|Date of birth||3 March 1908|
|Place of birth||Berchem (Belgium)|
|Date of death||12 June 1979(aged 71)|
|1926–1929||Royal Scaldis SC|
|1929–1935||R Berchem Sport|
|1941–1943||Royal Tilleur FC|
|1943–1944||KVV Overpelt Fabriek|
|* Senior club appearances and goals counted for the domestic league only|
At Berchem, he worked with coach Émile Stijnen. The club finished third in the league in 1931, then fifth the year after, but in 1933, they were relegated to the lower division.
Constant Joacim and Émile Stijnen later reunited at Olympic de Charleroi from 1935 to 1939: they took part in the promotion of the Walloon club from Promotion C (Division 4) to the Division d'Honneur (Division 1). This famous team, composed of Flemish players, was nicknamed the "Flaminpic".
- Belgian international from 1931 to 1937 (11 caps)
- First international match: 16 May 1931, Belgium-England (1-4)
- Participation in the 1934 World Cup in Italy (played in the match Belgium-Germany (2-5))
- Belgian D2 Champions in 1937 with Olympique Charleroi
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