644801A
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United States
Prior art keywords
wood
mold
pressure
ago
maatschappij
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor

Definitions

  • MAATSCI-IAPPIJ AGO, or TEE arer, nnrnsarnnns.
  • My. invention consists in a method of compressing wood, the method being practised in such a way, that the'compressio'n pressure is exerted uniformly and simultaneously on a number of sides of the wood substantially perpendicular to the length of the fibre.
  • moldsflare used, which are so adjusted that the pressures occurring: in one direction release the pressure 10 effect in the still necessary other direction.
  • the compression can-be carried to extreme limits, and if the pressure is eX- erted as. above stated, the lengths of the fibres .are causedto approach one another 1 without being bent or otherwise distorted.
  • the wood can even below grade, its measurements being determined according to the determined according to the kind of wood used, its moisture content, and the use for which the product is intended. As the heating is done, as long as the wood is under pressure, the heating can be carried much further than is ordinarily done, and the wood becomes visibly horny.
  • the pressed wood is especially suited as a material for the production of shuttles for the textile industry, showing a far greater hardness, tensile strength, etc., than molded pieces produced by previously known methods. It can be cut, turned or worked upon in any other way without any further'mechanical or other intermediate treatment.
  • Figs. 1 and 2 show the open mold respectively in end and side elevation prior to compression
  • Figs. 3 and 4 respectively show the closed mold after the compression.
  • the mold comprises members 1 .and 2, which are placed on opposite sides of the cut piece of wood 3 to be compressed.
  • the inner walls of the mold members are bevelled toward the outside as indicated at 4 and 5, formingguide' surfaces for the lateral parts 6 and 7 of the mold.
  • I i 2 The piece of wood is cut so that it corresponds to the cross-sectional shape of the mold, its compression being determined by the final position of the partsof the mold. After'the placing of the wood into the mold, the same is subjected to opposing perpendicular pressures on the parts 1 and 2.
  • the parts 6 and 7 will then automatically cause a pressure effect perpendicular to the first mentioned pressure, whereby a homogeneously compressed piece of wood is attained.
  • a method of compressing wood which consists in first cutting the wood into pieces of a size corresponding to the finished prod uct and'determined by the moisture content of the wood and the desired density of the finished product, then compressing the said pieces by means acting simultaneously transversely of the grain in at least two directions at substantially right angles to each other and toward the center of the piece to a point where, the woods cells are disintegrated while avoiding any'pressure in or parallel to the fibers.
  • a method of compressing wood which consists firstcutting the wood into pieces of a size corresponding to the-finished productrzmd determined by the moisture content of the Wood and the desired density of the finished product, then compressing the said pieces by nl'eans acting spurdt'aneously trans versely 0f the grain in" at least two directions at substanially right angles to each other and toward the center of the piece to a point Where the Wood cells are disintegrated, While avoiding any pressure in or 10 parallel to the fibers, and heating the Wood While nmint'ainin'g it under pressure:

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
US1644801D Maatschappij ago Expired - Lifetime US1644801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL19508T

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US1644801A true US1644801A (en) 1927-10-11

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US1644801D Expired - Lifetime US1644801A (en) Maatschappij ago

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US (1) US1644801A (cs)
NL (1) NL19508C (cs)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433271A (en) * 1944-05-13 1947-12-23 Owens Corning Fiberglass Corp Method of forming parallel glass fiber filter units
US2541544A (en) * 1946-07-19 1951-02-13 Valiton Richardson Inc Compressing machine having two pivoted dies closed by reciprocating mount for third die
US2586308A (en) * 1948-06-02 1952-02-19 Curtis John Ross Method of making shuttle blocks
DE902442C (de) * 1944-12-15 1954-02-08 Fritz Baenninger Verfahren zur Herstellung von Holzstaeben, insbesondere fuer Angelruten
US3624233A (en) * 1968-05-23 1971-11-30 Marcel Goulet Method to improve the impregnation of wood
US3950577A (en) * 1973-11-07 1976-04-13 Koppers Company, Inc. Compression impregnation of wood veneers
US4428410A (en) 1980-10-30 1984-01-31 Ab Nils Darje Method for compressing wooden elements
US5247975A (en) * 1989-12-25 1993-09-28 Hisaka Works Limited Wood treating method and apparatus
US5279691A (en) * 1989-11-17 1994-01-18 South Australian Timber Corporation Method for forming a natural wood strand bundle for a reconsolidated wood product
US5685353A (en) * 1993-05-18 1997-11-11 Valtion Teknillinen Tutkimuskeskus Method for compressive shape-drying of wood
US5697414A (en) * 1995-05-09 1997-12-16 Mississippi State University Method for preventing and/or controlling staining in lumber, apparatus therefore and non-stained lumber
US5904194A (en) * 1995-07-07 1999-05-18 Castwall; Lennart Method for producing a hard wood element
US6047751A (en) * 1998-03-11 2000-04-11 An; Sun-Tae Method and apparatus for increasing the hardness and intensity of wood
US20080308184A1 (en) * 2007-06-15 2008-12-18 Gill William H Apparatus for hardening the head area of a wooden baseball bat

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433271A (en) * 1944-05-13 1947-12-23 Owens Corning Fiberglass Corp Method of forming parallel glass fiber filter units
DE902442C (de) * 1944-12-15 1954-02-08 Fritz Baenninger Verfahren zur Herstellung von Holzstaeben, insbesondere fuer Angelruten
US2541544A (en) * 1946-07-19 1951-02-13 Valiton Richardson Inc Compressing machine having two pivoted dies closed by reciprocating mount for third die
US2586308A (en) * 1948-06-02 1952-02-19 Curtis John Ross Method of making shuttle blocks
US3624233A (en) * 1968-05-23 1971-11-30 Marcel Goulet Method to improve the impregnation of wood
US3950577A (en) * 1973-11-07 1976-04-13 Koppers Company, Inc. Compression impregnation of wood veneers
US4428410A (en) 1980-10-30 1984-01-31 Ab Nils Darje Method for compressing wooden elements
US5279691A (en) * 1989-11-17 1994-01-18 South Australian Timber Corporation Method for forming a natural wood strand bundle for a reconsolidated wood product
US5247975A (en) * 1989-12-25 1993-09-28 Hisaka Works Limited Wood treating method and apparatus
US5343913A (en) * 1989-12-25 1994-09-06 Hisaka Works Limited Wood treating method and apparatus
US5685353A (en) * 1993-05-18 1997-11-11 Valtion Teknillinen Tutkimuskeskus Method for compressive shape-drying of wood
US5697414A (en) * 1995-05-09 1997-12-16 Mississippi State University Method for preventing and/or controlling staining in lumber, apparatus therefore and non-stained lumber
US5904194A (en) * 1995-07-07 1999-05-18 Castwall; Lennart Method for producing a hard wood element
US6047751A (en) * 1998-03-11 2000-04-11 An; Sun-Tae Method and apparatus for increasing the hardness and intensity of wood
US20080308184A1 (en) * 2007-06-15 2008-12-18 Gill William H Apparatus for hardening the head area of a wooden baseball bat
US7841372B2 (en) 2007-06-15 2010-11-30 Gill William H Apparatus for hardening the head area of a wooden baseball bat

Also Published As

Publication number Publication date
NL19508C (cs)

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