FR891281A - Improvements to locking devices to immobilize lag bolts - Google Patents
Improvements to locking devices to immobilize lag boltsInfo
- Publication number
- FR891281A FR891281A FR891281DA FR891281A FR 891281 A FR891281 A FR 891281A FR 891281D A FR891281D A FR 891281DA FR 891281 A FR891281 A FR 891281A
- Authority
- FR
- France
- Prior art keywords
- immobilize
- locking devices
- lag bolts
- lag
- bolts
- 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.)
- Expired
Links
Classifications
-
- 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
- F16B37/12—Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
- F16B37/122—Threaded inserts, e.g. "rampa bolts"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
-
- 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
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
-
- 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
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
- E01B9/16—Plugs, sleeves, thread linings, or other inserts for holes in sleepers for wooden sleepers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE245308X | 1943-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR891281A true FR891281A (en) | 1944-03-02 |
Family
ID=3866487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR891281D Expired FR891281A (en) | 1943-01-27 | 1943-02-18 | Improvements to locking devices to immobilize lag bolts |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE448927A (en) |
CH (1) | CH245308A (en) |
FR (1) | FR891281A (en) |
NL (1) | NL62604C (en) |
-
0
- BE BE448927D patent/BE448927A/xx unknown
- NL NL62604D patent/NL62604C/xx active
-
1943
- 1943-02-18 FR FR891281D patent/FR891281A/en not_active Expired
- 1943-02-23 CH CH245308D patent/CH245308A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE448927A (en) | |
CH245308A (en) | 1946-11-15 |
NL62604C (en) |
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