CA967534A - Railroad frogs - Google Patents
Railroad frogsInfo
- Publication number
- CA967534A CA967534A CA168,076A CA168076A CA967534A CA 967534 A CA967534 A CA 967534A CA 168076 A CA168076 A CA 168076A CA 967534 A CA967534 A CA 967534A
- Authority
- CA
- Canada
- Prior art keywords
- railroad frogs
- frogs
- railroad
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/12—Fixed frogs made of one part or composite
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25037172A | 1972-05-04 | 1972-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA967534A true CA967534A (en) | 1975-05-13 |
Family
ID=22947453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA168,076A Expired CA967534A (en) | 1972-05-04 | 1973-04-06 | Railroad frogs |
Country Status (2)
Country | Link |
---|---|
US (1) | US3764802A (en) |
CA (1) | CA967534A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976239A (en) * | 1973-06-27 | 1976-08-24 | Elektro-Thermit Gmbh | Process for reconditioning worn frogs |
US5527005A (en) * | 1994-11-15 | 1996-06-18 | Union Switch & Signal Inc. | Swing nose frog switch point adjuster |
DE10311113A1 (en) * | 2003-03-12 | 2004-09-23 | Bwg Gmbh & Co. Kg | Rail frog, has groove intersection region provided in replaceable insert held in place by wedges |
US7261259B2 (en) * | 2004-10-15 | 2007-08-28 | Little Michael R | Flared railway frog |
HUP1400048A2 (en) * | 2014-02-03 | 2015-08-28 | Palya Szintvonal Tervezoe Es Szolgaltato Kft | Common crossing for railroad switch |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3521053A (en) * | 1968-06-10 | 1970-07-21 | Pintsch Bamag Ag | Crossing frogs for rails of railroad track and the like |
AT295577B (en) * | 1969-07-02 | 1972-01-10 | Elektro Thermit Gmbh | Switch or crossing with a rigid centerpiece and rigid wing rails |
-
1972
- 1972-05-04 US US00250371A patent/US3764802A/en not_active Expired - Lifetime
-
1973
- 1973-04-06 CA CA168,076A patent/CA967534A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3764802A (en) | 1973-10-09 |
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