| 摘要 |
<p>PCT No. PCT/JP86/00290 Sec. 371 Date Jan. 30, 1987 Sec. 102(e) Date Jan. 30, 1987 PCT Filed Jun. 11, 1986 PCT Pub. No. WO86/07441 PCT Pub. Date Dec. 18, 1986.An improvement applicable to a plate type heat exchanger for the purpose to make the fabrication thereof easier and to improve the strength and airtightness thereof. A heat exchanger which is provided: a body (1) of a formed plate having a cross-section of rectangular wave form, a top end cover (2) of a formed plastics, having a plurality of projections (22) arranged facing the top openings (11) of said body (1), a plurality of said projections (22) of which the numbers are odd (or even) having openings (23) thereon, and each of the adjacent ones of said plurality of projections (22) being separated by a slit (21) in which the top end of said body (1) of a formed plate is inserted, and a bottom end cover (3) of a formed plastics, having a plurality of projections (32) arranged facing the bottom openings (12) of said body (1), a plurality of said projections (32) of which the numbers are even (or odd) having openings (33) thereon, and each of the adjacent ones of said plurality of projections (32) being separated by a slit (31) in which the bottom end of said body (1) of a formed plate is inserted.</p> |
