FR2446158A1 - Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage - Google Patents

Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage

Info

Publication number
FR2446158A1
FR2446158A1 FR7900782A FR7900782A FR2446158A1 FR 2446158 A1 FR2446158 A1 FR 2446158A1 FR 7900782 A FR7900782 A FR 7900782A FR 7900782 A FR7900782 A FR 7900782A FR 2446158 A1 FR2446158 A1 FR 2446158A1
Authority
FR
France
Prior art keywords
cuts
metal ring
beam end
type hard
prevent longitudinal
Prior art date
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.)
Granted
Application number
FR7900782A
Other languages
English (en)
French (fr)
Other versions
FR2446158B1 (sh
Inventor
Guglielmo Giordano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NORD LEGNAMI SpA
Original Assignee
NORD LEGNAMI SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DE19792900727 priority Critical patent/DE2900727A1/de
Application filed by NORD LEGNAMI SpA filed Critical NORD LEGNAMI SpA
Priority to FR7900782A priority patent/FR2446158A1/fr
Publication of FR2446158A1 publication Critical patent/FR2446158A1/fr
Application granted granted Critical
Publication of FR2446158B1 publication Critical patent/FR2446158B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/14—Manufacture or reconditioning of specific semi-finished or finished articles of railroad sleepers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
FR7900782A 1979-01-10 1979-01-12 Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage Granted FR2446158A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19792900727 DE2900727A1 (de) 1979-01-10 1979-01-10 Verfahren zur bearbeitung der stirnseiten von balken aus hartholz, insbesondere von eisenbahnschwellen, mit rechteckfoermigem querschnitt zur vermeidung von rissbildungen auf grund innerer spannungen und auf grund des schwindens bei der trocknung
FR7900782A FR2446158A1 (fr) 1979-01-10 1979-01-12 Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792900727 DE2900727A1 (de) 1979-01-10 1979-01-10 Verfahren zur bearbeitung der stirnseiten von balken aus hartholz, insbesondere von eisenbahnschwellen, mit rechteckfoermigem querschnitt zur vermeidung von rissbildungen auf grund innerer spannungen und auf grund des schwindens bei der trocknung
FR7900782A FR2446158A1 (fr) 1979-01-10 1979-01-12 Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage

Publications (2)

Publication Number Publication Date
FR2446158A1 true FR2446158A1 (fr) 1980-08-08
FR2446158B1 FR2446158B1 (sh) 1984-11-16

Family

ID=25777354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7900782A Granted FR2446158A1 (fr) 1979-01-10 1979-01-12 Procede de traitement des tetes de traverses de chemin de fer ou autres poutres a section rectangulaire en bois durs, destine a eviter les fissurations dues a des tensions internes et au retrait du au sechage

Country Status (2)

Country Link
DE (1) DE2900727A1 (sh)
FR (1) FR2446158A1 (sh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1208255A (en) * 1915-01-22 1916-12-12 William Erastus Williams Antisplit device for wood railway-ties.
US2273508A (en) * 1940-06-14 1942-02-17 Raymond E Beegle Antisplitting iron
US2273507A (en) * 1940-06-14 1942-02-17 Raymond E Beegle Antisplitting device
FR967266A (fr) * 1948-05-26 1950-10-30 Metallurg De L Escaut Soc Nouveau procédé de frettage des traverses de chemins de fer dans les chantiers de finissage et machine pour sa mise en oeuvre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1208255A (en) * 1915-01-22 1916-12-12 William Erastus Williams Antisplit device for wood railway-ties.
US2273508A (en) * 1940-06-14 1942-02-17 Raymond E Beegle Antisplitting iron
US2273507A (en) * 1940-06-14 1942-02-17 Raymond E Beegle Antisplitting device
FR967266A (fr) * 1948-05-26 1950-10-30 Metallurg De L Escaut Soc Nouveau procédé de frettage des traverses de chemins de fer dans les chantiers de finissage et machine pour sa mise en oeuvre

Also Published As

Publication number Publication date
DE2900727A1 (de) 1980-07-24
FR2446158B1 (sh) 1984-11-16

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse