Title (en)

IMPROVEMENTS IN MECHANICAL SEAL STRUCTURES.

Title (de)

VERBESSERUNGEN AN MECHANISCHEN ABDICHTUNGSSTRUKTUREN.

Title (fr)

AMELIORATIONS A DES STRUCTURES DE JOINTS MECANIQUES.

Publication

EP 0110960 A4 19860220 (EN)

Application

EP 83902070 A 19830523

Priority

US 38133982 A 19820524

Abstract (en)

[origin: WO8304293A1] Mechanical seals are improved in wear properties, erosion, corrosion and galling resistance by forming a diffusion coating in the seal structure surface comprising an intermetallic compound of the seal structure iron, nickel or cobalt base metal and one or more of aluminum, boron, silicon and carbon.

IPC 1-7

F16J 15/06; C23C 9/02

IPC 8 full level

F16J 15/34 (2006.01)

CPC (source: EP)

F16J 15/3496 (2013.01)

Citation (search report)

• [X] DE 2205109 A1 19730816 - RILCO MASCHF
• [X] DE 2305141 A1 19740815 - WAHL VERSCHLEISS TECH
• [X] FR 2518209 A1 19830617 - AE PLC [GB]
• [X] GB 952207 A 19640311 - SEDIS TRANSMISSIONS MEC
• [X] DE 2844170 A1 19800417 - SCHEIBE WOLFGANG
• [X] FR 925433 A 19470903
• [X] CHEMICAL ABSTRACTS, vol. 89, 1978, page 242, abstract, no. 10109u, Columbus, Ohio, US; & JP - A - 52 111 891 (HONDA MOTOR CO., LTD.) 19-09-1977
• [E] PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 187 (M-236)[1332], 16th August 1983; & JP - A - 58 088 267 (SANSUTAA KINZOKU K.k.) 26-05-1983

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

WO 8304293 A1 19831208; EP 0110960 A1 19840620; EP 0110960 A4 19860220

DOCDB simple family (application)

US 8300792 W 19830523; EP 83902070 A 19830523