A burial vault comprising:
- (a) a composite base including
- (1) a generally flat and rectangular-shaped supporting platform having
- a. an upper surface;
- and including
- 1. a main body portion having
- (a) a generally horizontally extending marginal or peripheral flange extending outwardly therearound and having
- (b) a downwardly and generally vertically extending marginal or peripheral flange surrounding the said main body portion of the said generally flat and rectangular-shaped supporting platform
- (2) an inner upright wall structure having a generally rectangular-shaped frame resting on the said upper surface of the said generally horizontally extending marginal or peripheral flange portion of the said main body portion of the said supporting platform;
- and including
- a. generally vertically extending side walls;
- and
- b. generally vertically extending end walls;
- c. the said generally vertically extending side walls and end walls of the said inner upright wall structure having lower marginal or peripheral edge portions;
- and the said inner upright wall structure having
- d. an open upper end or top;
- and
- e. an open lower end;
- and including
- f. a generally horizontally extending marginal or peripheral flange portion extending around and laterally outwardly from the said lower marginal or peripheral edge portions of the side walls and end walls of the said inner upright wall structure;
- (3) a generally flat and rectangular-shaped closure plate member arranged over and closing the said open upper end or top of the said generally rectangular-shaped frame of the said inner upright wall structure;
- (b) a dome-shaped outer cover member arranged over and enclosing the said inner upright wall structure and the said supporting platform;
- and including
- (1) generally vertically extending side walls and end walls and the said side walls and end walls of the said dome-shaped outer cover member having
- a. lower and downwardly extending marginal or peripheral edge portions extending below and outwardly of the said main body portion of the said generally flat and rectangular-shaped supporting platform and outwardly of the said generally horizontally extending marginal or peripheral flange portion of the said inner upright wall structure and outwardly of the said downwardly and generally vertically extending marginal or peripheral flange of the said main body portion of the said generally flat and rectangular-shaped supporting platform;
- (2) a closed top wall;
- and having
- (3) an open bottom;
- (c) first sealing means for hermetically sealing the said generally rectangular-shaped frame of the said inner upright wall structure to the said generally flat and rectangular-shaped supporting platform;
- (d) first fastening means for mechanically fastening the said generally horizontally extending marginal or peripheral flange portion of the said generally rectangular-shaped frame of the said inner upright wall structure to the said generally horizontally extending marginal or peripheral flange of the said generally flat and rectangular-shaped supporting platform;
- (e) second sealing means for hermetically sealing the said dome-shaped outer cover member to the said generally flat and rectangular-shaped supporting platform;
- (f) second fastening means for mechanically fastening the said lower and downwardly extending marginal or peripheral edge portions of the dome-shaped outer cover member to the said downwardly and generally vertically extending marginal or peripheral flange of the said main body of the said generally flat and rectangular-shaped supporting platform;
- the said generally rectangular-shaped frame of the said inner upright wall structure having
- (g) marginal or peripheral upper edge portions;
- the said closure plate member including
- (h) marginal or peripheral outer edge portions having formed thereon
- (1) an inverted and generally U-shaped marginal or peripheral flange having formed therein
- (2) a marginal or peripheral downwardly facing groove;
- and
- (i) the said marginal or peripheral upper edge portions of the said generally rectangular-shaped frame of the said inner upright wall structure extending into the said downwardly facing marginal or peripheral
- groove in the said inverted and generally U-shaped marginal or peripheral flange on the said closure plate member.