IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Air Hose: Couplings with Two-Bead Crimped Ferrules
A rubber hose becomes an air hose when couplings are fixed to its ends. John Keenan's fitting (US 4,453,746, 1984, for railway airbrake hoses) has a stem with a stop flange, ridges and a bulbous tip; a ferrule is crimped over it in two beads, the second ending at the bulb's widest point and flaring out so it cannot cut the hose. If a ferrule fails in the field, a band clamp over the ridged recess holds the hose without the crimping machine.
The patent gives no sizes or materials. The picture: the patent's Fig. 3.
Àárín
1 hour
Ìlànà
1
1
Cut the hose to length
Cut the hose to length
Ours: cut the rubber hose square to the length needed.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ọ̀pá-omi rọ́bà alágbára1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ọ̀bẹ iṣẹ́2
2
Push the hose onto the coupling stem
Push the hose onto the coupling stem
Slide a ferrule over the hose. By hand, push the hose end over the coupling's stem (52), past the bulbous tip (58) and the ridges (62), until it butts against the stop flange (54).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Asopọ̀ ọ̀pá-omi1 ẹyọ
Àpò-irin fún ìfún ọ̀pá-omi1 ẹyọ3
3
Crimp the ferrule in two beads
Crimp the ferrule in two beads
Crimp the ferrule into two beads. The first (68) runs from the recess behind the flange (56), over the flange, to the recess above the ridges. The second (70) ends at the bulb's widest point; the ferrule's end flares out so it cannot pierce the hose.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ ìfún ọ̀pá-omi4
4
Fit the other end
Fit the other end
Fit the hose nipple's stem into the other end of the hose the same way: a ferrule, pushed to the flange, crimped in two beads.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Níípù oníyíyí fún ọ̀pá-omi1 ẹyọÀpò-irin fún ìfún ọ̀pá-omi1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ ìfún ọ̀pá-omiÀwọn ohun-èlò
4- Àyè
- 1 ẹyọÀyè
- Àyè
- Àyè
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