BE518363A - - Google Patents
Info
- Publication number
- BE518363A BE518363A BE518363DA BE518363A BE 518363 A BE518363 A BE 518363A BE 518363D A BE518363D A BE 518363DA BE 518363 A BE518363 A BE 518363A
- Authority
- BE
- Belgium
- Prior art keywords
- head
- boards
- wood
- screws
- screw
- Prior art date
Links
- 239000002023 wood Substances 0.000 description 5
- 238000009416 shuttering Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/10—Screws or bolts for sleepers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/042—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/048—Non-releasable devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
VIS DE SERRAGE POUR LA FIXATION DE COFFRAGES FORMES PAR DES PLANCHES. Depuis longtemps les vis de serrage sont utilisées pour la fixation des planches de coffrages et elles sont utilisées également pour les wagons de marchandises. Cependant, lorsque l'on considère les formes existantes des vis de serrage, on peut constater qu'elles présentent certains désavanta- <EMI ID=1.1> rectangulaire dont les deux cotés étroits sont munis de bords coupants, de pointes ou similaires qui pénètrent dans le bois et qui servent à assembler deux planches de bois du fait que les vis de serrage sont disposées entre ou à cbté des fentes de deux planches de bois voisines. Cependant, cette forme donnée à la tête présente le désavantage que lorsque le bois utilisé n'est pas encore sec avant la montage il se contracte et, étant donné que les plan- <EMI ID=2.1> tés attaqués par les bords coupants. De ce fait, le bois perd son étanchéité et se décompose prématurément. La présente invention propose donc des vis à tête, munies seulement d'un coté d'un bord coupant, de pointes ou similaires, Les figs. 1 et 2 représentent de telles vis de serrage. De manière connue, la tète et la tige de la vis peuvent âtre exécutées, soit d'une seule pièce, soit en deux parties. La fig. 3 montre la fixation des planches 2 sur le montant 3 au moyen des vis de serrage 1. Des dessins il ressort que le bord coupant 4 ne pénètre que dans une seule planche, tandis que l'autre <EMI ID=3.1> bois, sans que le bois puisse se fissurer, comme c'était le cas jusqu'à pré- <EMI ID=4.1> des vis donnent une possibilité suffisante pour serrer et pour desserrer les écrous sans que la tète de la vis tourne. REVENDICATIONS. 1. - Vis de serrage pour la fixation des planches de coffrages, caractérisée en ce que la tête de la vis, servant à assembler deux planches voisines, n'est munie que d'un seul bord coupant ou similaire, de manière que seule une planche est fixée dans sa position tandis que l'autre planche peut se déplacer sous la tête de la vis.
Claims (1)
- 2.- Vis de serrage suivant la revendication 1, caractérisé en ce qu'elle est exécutée en deux parties.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE311454X | 1952-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518363A true BE518363A (fr) | 1953-03-31 |
Family
ID=6129877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518363D BE518363A (fr) | 1952-09-09 | 1953-03-12 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE518363A (fr) |
| CH (1) | CH311454A (fr) |
| FR (1) | FR1077697A (fr) |
| NL (1) | NL177060B (fr) |
-
1953
- 1953-03-05 CH CH311454D patent/CH311454A/de unknown
- 1953-03-12 BE BE518363D patent/BE518363A/fr unknown
- 1953-03-23 NL NLAANVRAGE7416221,A patent/NL177060B/xx not_active IP Right Cessation
- 1953-04-10 FR FR1077697D patent/FR1077697A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH311454A (de) | 1955-11-30 |
| NL177060B (nl) | 1958-04-15 |
| FR1077697A (fr) | 1954-11-10 |
| NL89038C (fr) | 1958-09-15 |
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