自50年(nian)代塑料(liao)薄膜勝利地應(ying)用于(yu)(yu)商品包(bao)(bao)(bao)裝(zhuang)以來，真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)技術(shu)得到(dao)迅速的(de)(de)發展(zhan)。60、70年(nian)代真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)主要用于(yu)(yu)肉類(lei)食品。德國是世(shi)界上包(bao)(bao)(bao)裝(zhuang)工(gong)業最發達的(de)(de)國家之一，其真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)機及真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)技術(shu)享有(you)盛名。克萊默(mo)爾(er)·格(ge)雷伯(bo)機械制造(zao)公司1965年(nian)開始生產(chan)熱(re)成型真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)機，對(dui)肉類(lei)的(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)進(jin)行了(le)大量的(de)(de)研究，取(qu)得了(le)許多效果(guo)，如對(dui)烤肉的(de)(de)包(bao)(bao)(bao)裝(zhuang)，抽(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)后(hou)加適量的(de)(de)氧氣；對(dui)含有(you)40％脂肪的(de)(de)香腸(chang)，抽(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)后(hou)加適量的(de)(de)二(er)氧化碳(tan)；對(dui)面(mian)包(bao)(bao)(bao)、花生抽(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)后(hou)充氮氣和適量的(de)(de)二(er)氧化碳(tan)等等達到(dao)預定真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)度后(hou)，真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)將(jiang)食品裝(zhuang)入包(bao)(bao)(bao)裝(zhuang)袋(dai)抽(chou)出包(bao)(bao)(bao)裝(zhuang)袋(dai)內的(de)(de)空(kong)(kong)(kong)(kong)(kong)氣。完成封口工(gong)序。