BE722480A - - Google Patents
Info
- Publication number
- BE722480A BE722480A BE722480DA BE722480A BE 722480 A BE722480 A BE 722480A BE 722480D A BE722480D A BE 722480DA BE 722480 A BE722480 A BE 722480A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/087—Connections between rungs or treads and longitudinal members with a connecting piece installed around the rung
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Forging (AREA)
- Table Devices Or Equipment (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68104567A | 1967-10-19 | 1967-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722480A true BE722480A (xx) | 1969-04-01 |
Family
ID=24733576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722480D BE722480A (xx) | 1967-10-19 | 1968-10-17 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3528525A (xx) |
| JP (1) | JPS4811428B1 (xx) |
| AT (1) | AT311183B (xx) |
| BE (1) | BE722480A (xx) |
| BR (1) | BR6803274D0 (xx) |
| CH (1) | CH491280A (xx) |
| DE (1) | DE6802927U (xx) |
| DK (1) | DK150663C (xx) |
| ES (2) | ES160114Y (xx) |
| FR (1) | FR1587514A (xx) |
| GB (1) | GB1194137A (xx) |
| IE (1) | IE32328B1 (xx) |
| LU (1) | LU56850A1 (xx) |
| NL (1) | NL154576B (xx) |
| SE (1) | SE355627B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244760A (en) * | 1977-09-21 | 1981-01-13 | Smith Francis C | Fixing of ends of wood or reinforced plastic rungs into pultruded fibreglass reinforced plastic extension ladder stiles without the use of metal |
| FR2472072A1 (fr) * | 1979-12-21 | 1981-06-26 | Gubri Sa Ets L | Perfectionnements apportes aux articles ou produits du genre des echelles et a leurs procedes de fabrication |
| GB2127327B (en) * | 1982-08-20 | 1986-04-30 | Alton Systems Limited | An antiskid surface treatment for use on scaffolding components |
| US4656721A (en) * | 1984-11-19 | 1987-04-14 | R. D. Werner Co., Inc. | Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements |
| FR2743317B1 (fr) | 1996-01-10 | 1998-03-20 | Vallourec Vitry | Procede pour l'emmanchement en croix d'une piece au moins localement cylindrique dans une piece tubulaire, outillage propre a la mise en oeuvre de ce procede, et ensemble de deux pieces emmanchees en croix suivant celui-ci |
| US20050272515A1 (en) * | 2004-06-04 | 2005-12-08 | Standard Golf Company | Golf flagstick assembly and method of joining |
| US20210198944A1 (en) * | 2019-12-27 | 2021-07-01 | Werner Co. | Extension Ladder with Groove Box Rails and Method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1943631A (en) * | 1929-07-05 | 1934-01-16 | O & S Bearing Company | Method of forming a connecting unit for shock absorbers and the like |
| US3039186A (en) * | 1957-08-06 | 1962-06-19 | Werner Co Inc R D | Method of forming a joint between the rail and rung of a ladder |
| US3119435A (en) * | 1961-08-11 | 1964-01-28 | Greenman Murry | Apparatus for connecting presemiflanged rungs to preapertured spaced ladder rails |
| US3354987A (en) * | 1965-09-16 | 1967-11-28 | Werner Co Inc R D | Ladders |
-
1967
- 1967-10-19 US US681045A patent/US3528525A/en not_active Expired - Lifetime
-
1968
- 1968-09-09 LU LU56850D patent/LU56850A1/xx unknown
- 1968-09-10 IE IE1090/68A patent/IE32328B1/xx unknown
- 1968-09-13 GB GB43582/68A patent/GB1194137A/en not_active Expired
- 1968-09-30 CH CH1456868A patent/CH491280A/de not_active IP Right Cessation
- 1968-10-02 SE SE13311/68A patent/SE355627B/xx unknown
- 1968-10-04 ES ES1968160114U patent/ES160114Y/es not_active Expired
- 1968-10-15 FR FR1587514D patent/FR1587514A/fr not_active Expired
- 1968-10-17 BE BE722480D patent/BE722480A/xx not_active IP Right Cessation
- 1968-10-17 JP JP43075338A patent/JPS4811428B1/ja active Pending
- 1968-10-17 AT AT1016668A patent/AT311183B/de active
- 1968-10-18 DK DK503468A patent/DK150663C/da not_active IP Right Cessation
- 1968-10-18 DE DE6802927U patent/DE6802927U/de not_active Expired
- 1968-10-18 BR BR203274/68A patent/BR6803274D0/pt unknown
- 1968-10-21 NL NL686815014A patent/NL154576B/xx not_active IP Right Cessation
-
1969
- 1969-12-22 ES ES374807A patent/ES374807A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES160114Y (es) | 1971-05-16 |
| ES374807A1 (es) | 1972-01-16 |
| DE1803918A1 (de) | 1969-06-26 |
| AT311183B (de) | 1973-11-12 |
| BR6803274D0 (pt) | 1973-03-08 |
| ES160114U (es) | 1971-01-01 |
| NL154576B (nl) | 1977-09-15 |
| SE355627B (xx) | 1973-04-30 |
| IE32328L (en) | 1969-04-19 |
| DE6802927U (de) | 1969-02-27 |
| US3528525A (en) | 1970-09-15 |
| JPS4811428B1 (xx) | 1973-04-13 |
| IE32328B1 (en) | 1973-06-27 |
| DK150663B (da) | 1987-05-18 |
| GB1194137A (en) | 1970-06-10 |
| NL6815014A (xx) | 1969-04-22 |
| FR1587514A (xx) | 1970-03-20 |
| CH491280A (de) | 1970-05-31 |
| DK150663C (da) | 1987-09-28 |
| LU56850A1 (xx) | 1968-12-17 |
| DE1803918B2 (de) | 1976-04-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: R.D. WERNER CO. INC. Effective date: 19881017 |